diff --git a/src/main.rs b/src/main.rs
index ed6770a..cbe6b13 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -172,7 +172,7 @@ macro_rules! include_file {
     ( $s:expr ) => {
         {
             let file = include_flate_codegen::deflate_file!($s);
-            let ret = crate::decode(file);
+            let ret = $crate::decode(file);
             std::string::String::from_utf8(ret).unwrap()
         }
     };
diff --git a/src/router/card.rs b/src/router/card.rs
index c3ad7c3..58a099e 100644
--- a/src/router/card.rs
+++ b/src/router/card.rs
@@ -6,7 +6,7 @@ use crate::encryption;
 
 fn do_reinforce(user: &mut JsonValue, body: &JsonValue, exp_id: &str, money_multiplier: i64, evolve: bool) -> JsonValue {
     for (i, data) in user["card_list"].members().enumerate() {
-        if data["id"].to_string() == body["id"].to_string() {
+        if data["id"] == body["id"] {
             let materials = &body["material_item_list"];
             let mut card = data.clone();
             let mut money: i64 = 0;
@@ -32,7 +32,7 @@ fn do_reinforce(user: &mut JsonValue, body: &JsonValue, exp_id: &str, money_mult
             return card;
         }
     }
-    return object!{};
+    object!{}
 }
 
 pub fn reinforce(req: HttpRequest, body: String) -> HttpResponse {
diff --git a/src/router/clear_rate.rs b/src/router/clear_rate.rs
index 0cdcbb6..433a7c6 100644
--- a/src/router/clear_rate.rs
+++ b/src/router/clear_rate.rs
@@ -143,7 +143,7 @@ fn get_json() -> JsonValue {
     let mut ids = array![];
     for (_i, id) in lives.members().enumerate() {
         let info = DATABASE.get_live_data(id.as_i64().unwrap());
-        if !info.is_ok() {
+        if info.is_err() {
             continue;
         }
         let info = info.unwrap();
diff --git a/src/router/friend.rs b/src/router/friend.rs
index 9d9c498..7c0e8ea 100644
--- a/src/router/friend.rs
+++ b/src/router/friend.rs
@@ -55,15 +55,15 @@ pub fn recommend(req: HttpRequest, body: String) -> HttpResponse {
     let friends = userdata::get_acc_friends(&key);
     
     let mut random = userdata::get_random_uids(20);
-    let index = random.members().into_iter().position(|r| *r.to_string() == user_id.to_string());
-    if !index.is_none() {
+    let index = random.members().position(|r| *r.to_string() == user_id.to_string());
+    if index.is_some() {
         random.array_remove(index.unwrap());
     }
     
     let mut rv = array![];
     for (_i, uid) in random.members().enumerate() {
         let user = global::get_user(uid.as_i64().unwrap(), &friends, false);
-        if user["user"]["friend_request_disabled"].to_string() == "1" || user.is_empty() {
+        if user["user"]["friend_request_disabled"] == "1" || user.is_empty() {
             continue;
         }
         rv.push(user).unwrap();
@@ -125,14 +125,14 @@ pub fn approve(req: HttpRequest, body: String) -> HttpResponse {
     let mut friends = userdata::get_acc_friends(&key);
     
     let uid = body["user_id"].as_i64().unwrap();
-    let index = friends["pending_user_id_list"].members().into_iter().position(|r| *r.to_string() == uid.to_string());
-    if !index.is_none() {
+    let index = friends["pending_user_id_list"].members().position(|r| *r.to_string() == uid.to_string());
+    if index.is_some() {
         friends["pending_user_id_list"].array_remove(index.unwrap());
-        if body["approve"].to_string() == "1" && ! friends["friend_user_id_list"].contains(uid) && friends["friend_user_id_list"].len() < FRIEND_LIMIT {
+        if body["approve"] == "1" && ! friends["friend_user_id_list"].contains(uid) && friends["friend_user_id_list"].len() < FRIEND_LIMIT {
             friends["friend_user_id_list"].push(uid).unwrap();
         }
         
-        userdata::friend_request_approve(uid, user_id, body["approve"].to_string() == "1", "request_user_id_list");
+        userdata::friend_request_approve(uid, user_id, body["approve"] == "1", "request_user_id_list");
         userdata::save_acc_friends(&key, friends);
     }
     
@@ -151,8 +151,8 @@ pub fn cancel(req: HttpRequest, body: String) -> HttpResponse {
     let mut friends = userdata::get_acc_friends(&key);
     
     let uid = body["user_id"].as_i64().unwrap();
-    let index = friends["request_user_id_list"].members().into_iter().position(|r| *r.to_string() == uid.to_string());
-    if !index.is_none() {
+    let index = friends["request_user_id_list"].members().position(|r| *r.to_string() == uid.to_string());
+    if index.is_some() {
         friends["request_user_id_list"].array_remove(index.unwrap());
     }
     userdata::friend_request_approve(uid, user_id, false, "pending_user_id_list");
@@ -173,8 +173,8 @@ pub fn delete(req: HttpRequest, body: String) -> HttpResponse {
     let mut friends = userdata::get_acc_friends(&key);
     
     let uid = body["user_id"].as_i64().unwrap();
-    let index = friends["friend_user_id_list"].members().into_iter().position(|r| *r.to_string() == uid.to_string());
-    if !index.is_none() {
+    let index = friends["friend_user_id_list"].members().position(|r| *r.to_string() == uid.to_string());
+    if index.is_some() {
         friends["friend_user_id_list"].array_remove(index.unwrap());
     }
     userdata::friend_remove(uid, user_id);
diff --git a/src/router/global.rs b/src/router/global.rs
index d6346df..2de73cb 100644
--- a/src/router/global.rs
+++ b/src/router/global.rs
@@ -43,31 +43,31 @@ pub fn get_login(headers: &HeaderMap, body: &str) -> String {
     let blank_header = HeaderValue::from_static("");
     
     let login = headers.get("a6573cbe").unwrap_or(&blank_header).to_str().unwrap_or("");
-    let decoded = general_purpose::STANDARD.decode(login).unwrap_or(vec![]);
-    match get_uuid(&String::from_utf8_lossy(&decoded).to_string()) {
+    let decoded = general_purpose::STANDARD.decode(login).unwrap_or_default();
+    match get_uuid(String::from_utf8_lossy(&decoded).as_ref()) {
         Some(token) => {
-            return token;
+            token
         },
         None => {
             let rv = gree::get_uuid(headers, body);
             assert!(rv != String::new());
-            return rv;
+            rv
         },
-    };
+    }
 }
 
 pub fn timestamp() -> u64 {
     let now = SystemTime::now();
 
     let unix_timestamp = now.duration_since(UNIX_EPOCH).unwrap();
-    return unix_timestamp.as_secs();
+    unix_timestamp.as_secs()
 }
 
 pub fn timestamp_msec() -> u32 {
     let now = SystemTime::now();
 
     let unix_timestamp = now.duration_since(UNIX_EPOCH).unwrap();
-    return unix_timestamp.subsec_nanos();
+    unix_timestamp.subsec_nanos()
 }
 
 pub fn timestamp_since_midnight() -> u64 {
@@ -76,8 +76,8 @@ pub fn timestamp_since_midnight() -> u64 {
 
     let midnight = unix_timestamp.as_secs() % (24 * 60 * 60);
 
-    let rv = unix_timestamp.as_secs() - midnight;
-    rv
+    
+    unix_timestamp.as_secs() - midnight
 }
 
 fn init_time(server_data: &mut JsonValue, token: &str) {
@@ -91,7 +91,7 @@ fn init_time(server_data: &mut JsonValue, token: &str) {
         edited = true;
     }
     if edited {
-        userdata::save_server_data(&token, server_data.clone());
+        userdata::save_server_data(token, server_data.clone());
     }
 }
 
@@ -156,7 +156,7 @@ pub fn get_card(id: i64, user: &JsonValue) -> JsonValue {
             return data.clone();
         }
     }
-    return object!{};
+    object!{}
 }
 
 fn get_cards(arr: JsonValue, user: &JsonValue) -> JsonValue {
@@ -168,13 +168,13 @@ fn get_cards(arr: JsonValue, user: &JsonValue) -> JsonValue {
         }
         rv.push(to_push).unwrap();
     }
-    return rv;
+    rv
 }
 
 fn get_clear_count(user: &JsonValue, level: i32) -> i64 {
     let mut rv = 0;
     for (_i, current) in user["live_list"].members().enumerate() {
-        if current["level"].to_string() == level.to_string() {
+        if current["level"] == level {
             rv += 1;
         }
     }
diff --git a/src/router/gree.rs b/src/router/gree.rs
index 32a15d1..8e0f73a 100644
--- a/src/router/gree.rs
+++ b/src/router/gree.rs
@@ -33,7 +33,7 @@ fn setup_tables(conn: &SQLite) {
 }
 
 fn update_cert(uid: i64, cert: &str) {
-    if !DATABASE.lock_and_select("SELECT cert FROM users WHERE user_id=?1;", params!(uid)).is_ok() {
+    if DATABASE.lock_and_select("SELECT cert FROM users WHERE user_id=?1;", params!(uid)).is_err() {
         let token = userdata::get_login_token(uid);
         if token != String::new() {
             DATABASE.lock_and_exec(
@@ -69,19 +69,16 @@ fn verify_signature(signature: &[u8], message: &[u8], public_key: &[u8]) -> bool
     let mut verifier = Verifier::new(MessageDigest::sha1(), &pkey).unwrap();
     verifier.update(message).unwrap();
 
-    match verifier.verify(signature) {
-        Ok(_) => true,
-        Err(_) => false,
-    }
+    verifier.verify(signature).is_ok()
 }
 pub fn get_uuid(headers: &HeaderMap, body: &str) -> String {
-    let body = encryption::decrypt_packet(&body).unwrap();
+    let body = encryption::decrypt_packet(body).unwrap();
     let blank_header = HeaderValue::from_static("");
     let login = headers.get("a6573cbe").unwrap_or(&blank_header).to_str().unwrap_or("");
     let uid = headers.get("aoharu-user-id").unwrap_or(&blank_header).to_str().unwrap_or("");
     let version = headers.get("aoharu-client-version").unwrap_or(&blank_header).to_str().unwrap_or("");
     let timestamp = headers.get("aoharu-timestamp").unwrap_or(&blank_header).to_str().unwrap_or("");
-    if uid == "" || login == "" || version == "" || timestamp == "" {
+    if uid.is_empty() || login.is_empty() || version.is_empty() || timestamp.is_empty() {
         return String::new();
     }
     
@@ -90,12 +87,12 @@ pub fn get_uuid(headers: &HeaderMap, body: &str) -> String {
     let data = format!("{}{}{}{}{}", uid, "sk1bdzb310n0s9tl", version, timestamp, body);
     let encoded = general_purpose::STANDARD.encode(data.as_bytes());
     
-    let decoded = general_purpose::STANDARD.decode(login).unwrap_or(vec![]);
+    let decoded = general_purpose::STANDARD.decode(login).unwrap_or_default();
     
-    if verify_signature(&decoded, &encoded.as_bytes(), &cert.as_bytes()) {
-        return DATABASE.lock_and_select("SELECT uuid FROM users WHERE user_id=?1;", params!(uid)).unwrap();
+    if verify_signature(&decoded, encoded.as_bytes(), cert.as_bytes()) {
+        DATABASE.lock_and_select("SELECT uuid FROM users WHERE user_id=?1;", params!(uid)).unwrap()
     } else {
-        return String::new();
+        String::new()
     }
 }
 
@@ -114,7 +111,7 @@ fn rot13(input: &str) -> String {
 fn decrypt_transfer_password(password: &str) -> String {
     let reversed = password.chars().rev().collect::<String>();
     let rot = rot13(&reversed);
-    let decoded = general_purpose::STANDARD.decode(rot).unwrap_or(vec![]);
+    let decoded = general_purpose::STANDARD.decode(rot).unwrap_or_default();
     
     String::from_utf8_lossy(&decoded).to_string()
 }
@@ -178,7 +175,7 @@ pub fn uid(req: HttpRequest) -> HttpResponse {
     let uid_data: Vec<&str> = auth_header.split(",xoauth_requestor_id=\"").collect();
     if let Some(uid_data2) = uid_data.get(1) {
         let uid_data2: Vec<&str> = uid_data2.split('"').collect();
-        if let Some(uid_str) = uid_data2.get(0) {
+        if let Some(uid_str) = uid_data2.first() {
             uid = uid_str.to_string();
         }
     }
@@ -223,7 +220,7 @@ pub fn migration_verify(req: HttpRequest, body: String) -> HttpResponse {
     let user = userdata::get_acc_transfer(uid, &body["migration_code"].to_string(), &password);
     
     let resp;
-    if user["success"].as_bool().unwrap() != true || uid == 0 {
+    if !user["success"].as_bool().unwrap() || uid == 0 {
         resp = object!{
             result: "ERR",
             messsage: "User Not Found"
@@ -269,7 +266,7 @@ pub fn balance(req: HttpRequest) -> HttpResponse {
     let uid_data: Vec<&str> = auth_header.split(",xoauth_requestor_id=\"").collect();
     if let Some(uid_data2) = uid_data.get(1) {
         let uid_data2: Vec<&str> = uid_data2.split('"').collect();
-        if let Some(uid_str) = uid_data2.get(0) {
+        if let Some(uid_str) = uid_data2.first() {
             uid = uid_str.to_string();
         }
     }
@@ -295,7 +292,7 @@ pub fn migration_code(req: HttpRequest) -> HttpResponse {
     let uid_data: Vec<&str> = auth_header.split(",xoauth_requestor_id=\"").collect();
     if let Some(uid_data2) = uid_data.get(1) {
         let uid_data2: Vec<&str> = uid_data2.split('"').collect();
-        if let Some(uid_str) = uid_data2.get(0) {
+        if let Some(uid_str) = uid_data2.first() {
             uid = uid_str.to_string();
         }
     }
@@ -318,7 +315,7 @@ pub fn migration_password_register(req: HttpRequest, body: String) -> HttpRespon
     let uid_data: Vec<&str> = auth_header.split(",xoauth_requestor_id=\"").collect();
     if let Some(uid_data2) = uid_data.get(1) {
         let uid_data2: Vec<&str> = uid_data2.split('"').collect();
-        if let Some(uid_str) = uid_data2.get(0) {
+        if let Some(uid_str) = uid_data2.first() {
             uid = uid_str.to_string();
         }
     }
@@ -337,7 +334,7 @@ pub fn migration_password_register(req: HttpRequest, body: String) -> HttpRespon
 }
 
 fn get_protocol() -> String {
-    if env::args().nth(1).unwrap_or(String::new()) == String::from("https") {
+    if env::args().nth(1).unwrap_or_default() == *"https" {
         return String::from("https");
     }
     String::from("http")
@@ -348,7 +345,7 @@ fn gree_authorize(req: &HttpRequest) -> String {
     
     let blank_header = HeaderValue::from_static("");
     let auth_header = req.headers().get("Authorization").unwrap_or(&blank_header).to_str().unwrap_or("");
-    if auth_header == "" {
+    if auth_header.is_empty() {
         return String::new();
     }
     let auth_header = auth_header.substring(6, auth_header.len());
@@ -366,7 +363,7 @@ fn gree_authorize(req: &HttpRequest) -> String {
     let hostname = req.headers().get("host").unwrap_or(&blank_header).to_str().unwrap_or("");
     let current_url = format!("{}://{}{}", get_protocol(), hostname, req.path());
     let uri = req.uri().to_string();
-    let extra = if uri.contains("?") {
+    let extra = if uri.contains('?') {
         format!("&{}", uri.split('?').nth(1).unwrap_or(""))
     } else { String::new() };
     
diff --git a/src/router/home.rs b/src/router/home.rs
index 045e8bf..517c092 100644
--- a/src/router/home.rs
+++ b/src/router/home.rs
@@ -11,7 +11,7 @@ pub fn preset(req: HttpRequest, body: String) -> HttpResponse {
     let mut user = userdata::get_acc_home(&key);
     
     for (_i, data) in user["home"]["preset_setting"].members_mut().enumerate() {
-        if data["slot"].to_string() == body["slot"].to_string() {
+        if data["slot"] == body["slot"] {
             *data = body.clone();
         }
     }
@@ -28,7 +28,7 @@ pub fn preset(req: HttpRequest, body: String) -> HttpResponse {
 fn check_gifts(user: &mut JsonValue) {
     let mut to_remove = array![];
     for (j, data) in user["home"]["gift_list"].members().enumerate() {
-        if data["is_receive"].to_string() == "1" || data["expire_date_time"].as_u64().unwrap() < global::timestamp() {
+        if data["is_receive"] == "1" || data["expire_date_time"].as_u64().unwrap() < global::timestamp() {
             to_remove.push(j).unwrap();
         }
     }
diff --git a/src/router/items.rs b/src/router/items.rs
index d38ac9e..bdba88c 100644
--- a/src/router/items.rs
+++ b/src/router/items.rs
@@ -81,19 +81,19 @@ pub fn give_gift(data: &JsonValue, user: &mut JsonValue, missions: &mut JsonValu
     if data.is_empty() {
         return false;
     }
-    if data["reward_type"].to_string() == "1" {
+    if data["reward_type"] == "1" {
         // basically primogems!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
         return !give_primogems(data["amount"].as_i64().unwrap(), user);
-    } else if data["reward_type"].to_string() == "2" {
+    } else if data["reward_type"] == "2" {
         //character
         give_character(data["value"].to_string(), user, missions, clear_missions);
         return true;
-    } else if data["reward_type"].to_string() == "3" {
+    } else if data["reward_type"] == "3" {
         return !give_item(data["value"].as_i64().unwrap(), data["amount"].as_i64().unwrap(), user);
-    } else if data["reward_type"].to_string() == "4" {
+    } else if data["reward_type"] == "4" {
         // basically moraa!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
         return !give_points(data["value"].as_i64().unwrap(), data["amount"].as_i64().unwrap(), user, missions, clear_missions);
-    } else if data["reward_type"].to_string() == "8" {
+    } else if data["reward_type"] == "8" {
         // title
         let title = data["value"].as_i64().unwrap();
         if !user["master_title_ids"].contains(title) {
@@ -101,8 +101,8 @@ pub fn give_gift(data: &JsonValue, user: &mut JsonValue, missions: &mut JsonValu
         }
         return true;
     }
-    println!("Redeeming reward not implemented for reward type {}", data["reward_type"].to_string());
-    return false;
+    println!("Redeeming reward not implemented for reward type {}", data["reward_type"]);
+    false
 }
 pub fn give_gift_basic(ty_pe: i32, id: i64, amount: i64, user: &mut JsonValue, missions: &mut JsonValue, clear_missions: &mut JsonValue) -> bool {
     give_gift(&object!{
@@ -181,7 +181,7 @@ pub fn gift_item(item: &JsonValue, reason: &str, user: &mut JsonValue) -> JsonVa
         return to_push;
     }
     user["home"]["gift_list"].push(to_push.clone()).unwrap();
-    return to_push;
+    to_push
 }
 
 fn random_number(lowest: usize, highest: usize) -> usize {
@@ -234,7 +234,7 @@ pub fn lp_modification(user: &mut JsonValue, change_amount: u64, remove: bool) {
 // false - already has
 pub fn give_character(id: String, user: &mut JsonValue, missions: &mut JsonValue, clear_missions: &mut JsonValue) -> bool {
     for (_i, data) in user["card_list"].members().enumerate() {
-        if data["master_card_id"].to_string() == id || data["id"].to_string() == id {
+        if data["master_card_id"] == id || data["id"] == id {
             give_item(19100001, 50, user);
             return false;
         }
@@ -264,14 +264,14 @@ pub fn get_user_rank_data(exp: i64) -> JsonValue {
             return databases::RANKS[i - 1].clone();
         }
     }
-    return databases::RANKS[databases::RANKS.len() - 1].clone();
+    databases::RANKS[databases::RANKS.len() - 1].clone()
 }
 
 pub fn give_exp(amount: i32, user: &mut JsonValue, mission: &mut JsonValue, rv: &mut JsonValue) {
     let current_rank = get_user_rank_data(user["user"]["exp"].as_i64().unwrap());
     user["user"]["exp"] = (user["user"]["exp"].as_i32().unwrap() + amount).into();
     let new_rank = get_user_rank_data(user["user"]["exp"].as_i64().unwrap());
-    if current_rank["rank"].to_string() != new_rank["rank"].to_string() {
+    if current_rank["rank"] != new_rank["rank"] {
         user["stamina"]["stamina"] = (user["stamina"]["stamina"].as_i64().unwrap() + new_rank["maxLp"].as_i64().unwrap()).into();
         user["stamina"]["last_updated_time"] = global::timestamp().into();
         
@@ -315,7 +315,7 @@ pub fn update_mission_status_multi(master_mission_id: JsonValue, expire: u64, co
     let mut rv = array![];
     for (_i, mission) in master_mission_id.members().enumerate() {
         let val = update_mission_status(mission.as_i64().unwrap(), expire, completed, claimed, advance, missions);
-        if !val.is_none() {
+        if val.is_some() {
             rv.push(val.unwrap()).unwrap();
         }
     }
@@ -363,13 +363,11 @@ pub fn advance_variable_mission(min: i64, max: i64, count: i64, missions: &mut J
             break;
         }
         if mission_info["conditionNumber"].as_i64().unwrap() > mission_status["progress"].as_i64().unwrap() + count {
-            if !update_mission_status(i, 0, false, false, count, missions).is_none() {
-                rv.push(i).unwrap();
-            }
-        } else {
-            if !update_mission_status(i, 0, true, false, count, missions).is_none() {
+            if update_mission_status(i, 0, false, false, count, missions).is_some() {
                 rv.push(i).unwrap();
             }
+        } else if update_mission_status(i, 0, true, false, count, missions).is_some() {
+            rv.push(i).unwrap();
         }
         break;
     }
@@ -388,7 +386,7 @@ pub fn advance_mission(id: i64, count: i64, max: i64, missions: &mut JsonValue)
     }
     let completed = new == max;
     let advanced = new - mission["progress"].as_i64().unwrap();
-    if !update_mission_status(id, 0, completed, false, advanced, missions).is_none() {
+    if update_mission_status(id, 0, completed, false, advanced, missions).is_some() {
         return Some(id);
     }
     None
@@ -412,15 +410,13 @@ pub fn completed_daily_mission(id: i64, missions: &mut JsonValue) -> JsonValue {
     }
     
     if mission["progress"].as_i32().unwrap() == 4 {
-        if !update_mission_status(1224003, 0, true, false, 1, missions).is_none() {
-            rv.push(1224003).unwrap();
-        }
-    } else {
-        if !update_mission_status(1224003, 0, false, false, 1, missions).is_none() {
+        if update_mission_status(1224003, 0, true, false, 1, missions).is_some() {
             rv.push(1224003).unwrap();
         }
+    } else if update_mission_status(1224003, 0, false, false, 1, missions).is_some() {
+        rv.push(1224003).unwrap();
     }
-    if !update_mission_status(id, next_reset, true, false, 1, missions).is_none() {
+    if update_mission_status(id, next_reset, true, false, 1, missions).is_some() {
         rv.push(id).unwrap();
     }
     rv
diff --git a/src/router/live.rs b/src/router/live.rs
index f091256..b4a8fc2 100644
--- a/src/router/live.rs
+++ b/src/router/live.rs
@@ -100,26 +100,26 @@ pub fn guest(req: HttpRequest, body: String) -> HttpResponse {
             "status":0
         }).unwrap();
     } else {
-        if friends["friend_user_id_list"].len() != 0 {
+        if !friends["friend_user_id_list"].is_empty() {
             guest_list.push(global::get_user(friends["friend_user_id_list"][random_number(0, friends["friend_user_id_list"].len() - 1)].as_i64().unwrap(), &friends, false)).unwrap();
         }
         let expected: usize = 5;
         if guest_list.len() < expected {
             let mut random = userdata::get_random_uids((expected-guest_list.len()) as i32);
-            let index = random.members().into_iter().position(|r| *r.to_string() == user_id.to_string());
-            if !index.is_none() {
+            let index = random.members().position(|r| *r.to_string() == user_id.to_string());
+            if index.is_some() {
                 random.array_remove(index.unwrap());
             }
             
             for (_i, uid) in random.members().enumerate() {
                 let guest = global::get_user(uid.as_i64().unwrap(), &friends, false);
-                if guest["user"]["friend_request_disabled"].to_string() == "1" || guest.is_empty() {
+                if guest["user"]["friend_request_disabled"] == "1" || guest.is_empty() {
                     continue;
                 }
                 guest_list.push(guest).unwrap();
             }
         }
-        if guest_list.len() == 0 {
+        if guest_list.is_empty() {
             guest_list.push(object!{
                 "user": {
                     "name": "A sad Guest",
@@ -244,7 +244,7 @@ pub fn update_live_data(user: &mut JsonValue, data: &JsonValue, add: bool) -> Js
     
     let mut has = false;
     for (_i, current) in user["live_list"].members_mut().enumerate() {
-        if current["master_live_id"].to_string() == rv["master_live_id"].to_string() && (current["level"].to_string() == rv["level"].to_string() || data["level"].as_i32().unwrap() == 0) {
+        if current["master_live_id"] == rv["master_live_id"] && (current["level"] == rv["level"] || data["level"].as_i32().unwrap() == 0) {
             has = true;
             if add {
                 rv["clear_count"] = (current["clear_count"].as_i64().unwrap() + 1).into();
@@ -285,7 +285,7 @@ pub fn update_live_mission_data(user: &mut JsonValue, data: &JsonValue) {
     };
     
     for (_i, current) in user["live_mission_list"].members_mut().enumerate() {
-        if current["master_live_id"].to_string() == rv["master_live_id"].to_string() {
+        if current["master_live_id"] == rv["master_live_id"] {
             for (_i, id) in data["clear_master_live_mission_ids"].members().enumerate() {
                 if !current["clear_master_live_mission_ids"].contains(id.as_i32().unwrap()) {
                     current["clear_master_live_mission_ids"].push(id.as_i32().unwrap()).unwrap();
@@ -305,7 +305,7 @@ fn get_live_mission_completed_ids(user: &JsonValue, live_id: i64, score: i64, co
     for (_i, data) in databases::MISSION_DATA.members().enumerate() {
         match data["type"].as_i32()? {
             1 => {
-                if live_info[&format!("score{}", data["value"].to_string())].as_i64()? <= score {
+                if live_info[&format!("score{}", data["value"])].as_i64()? <= score {
                     out.push(data["id"].as_i32()?).ok()?;
                 }
             },
@@ -334,7 +334,7 @@ fn get_live_mission_completed_ids(user: &JsonValue, live_id: i64, score: i64, co
     }
     let mut rv = array![];
     for (_i, current) in user["live_mission_list"].members().enumerate() {
-        if current["master_live_id"].to_string() == live_id.to_string() {
+        if current["master_live_id"] == live_id {
             for (_i, id) in out.members().enumerate() {
                 if !current["clear_master_live_mission_ids"].contains(id.as_i32().unwrap()) {
                     rv.push(id.as_i32().unwrap()).unwrap();
@@ -372,11 +372,11 @@ fn give_mission_rewards(user: &mut JsonValue, missions: &JsonValue, user_mission
 fn get_master_id(id: i64) -> i64 {
     let id = id.to_string();
     let mut masterid = 0;
-    if id.starts_with("2") {
+    if id.starts_with('2') {
         masterid += 9;
-    } else if id.starts_with("3") {
+    } else if id.starts_with('3') {
         masterid += 9 + 9;
-    } else if id.starts_with("4") {
+    } else if id.starts_with('4') {
         masterid += 9 + 9 + 12;
     }
     masterid + id.char_indices().last().unwrap().1.to_string().parse::<i64>().unwrap()
@@ -415,15 +415,15 @@ fn get_live_character_list(lp_used: i32, deck_id: i32, user: &JsonValue, mission
             }
         }
         
-        let mut index = characters_in_deck.members().into_iter().position(|r| r.as_i64().unwrap() == data["id"].as_i64().unwrap());
+        let mut index = characters_in_deck.members().position(|r| r.as_i64().unwrap() == data["id"].as_i64().unwrap());
         if index.is_none() {
-            index = characters_in_deck.members().into_iter().position(|r| r.as_i64().unwrap() == data["master_card_id"].as_i64().unwrap());
+            index = characters_in_deck.members().position(|r| r.as_i64().unwrap() == data["master_card_id"].as_i64().unwrap());
         }
         let exp = BOND_WEIGHT[index.unwrap_or(10)].as_i32().unwrap_or(0) * (lp_used / 10);
         let additional_exp;
         if has.contains(character) {
             additional_exp = 0;
-            let j = has.members().into_iter().position(|r| r.as_i64().unwrap() == character).unwrap_or(10);
+            let j = has.members().position(|r| r.as_i64().unwrap() == character).unwrap_or(10);
             if j != 10 {
                 let start = rv[has_i[j].as_usize().unwrap()]["before_exp"].as_i64().unwrap();
                 let mut bond = start + exp as i64;
@@ -431,7 +431,7 @@ fn get_live_character_list(lp_used: i32, deck_id: i32, user: &JsonValue, mission
                 if bond > rv[has_i[j].as_usize().unwrap()]["exp"].as_i64().unwrap() {
                     let completed = bond >= limit;
                     let mission = items::update_mission_status(mission_id, 0, completed, false, bond - start, missions);
-                    if !mission.is_none() {
+                    if mission.is_some() {
                         completed_missions.push(mission.unwrap()).unwrap();
                     }
                     rv[has_i[j].as_usize().unwrap()]["exp"] = bond.into();
@@ -452,7 +452,7 @@ fn get_live_character_list(lp_used: i32, deck_id: i32, user: &JsonValue, mission
         if !full && additional_exp > 0 {
             let completed = bond >= limit;
             let mission = items::update_mission_status(mission_id, 0, completed, false, bond - start, missions);
-            if !mission.is_none() {
+            if mission.is_some() {
                 completed_missions.push(mission.unwrap()).unwrap();
             }
         }
@@ -493,7 +493,7 @@ fn live_end(req: &HttpRequest, body: &String, skipped: bool) -> JsonValue {
     let mut cleared_missions = items::advance_variable_mission(1105001, 1105017, 1, &mut user_missions);
     if body["master_live_id"].to_string().len() > 1 {
         let id = body["master_live_id"].to_string().split("").collect::<Vec<_>>()[2].parse::<i64>().unwrap_or(0);
-        if id <= 4 && id >= 1 {
+        if (1..=4).contains(&id) {
             let to_push = items::completed_daily_mission(1273009 + id - 1, &mut user_missions);
             for (_i, data) in to_push.members().enumerate() {
                 cleared_missions.push(data.as_i32().unwrap()).unwrap();
@@ -512,34 +512,30 @@ fn live_end(req: &HttpRequest, body: &String, skipped: bool) -> JsonValue {
         missions = get_live_mission_completed_ids(&user, body["master_live_id"].as_i64().unwrap(), body["live_score"]["score"].as_i64().unwrap(), body["live_score"]["max_combo"].as_i64().unwrap(), live["clear_count"].as_i64().unwrap_or(0), body["level"].as_i64().unwrap(), is_full_combo, is_perfect).unwrap_or(array![]);
     
         if is_full_combo {
-            if !items::advance_mission(1176001, 1, 1, &mut user_missions).is_none() {
+            if items::advance_mission(1176001, 1, 1, &mut user_missions).is_some() {
                 cleared_missions.push(1176001).unwrap();
             }
-            if !items::advance_mission(1176002, 1, 100, &mut user_missions).is_none() {
+            if items::advance_mission(1176002, 1, 100, &mut user_missions).is_some() {
                 cleared_missions.push(1176002).unwrap();
             }
-            if !items::advance_mission(1176003, 1, 200, &mut user_missions).is_none() {
+            if items::advance_mission(1176003, 1, 200, &mut user_missions).is_some() {
                 cleared_missions.push(1176003).unwrap();
             }
-            if !items::advance_mission(1176004, 1, 300, &mut user_missions).is_none() {
+            if items::advance_mission(1176004, 1, 300, &mut user_missions).is_some() {
                 cleared_missions.push(1176004).unwrap();
             }
-            if !items::advance_mission(1176005, 1, 400, &mut user_missions).is_none() {
+            if items::advance_mission(1176005, 1, 400, &mut user_missions).is_some() {
                 cleared_missions.push(1176005).unwrap();
             }
-            if !items::advance_mission(1176006, 1, 500, &mut user_missions).is_none() {
+            if items::advance_mission(1176006, 1, 500, &mut user_missions).is_some() {
                 cleared_missions.push(1176006).unwrap();
             }
         }
-        if is_perfect {
-            if !items::advance_mission(1177001, 1, 1, &mut user_missions).is_none() {
-                cleared_missions.push(1177001).unwrap();
-            }
+        if is_perfect && items::advance_mission(1177001, 1, 1, &mut user_missions).is_some() {
+            cleared_missions.push(1177001).unwrap();
         }
-        if is_perfect && body["level"].as_i32().unwrap() == 4 {
-            if !items::advance_mission(1177002, 1, 1, &mut user_missions).is_none() {
-                cleared_missions.push(1177002).unwrap();
-            }
+        if is_perfect && body["level"].as_i32().unwrap() == 4 && items::advance_mission(1177002, 1, 1, &mut user_missions).is_some() {
+            cleared_missions.push(1177002).unwrap();
         }
     }
     
diff --git a/src/router/lottery.rs b/src/router/lottery.rs
index dbe2afc..6308a46 100644
--- a/src/router/lottery.rs
+++ b/src/router/lottery.rs
@@ -11,11 +11,11 @@ pub fn tutorial(req: HttpRequest, body: String) -> HttpResponse {
     let id = body["master_character_id"].to_string();
     let user = &id[id.len() - 2..].parse::<i32>().unwrap();
     let mut lotteryid = 9110000;
-    if id.starts_with("2") {
+    if id.starts_with('2') {
         lotteryid += 9; //muse
-    } else if id.starts_with("3") {
+    } else if id.starts_with('3') {
         lotteryid += 9 + 9; //aquors
-    } else if id.starts_with("4") {
+    } else if id.starts_with('4') {
         lotteryid += 9 + 9 + 12; //nijigasaki
     }
     lotteryid += user;
@@ -52,7 +52,7 @@ fn get_random_card(item: &JsonValue, rv: &mut JsonValue, rng: &mut rand::rngs::T
     let mut random_id = 0;
     while random_id == 0 {
         let card = rng.gen_range(1..databases::POOL[lottery_id.to_string()][databases::POOL[lottery_id.to_string()].len() - 1].as_i64().unwrap() + 1);
-        if !get_card_master_id(lottery_id.to_string(), card.to_string()).is_none() {
+        if get_card_master_id(lottery_id.to_string(), card.to_string()).is_some() {
             random_id = card;
             break;
         }
@@ -67,7 +67,7 @@ fn get_random_card(item: &JsonValue, rv: &mut JsonValue, rng: &mut rand::rngs::T
 }
 
 fn get_random_cards(id: i64, mut count: usize) -> JsonValue {
-    let total_ratio: i64 = databases::RARITY[id.to_string()].members().into_iter().map(|item| if item["ensured"].as_i32().unwrap() == 1 { 0 } else { item["ratio"].as_i64().unwrap() }).sum();
+    let total_ratio: i64 = databases::RARITY[id.to_string()].members().map(|item| if item["ensured"].as_i32().unwrap() == 1 { 0 } else { item["ratio"].as_i64().unwrap() }).sum();
     let mut rng = rand::thread_rng();
     let mut rv = array![];
     let mut promised = false;
@@ -75,7 +75,7 @@ fn get_random_cards(id: i64, mut count: usize) -> JsonValue {
     if count > 1 {
         for (_i, item) in databases::RARITY[id.to_string()].members().enumerate() {
             if item["ensured"].as_i32().unwrap() == 1 {
-                get_random_card(&item, &mut rv, &mut rng);
+                get_random_card(item, &mut rv, &mut rng);
                 promised = true;
                 break;
             }
@@ -90,7 +90,7 @@ fn get_random_cards(id: i64, mut count: usize) -> JsonValue {
         for (_i, item) in databases::RARITY[id.to_string()].members().enumerate() {
             cumulative_ratio += item["ratio"].as_i64().unwrap();
             if random_number <= cumulative_ratio {
-                get_random_card(&item, &mut rv, &mut rng);
+                get_random_card(item, &mut rv, &mut rng);
                 break;
             }
         }
diff --git a/src/router/serial_code.rs b/src/router/serial_code.rs
index 241b61b..9f2135b 100644
--- a/src/router/serial_code.rs
+++ b/src/router/serial_code.rs
@@ -21,17 +21,17 @@ pub fn serial_code(req: HttpRequest, body: String) -> HttpResponse {
     let mut user = userdata::get_acc_home(&key);
     
     let itemz;
-    if body["input_code"].to_string() == "SIF2REVIVALREAL!" {
+    if body["input_code"] == "SIF2REVIVALREAL!" {
         itemz = array![items::gift_item_basic(1, 100000, 4, "Another game died... This makes me sad :(", &mut user)];
-    } else if body["input_code"].to_string() == "pweasegivegems11" {
+    } else if body["input_code"] == "pweasegivegems11" {
         itemz = array![items::gift_item_basic(1, 6000, 1, "Only because you asked...", &mut user)];
-    } else if body["input_code"].to_string() == "sleepysleepyslep" {
+    } else if body["input_code"] == "sleepysleepyslep" {
         itemz = array![items::gift_item_basic(15540001, 50, 3, "I am tired", &mut user)];
-    } else if body["input_code"].to_string() == "ilikeganyu!!!!!!" {
+    } else if body["input_code"] == "ilikeganyu!!!!!!" {
         itemz = array![items::gift_item_basic(16005003, 100, 3, "I need more primogems", &mut user)];
-    } else if body["input_code"].to_string() == "serial_code" {
+    } else if body["input_code"] == "serial_code" {
         itemz = array![items::gift_item_basic(17001003, 100, 3, "nyaa~", &mut user)];
-    } else if body["input_code"].to_string() == "ganuy" {
+    } else if body["input_code"] == "ganuy" {
         itemz = array![
             items::gift_item_basic(40010015, 1, 2, "I need more primogem!!!!!!", &mut user),
             items::gift_item_basic(30010015, 1, 2, "I need more primogem!!!!!!", &mut user),
@@ -42,7 +42,7 @@ pub fn serial_code(req: HttpRequest, body: String) -> HttpResponse {
             items::gift_item_basic(40030013, 1, 2, "I need more primogem!!!!!!", &mut user),
             items::gift_item_basic(10070016, 1, 2, "I need more primogem!!!!!!", &mut user)
         ];
-    } else if body["input_code"].to_string() == "kode" {
+    } else if body["input_code"] == "kode" {
         itemz = array![
             items::gift_item_basic(10060018, 1, 2, "meow", &mut user),
             items::gift_item_basic(20050019, 1, 2, "meow", &mut user),
@@ -50,7 +50,7 @@ pub fn serial_code(req: HttpRequest, body: String) -> HttpResponse {
             items::gift_item_basic(10010014, 1, 2, "meow", &mut user),
             items::gift_item_basic(10010015, 1, 2, "meow", &mut user)
         ];
-    } else if body["input_code"].to_string() == "meow" {
+    } else if body["input_code"] == "meow" {
         itemz = array![
             items::gift_item_basic(10010020, 1, 2, "I need more primogem!!!!!!", &mut user),
             items::gift_item_basic(10040016, 1, 2, "I need more primogem!!!!!!", &mut user),
@@ -74,7 +74,7 @@ pub fn serial_code(req: HttpRequest, body: String) -> HttpResponse {
             items::gift_item_basic(40080011, 1, 2, "I need more primogem!!!!!!", &mut user),
             items::gift_item_basic(40090011, 1, 2, "I need more primogem!!!!!!", &mut user)
         ];
-    } else if body["input_code"].to_string() == "HuTao" {
+    } else if body["input_code"] == "HuTao" {
         itemz = array![
             items::gift_item_basic(15500001, 500, 3, "Okay...............", &mut user),
             items::gift_item_basic(15500002, 500, 3, "Okay...............", &mut user),
diff --git a/src/router/start.rs b/src/router/start.rs
index 01c0aeb..c892f97 100644
--- a/src/router/start.rs
+++ b/src/router/start.rs
@@ -5,7 +5,7 @@ use crate::encryption;
 use crate::router::{userdata, global};
 
 fn get_asset_hash(req: &HttpRequest, body: &JsonValue) -> String {
-    if body["asset_version"].to_string() != global::ASSET_VERSION && body["asset_version"].to_string() != global::ASSET_VERSION_JP {
+    if body["asset_version"] != global::ASSET_VERSION && body["asset_version"] != global::ASSET_VERSION_JP {
         println!("Warning! Asset version is not what was expected. (Did the app update?)");
     }
     
@@ -13,20 +13,18 @@ fn get_asset_hash(req: &HttpRequest, body: &JsonValue) -> String {
     let platform = req.headers().get("aoharu-platform").unwrap_or(&blank_header).to_str().unwrap_or("");
     let android = !platform.to_lowercase().contains("iphone");
     
-    let hash = if body["asset_version"].to_string() == global::ASSET_VERSION_JP {
+    let hash = if body["asset_version"] == global::ASSET_VERSION_JP {
         if android {
             global::ASSET_HASH_ANDROID_JP
         } else {
             global::ASSET_HASH_IOS_JP
         }
+    } else if android {
+        global::ASSET_HASH_ANDROID
     } else {
-        if android {
-            global::ASSET_HASH_ANDROID
-        } else {
-            global::ASSET_HASH_IOS
-        }
+        global::ASSET_HASH_IOS
     };
-    return hash.to_string();
+    hash.to_string()
 }
 
 pub fn asset_hash(req: HttpRequest, body: String) -> HttpResponse {
diff --git a/src/router/user.rs b/src/router/user.rs
index 0a84d8f..46f7113 100644
--- a/src/router/user.rs
+++ b/src/router/user.rs
@@ -72,10 +72,10 @@ pub fn gift(req: HttpRequest, body: String) -> HttpResponse {
     for (_i, gift_id) in body["gift_ids"].members().enumerate() {
         let mut to_remove = 0;
         for (j, data) in user["home"]["gift_list"].members_mut().enumerate() {
-            if data["id"].to_string() != gift_id.to_string() {
+            if data["id"] != *gift_id {
                 continue;
             }
-            if !items::give_gift(&data, &mut userr, &mut missions, &mut cleared_missions) {
+            if !items::give_gift(data, &mut userr, &mut missions, &mut cleared_missions) {
                 failed.push(gift_id.clone()).unwrap();
                 break;
             }
@@ -192,33 +192,33 @@ pub fn announcement(req: HttpRequest) -> HttpResponse {
 
 pub fn uid_to_code(uid: String) -> String {
     //just replace uid with numbers because im too lazy to have a real database and this is close enough anyways
-    return uid
-        .replace("1", "A")
-        .replace("2", "G")
-        .replace("3", "W")
-        .replace("4", "Q")
-        .replace("5", "Y")
-        .replace("6", "6")
-        .replace("7", "I")
-        .replace("8", "P")
-        .replace("9", "U")
-        .replace("0", "M")
-        + "7";
+    uid
+        .replace('1', "A")
+        .replace('2', "G")
+        .replace('3', "W")
+        .replace('4', "Q")
+        .replace('5', "Y")
+        .replace('6', "6")
+        .replace('7', "I")
+        .replace('8', "P")
+        .replace('9', "U")
+        .replace('0', "M")
+        + "7"
 }
 pub fn code_to_uid(code: String) -> String {
     //just replace uid with numbers because im too lazy to have a real database and this is close enough anyways
-    return code
-        .replace("7", "")
-        .replace("A", "1")
-        .replace("G", "2")
-        .replace("W", "3")
-        .replace("Q", "4")
-        .replace("Y", "5")
-        .replace("6", "6")
-        .replace("I", "7")
-        .replace("P", "8")
-        .replace("U", "9")
-        .replace("M", "0");
+    code
+        .replace('7', "")
+        .replace('A', "1")
+        .replace('G', "2")
+        .replace('W', "3")
+        .replace('Q', "4")
+        .replace('Y', "5")
+        .replace('6', "6")
+        .replace('I', "7")
+        .replace('P', "8")
+        .replace('U', "9")
+        .replace('M', "0")
 }
 
 pub fn get_migration_code(req: HttpRequest, body: String) -> HttpResponse {
@@ -260,7 +260,7 @@ pub fn verify_migration_code(req: HttpRequest, body: String) -> HttpResponse {
     
     let user = userdata::get_acc_transfer(uid, &body["migrationCode"].to_string(), &body["pass"].to_string());
     
-    if user["success"].as_bool().unwrap() == false || uid == 0 {
+    if !user["success"].as_bool().unwrap() || uid == 0 {
         let resp = object!{
             "code": 2,
             "server_time": global::timestamp(),
@@ -290,7 +290,7 @@ pub fn request_migration_code(req: HttpRequest, body: String) -> HttpResponse {
     
     let user = userdata::get_acc_transfer(uid, &body["migrationCode"].to_string(), &body["pass"].to_string());
     
-    if user["success"].as_bool().unwrap() != true || uid == 0 {
+    if !user["success"].as_bool().unwrap() || uid == 0 {
         let resp = object!{
             "code": 2,
             "server_time": global::timestamp(),
@@ -448,15 +448,15 @@ pub fn initialize(req: HttpRequest, body: String) -> HttpResponse {
     
     let cardstoreward: JsonValue;
     let mut masterid = 3000000;
-    if id.starts_with("1") {
+    if id.starts_with('1') {
         cardstoreward = array![10010001, 10020001, 10030001, 10040001, 10050001, 10060001, 10070001, 10080001, 10090001]; //muse
-    } else if id.starts_with("2") {
+    } else if id.starts_with('2') {
         cardstoreward = array![20010001, 20020001, 20030001, 20040001, 20050001, 20060001, 20070001, 20080001, 20090001]; //aqours
         masterid += 9; //muse
-    } else if id.starts_with("3") {
+    } else if id.starts_with('3') {
         cardstoreward = array![30010001, 30020001, 30030001, 30040001, 30050001, 30060001, 30070001, 30080001, 30090001, 30100001, 30110001]; //nijigasaki
         masterid += 9 + 9; //aqours
-    } else if id.starts_with("4") {
+    } else if id.starts_with('4') {
         cardstoreward = array![40010001, 40020001, 40030001, 40040001, 40050001, 40060001, 40070001, 40080001, 40090001]; //liella
         masterid += 9 + 9 + 12; //nijigasaki
     } else {
diff --git a/src/router/userdata/mod.rs b/src/router/userdata/mod.rs
index c421fb6..72680a7 100644
--- a/src/router/userdata/mod.rs
+++ b/src/router/userdata/mod.rs
@@ -74,7 +74,7 @@ fn acc_exists(uid: i64) -> bool {
     DATABASE.lock_and_select("SELECT user_id FROM userdata WHERE user_id=?1", params!(uid)).is_ok()
 }
 fn get_key(auth_key: &str) -> i64 {
-    let uid = get_uid(&auth_key);
+    let uid = get_uid(auth_key);
     let key = if uid == 0 {
         generate_uid()
     } else {
@@ -82,7 +82,7 @@ fn get_key(auth_key: &str) -> i64 {
     };
     
     if !acc_exists(key) {
-        create_acc(key, &auth_key);
+        create_acc(key, auth_key);
     }
     
     key
@@ -160,7 +160,7 @@ fn create_acc(uid: i64, login: &str) {
 
 fn get_uid(token: &str) -> i64 {
     let data = DATABASE.lock_and_select("SELECT user_id FROM tokens WHERE token = ?1;", params!(token));
-    if !data.is_ok() {
+    if data.is_err() {
         return 0;
     }
     let data = data.unwrap();
@@ -170,7 +170,7 @@ fn get_uid(token: &str) -> i64 {
 // Needed by gree
 pub fn get_login_token(uid: i64) -> String {
     let data = DATABASE.lock_and_select("SELECT token FROM tokens WHERE user_id=?1", params!(uid));
-    if !data.is_ok() {
+    if data.is_err() {
         return String::new();
     }
     data.unwrap()
@@ -207,7 +207,7 @@ fn cleanup_account(user: &mut JsonValue) {
 }
 
 fn get_data(auth_key: &str, row: &str) -> JsonValue {
-    let key = get_key(&auth_key);
+    let key = get_key(auth_key);
     
     let result = DATABASE.lock_and_select(&format!("SELECT {} FROM {} WHERE user_id=?1", row, row), params!(key));
     
@@ -219,14 +219,14 @@ pub fn get_acc(auth_key: &str) -> JsonValue {
     cleanup_account(&mut user);
     
     items::lp_modification(&mut user, 0, false);
-    return user;
+    user
 }
 
 pub fn get_acc_home(auth_key: &str) -> JsonValue {
     let mut user = get_data(auth_key, "userhome");
     user["home"]["pending_friend_count"] = get_acc_friends(auth_key)["pending_user_id_list"].len().into();
     
-    return user;
+    user
 }
 pub fn get_acc_missions(auth_key: &str) -> JsonValue {
     get_data(auth_key, "missions")
@@ -258,13 +258,13 @@ pub fn get_acc_eventlogin(auth_key: &str) -> JsonValue {
 }
 
 pub fn save_data(auth_key: &str, row: &str, data: JsonValue) {
-    let key = get_key(&auth_key);
+    let key = get_key(auth_key);
     
     DATABASE.lock_and_exec(&format!("UPDATE {} SET {}=?1 WHERE user_id=?2", row, row), params!(json::stringify(data), key));
 }
 
 pub fn save_acc(auth_key: &str, data: JsonValue) {
-    DATABASE.lock_and_exec("UPDATE userdata SET friend_request_disabled=?1 WHERE user_id=?2", params!(data["user"]["friend_request_disabled"].as_i32().unwrap(), get_key(&auth_key)));
+    DATABASE.lock_and_exec("UPDATE userdata SET friend_request_disabled=?1 WHERE user_id=?2", params!(data["user"]["friend_request_disabled"].as_i32().unwrap(), get_key(auth_key)));
     save_data(auth_key, "userdata", data);
 }
 pub fn save_acc_home(auth_key: &str, data: JsonValue) {
@@ -307,15 +307,15 @@ fn hash_password(password: &str) -> String {
     let hashed_password = hasher.finalize();
 
     let salt_hash = [&salt[..], &hashed_password[..]].concat();
-    general_purpose::STANDARD.encode(&salt_hash)
+    general_purpose::STANDARD.encode(salt_hash)
 }
 
 fn verify_password(password: &str, salted_hash: &str) -> bool {
-    if password == "" || salted_hash == "" {
+    if password.is_empty() || salted_hash.is_empty() {
         return false;
     }
     let bytes = general_purpose::STANDARD.decode(salted_hash);
-    if !bytes.is_ok() {
+    if bytes.is_err() {
         return password == salted_hash;
     }
     let bytes = bytes.unwrap();
@@ -335,7 +335,7 @@ fn verify_password(password: &str, salted_hash: &str) -> bool {
 
 pub fn get_acc_transfer(uid: i64, token: &str, password: &str) -> JsonValue {
     let data = DATABASE.lock_and_select("SELECT password FROM migration WHERE token=?1", params!(token));
-    if !data.is_ok() {
+    if data.is_err() {
         return object!{success: false};
     }
     if verify_password(password, &data.unwrap()) {
@@ -371,7 +371,7 @@ pub fn get_name_and_rank(uid: i64) -> JsonValue {
     let result = DATABASE.lock_and_select("SELECT userdata FROM userdata WHERE user_id=?1", params!(uid));
     let data = json::parse(&result.unwrap()).unwrap();
     
-    return object!{
+    object!{
         user_name: data["user"]["name"].clone(),
         user_rank: items::get_user_rank_data(data["user"]["exp"].as_i64().unwrap())["rank"].clone() //todo
     }
@@ -414,12 +414,12 @@ pub fn friend_request_approve(uid: i64, requestor: i64, accepted: bool, key: &st
     let uid = get_uid(&login_token);
     let friends = DATABASE.lock_and_select("SELECT friends FROM friends WHERE user_id=?1", params!(uid));
     let mut friends = json::parse(&friends.unwrap()).unwrap();
-    let index = friends[key].members().into_iter().position(|r| *r.to_string() == requestor.to_string());
-    if !index.is_none() {
+    let index = friends[key].members().position(|r| *r.to_string() == requestor.to_string());
+    if index.is_some() {
         friends[key].array_remove(index.unwrap());
     }
-    let index = friends["request_user_id_list"].members().into_iter().position(|r| *r.to_string() == requestor.to_string());
-    if !index.is_none() {
+    let index = friends["request_user_id_list"].members().position(|r| *r.to_string() == requestor.to_string());
+    if index.is_some() {
         friends["request_user_id_list"].array_remove(index.unwrap());
     }
     if accepted && !friends["friend_user_id_list"].contains(requestor) && friends["friend_user_id_list"].len() < crate::router::friend::FRIEND_LIMIT {
@@ -436,7 +436,7 @@ pub fn friend_request_disabled(uid: i64) -> bool {
     let uid = get_uid(&login_token);
     let user = DATABASE.lock_and_select("SELECT userdata FROM userdata WHERE user_id=?1", params!(uid));
     let user = json::parse(&user.unwrap()).unwrap();
-    user["user"]["friend_request_disabled"].to_string() == "1"
+    user["user"]["friend_request_disabled"] == "1"
 }
 
 pub fn friend_remove(uid: i64, requestor: i64) {
@@ -447,8 +447,8 @@ pub fn friend_remove(uid: i64, requestor: i64) {
     let uid = get_uid(&login_token);
     let friends = DATABASE.lock_and_select("SELECT friends FROM friends WHERE user_id=?1", params!(uid));
     let mut friends = json::parse(&friends.unwrap()).unwrap();
-    let index = friends["friend_user_id_list"].members().into_iter().position(|r| *r.to_string() == requestor.to_string());
-    if !index.is_none() {
+    let index = friends["friend_user_id_list"].members().position(|r| *r.to_string() == requestor.to_string());
+    if index.is_some() {
         friends["friend_user_id_list"].array_remove(index.unwrap());
     }
     DATABASE.lock_and_exec("UPDATE friends SET friends=?1 WHERE user_id=?2", params!(json::stringify(friends), uid));
@@ -479,9 +479,9 @@ fn create_webui_token() -> String {
 
 pub fn webui_login(uid: i64, password: &str) -> Result<String, String> {
     create_webui_store();
-    let pass = DATABASE.lock_and_select("SELECT password FROM migration WHERE token=?1", params!(crate::router::user::uid_to_code(uid.to_string()))).unwrap_or(String::new());
+    let pass = DATABASE.lock_and_select("SELECT password FROM migration WHERE token=?1", params!(crate::router::user::uid_to_code(uid.to_string()))).unwrap_or_default();
     if !verify_password(password, &pass) {
-        if acc_exists(uid) && pass == "" {
+        if acc_exists(uid) && pass.is_empty() {
             return Err(String::from("Migration token not set. Set token in game settings."));
         }
         return Err(String::from("User/password don't match"));
@@ -516,22 +516,22 @@ pub fn webui_import_user(user: JsonValue) -> Result<JsonValue, String> {
 }
 
 fn webui_login_token(token: &str) -> Option<String> {
-    let uid = DATABASE.lock_and_select("SELECT user_id FROM webui WHERE token=?1", params!(token)).unwrap_or(String::new());
-    if uid == String::new() || token == "" {
+    let uid = DATABASE.lock_and_select("SELECT user_id FROM webui WHERE token=?1", params!(token)).unwrap_or_default();
+    if uid == String::new() || token.is_empty() {
         return None;
     }
     let uid = uid.parse::<i64>().unwrap_or(0);
     if uid == 0 {
         return None;
     }
-    let last_login = DATABASE.lock_and_select("SELECT last_login FROM webui WHERE user_id=?1", params!(uid)).unwrap_or(String::new()).parse::<i64>().unwrap_or(0);
+    let last_login = DATABASE.lock_and_select("SELECT last_login FROM webui WHERE user_id=?1", params!(uid)).unwrap_or_default().parse::<i64>().unwrap_or(0);
     let limit = 24 * 60 * 60; //1 day
     //Expired token
     if (global::timestamp() as i64) > last_login + limit {
         DATABASE.lock_and_exec("DELETE FROM webui WHERE user_id=?1", params!(uid));
         return None;
     }
-    let login_token = DATABASE.lock_and_select("SELECT token FROM tokens WHERE user_id=?1", params!(uid)).unwrap_or(String::new());
+    let login_token = DATABASE.lock_and_select("SELECT token FROM tokens WHERE user_id=?1", params!(uid)).unwrap_or_default();
     if login_token == String::new() {
         return None;
     }
@@ -541,11 +541,11 @@ fn webui_login_token(token: &str) -> Option<String> {
 pub fn webui_get_user(token: &str) -> Option<JsonValue> {
     let login_token = webui_login_token(token)?;
     
-    return Some(object!{
+    Some(object!{
         userdata: get_acc(&login_token),
         loginbonus: get_acc_loginbonus(&login_token),
         time: get_server_data(&login_token)["server_time"].clone()
-    });
+    })
 }
 
 pub fn webui_start_loginbonus(bonus_id: i64, token: &str) -> JsonValue {
@@ -566,10 +566,10 @@ pub fn webui_start_loginbonus(bonus_id: i64, token: &str) -> JsonValue {
     }
     save_acc_loginbonus(&login_token, bonuses);
     
-    return object!{
+    object!{
         result: "OK",
         id: bonus_id
-    };
+    }
 }
 
 pub fn set_server_time(time: i64, token: &str) -> JsonValue {
@@ -592,9 +592,9 @@ pub fn set_server_time(time: i64, token: &str) -> JsonValue {
     server_data["server_time"] = time.into();
     save_server_data(&login_token, server_data);
     
-    return object!{
+    object!{
         result: "OK"
-    };
+    }
 }
 
 pub fn webui_logout(token: &str) {
diff --git a/src/router/webui.rs b/src/router/webui.rs
index 4fdfac4..7ee7696 100644
--- a/src/router/webui.rs
+++ b/src/router/webui.rs
@@ -12,7 +12,7 @@ use crate::router::{userdata, items};
 fn get_login_token(req: &HttpRequest) -> Option<String> {
     let blank_header = HeaderValue::from_static("");
     let cookies = req.headers().get("Cookie").unwrap_or(&blank_header).to_str().unwrap_or("");
-    if cookies == "" {
+    if cookies.is_empty() {
         return None;
     }
     return Some(cookies.split("ew_token=").last().unwrap_or("").split(';').collect::<Vec<_>>()[0].to_string());
@@ -117,7 +117,7 @@ pub fn set_time(req: HttpRequest, body: String) -> HttpResponse {
 
 pub fn logout(req: HttpRequest) -> HttpResponse {
     let token = get_login_token(&req);
-    if !token.is_none() {
+    if token.is_some() {
         userdata::webui_logout(&token.unwrap());
     }
     let resp = object!{
@@ -133,9 +133,9 @@ pub fn logout(req: HttpRequest) -> HttpResponse {
 pub fn main(req: HttpRequest) -> HttpResponse {
     if req.path() == "/" {
         let token = get_login_token(&req);
-        if !token.is_none() {
+        if token.is_some() {
             let data = userdata::webui_get_user(&token.unwrap());
-            if !data.is_none() {
+            if data.is_some() {
                 return HttpResponse::Found()
                     .insert_header(("Location", "/home/"))
                     .body("");
diff --git a/src/sql.rs b/src/sql.rs
index dfc8407..2d29c3c 100644
--- a/src/sql.rs
+++ b/src/sql.rs
@@ -83,7 +83,7 @@ impl SQLite {
             match self.engine.lock() {
                 Ok(conn) => {
                     let mut stmt = conn.prepare("SELECT * FROM lives WHERE live_id=?1")?;
-                    return Ok(stmt.query_row(params!(id), |row| {
+                    return stmt.query_row(params!(id), |row| {
                         Ok(Live {
                             live_id: row.get(0)?,
                             normal_failed: row.get(1)?,
@@ -95,7 +95,7 @@ impl SQLite {
                             master_failed: row.get(7)?,
                             master_pass: row.get(8)?,
                         })
-                    })?);
+                    });
                 }
                 Err(_) => {
                     std::thread::sleep(std::time::Duration::from_millis(self.sleep_duration));