diff --git a/src/router/global.rs b/src/router/global.rs
index 97fab05..25bfe27 100644
--- a/src/router/global.rs
+++ b/src/router/global.rs
@@ -330,7 +330,7 @@ pub fn give_exp(amount: i32, user: &mut JsonValue) {
     }
 }
 
-fn get_card(id: i64, user: &JsonValue) -> JsonValue {
+pub fn get_card(id: i64, user: &JsonValue) -> JsonValue {
     if id == 0 {
         return object!{};
     }
diff --git a/src/router/user.rs b/src/router/user.rs
index 0786f8f..8d3081f 100644
--- a/src/router/user.rs
+++ b/src/router/user.rs
@@ -153,6 +153,7 @@ pub fn user_post(req: HttpRequest, body: String) -> HttpResponse {
     }
     if !body["favorite_master_card_id"].is_null() {
         user["user"]["favorite_master_card_id"] = body["favorite_master_card_id"].clone();
+        user["user"]["favorite_card_evolve"] = if global::get_card(body["favorite_master_card_id"].as_i64().unwrap(), &user)["evolve"].is_empty() { 0 } else { 1 }.into();
     }
     if !body["guest_smile_master_card_id"].is_null() {
         user["user"]["guest_smile_master_card_id"] = body["guest_smile_master_card_id"].clone();