diff --git a/src/main/resources/application-dev.yml b/src/main/resources/application-dev.yml
index 82957aa..e8d43f2 100644
--- a/src/main/resources/application-dev.yml
+++ b/src/main/resources/application-dev.yml
@@ -2,7 +2,7 @@ spring:
     # 配置数据库
     datasource:
         driver-class-name: com.mysql.cj.jdbc.Driver
-        url: jdbc:mysql://mysql8:3306/learning_progress_tracker?allowPublicKeyRetrieval=true&characterEncoding=utf-8&useSSL=false&serverTimezone=GMT%2B8
+        url: jdbc:mysql://mysql_default:3306/learning_progress_tracker?allowPublicKeyRetrieval=true&characterEncoding=utf-8&useSSL=false&serverTimezone=GMT%2B8
         username: root
         password: GUOxy5157
 server: