diff --git a/worklog-api/src/main/resources/application.yml b/worklog-api/src/main/resources/application.yml
index 0339050..641fac6 100644
--- a/worklog-api/src/main/resources/application.yml
+++ b/worklog-api/src/main/resources/application.yml
@@ -97,13 +97,13 @@ springdoc:
 # ==================== 腾讯云 COS 配置（可选）====================
 tencent:
   cos:
-    enabled: false
-    app-id: 1308258046
-    secret-id: AKIDukKfkY5LK2SbU6QTM7csugCSSDjzyiDS
-    secret-key: 0lHXYIn20jDRP7ZlhNnyub3GEwObZHjw
-    bucket-name: test-1308258046
-    bucket-host: https://test-1308258046.cos.ap-beijing.myqcloud.com
-    region: ap-beijing
+    enabled: ${COS_ENABLED:false}
+    app-id: ${COS_APP_ID:1308258046}
+    secret-id: ${COS_SECRET_ID:}
+    secret-key: ${COS_SECRET_KEY:}
+    bucket-name: ${COS_BUCKET_NAME:}
+    bucket-host: ${COS_BUCKET_HOST:}
+    region: ${COS_REGION:ap-beijing}
 
 # ==================== 应用自定义配置 ====================
 worklog: