diff --git a/src/main/java/org/blue/club/controller/UserController.java b/src/main/java/org/blue/club/controller/UserController.java
index 8110adb..786abdb 100644
--- a/src/main/java/org/blue/club/controller/UserController.java
+++ b/src/main/java/org/blue/club/controller/UserController.java
@@ -74,7 +74,7 @@ public class UserController {
 
     @PutMapping("/avatar")
     @Operation(description = "修改用户头像")
-    public Result<Boolean> changeAvatar(@RequestParam("code") @Schema(description = "修改头像操作码，可以通过将图片文件上传至([POST] /api/avatar/upload)接口获取") String avatarOperationCode, @Schema(description = "被修改的用户ID", defaultValue = "-1") @RequestParam long userId, @Auth User user) {
+    public Result<Boolean> changeAvatar(@RequestParam("code") @Schema(description = "修改头像操作码，可以通过将图片文件上传至([POST] /api/avatar/upload)接口获取") String avatarOperationCode, @Schema(description = "被修改的用户ID", requiredMode = Schema.RequiredMode.NOT_REQUIRED) @RequestParam(defaultValue = "-1") long userId, @Auth User user) {
         return userServices.changeAvatar(avatarOperationCode, userId, user);
     }