修改推送到jolanse的问题了

.github/workflows/push-to-docker.yml

@@ -64,7 +64,7 @@ jobs:
         id: meta
         uses: docker/metadata-action@v4
         with:
-          images: jolanse/study_xxqg
+          images: johlanse/study_xxqg
           tags: |
             type=raw,value=latest
             type=ref,event=tag

docs/linux/index.md

@@ -11,7 +11,7 @@
 ## docker运行
 
 ```
-docker run --name study_xxqg -d -p 8080:8080 -v /etc/study_xxqg/:/opt/config/  jolanse/study_xxqg:latest
+docker run --name study_xxqg -d -p 8080:8080 -v /etc/study_xxqg/:/opt/config/  johlanse/study_xxqg:latest
 ```
 各个参数的含义：
 

model/user.go

@@ -243,6 +243,8 @@ func UserCount(uid string) int {
  * @return error
  */
 func DeleteUser(uid string) error {
+	lock.Lock()
+	defer lock.Unlock()
 	ping()
 	_, err := db.Exec("delete from user where uid = ?;", uid)
 	if err != nil {