diff --git a/controller/user.go b/controller/user.go
index 7f69998f..95cb4dee 100644
--- a/controller/user.go
+++ b/controller/user.go
@@ -415,8 +415,8 @@ func UpdateSelf(c *gin.Context) {
 	}
 
 	cleanUser := model.User{
-		Id:          c.GetInt("id"),
-		Username:    user.Username,
+		Id: c.GetInt("id"),
+		// Username:    user.Username,
 		Password:    user.Password,
 		DisplayName: user.DisplayName,
 	}
diff --git a/model/user.go b/model/user.go
index d339e61f..27933038 100644
--- a/model/user.go
+++ b/model/user.go
@@ -139,9 +139,6 @@ func (user *User) Insert(inviterId int) error {
 }
 
 func (user *User) Update(updatePassword bool) error {
-	if RecordExists(&User{}, "username", user.Username, user.Id) {
-		return errors.New("用户名已存在！")
-	}
 	var err error
 	if updatePassword {
 		user.Password, err = common.Password2Hash(user.Password)
diff --git a/web/src/views/Profile/index.js b/web/src/views/Profile/index.js
index 25daff9e..67ba628f 100644
--- a/web/src/views/Profile/index.js
+++ b/web/src/views/Profile/index.js
@@ -107,7 +107,7 @@ export default function Profile() {
   const submit = async () => {
     try {
       let inputValue = inputs;
-      inputValue.username = trims(inputValue.username);
+      // inputValue.username = trims(inputValue.username);
       inputValue.display_name = trims(inputValue.display_name);
       await validationSchema.validate(inputValue);
       const res = await API.put(`/api/user/self`, inputValue);
@@ -170,7 +170,8 @@ export default function Profile() {
                       label="用户名"
                       type="text"
                       value={inputs.username || ''}
-                      onChange={handleInputChange}
+                      // onChange={handleInputChange}
+                      disabled
                       name="username"
                       placeholder="请输入用户名"
                     />