fix: 不显示水印字符串置空值

src/store/modules/user.ts

@@ -167,7 +167,8 @@ const useUserStore = defineStore('user', {
         if (this.phonenumber) {
           waterMarkContent = `${this.userName} ${this.phonenumber}`;
         }
-        useLayoutStore().changeWaterMark(waterMarkContent);
+        // useLayoutStore().changeWaterMark(waterMarkContent);
+        useLayoutStore().changeWaterMark("");
       }
       // 网络错误时退出登录状态
       if (res.code === 0) {