feat(app): 为新用户设置初始密码

- 在 UserServiceImpl 中为新创建的用户设置密码为 openid
- 确保新用户能够成功登录并进行密码修改

national-motion-module-system/national-motion-system-biz/src/main/java/org/jeecg/modules/app/service/impl/UserServiceImpl.java

@@ -93,7 +93,7 @@ public class UserServiceImpl implements IUserService {
                         .setSalt(oConvertUtils.randomGen(8))
                         .setCreateBy("admin")
                         .setRealname("微信用户")
-                        .setUsername("微信用户_" + generateRandomString(10,5));
+                        .setUsername(generateRandomString(10,5));
                 boolean result = sysUserMapper.insert(user) > 0;
                 if (!result) {
                     throw new JeecgBootException("登录失败", SC_INTERNAL_SERVER_ERROR_500);