refactor: 优化无权操作数据库的提示

src/main/java/com/youlai/boot/common/exception/GlobalExceptionHandler.java

@@ -192,7 +192,7 @@ public class GlobalExceptionHandler {
         log.error(e.getMessage(), e);
         String errorMsg = e.getMessage();
         if (StrUtil.isNotBlank(errorMsg) && errorMsg.contains("denied to user")) {
-            return Result.failed(ResultCode.ACCESS_UNAUTHORIZED);
+            return Result.failed(ResultCode.DATABASE_ACCESS_DENIED);
         } else {
             return Result.failed(e.getMessage());
         }

src/main/java/com/youlai/boot/common/result/ResultCode.java

@@ -250,6 +250,8 @@ public enum ResultCode implements IResultCode, Serializable {
 
     PRIMARY_KEY_CONFLICT("C0341", "主键冲突"),
 
+    DATABASE_ACCESS_DENIED("C0351", "演示环境已禁用数据库写入功能，请本地部署修改数据库链接或开启Mock模式进行体验"),
+
     /** 二级宏观错误码  */
     THIRD_PARTY_DISASTER_RECOVERY_SYSTEM_TRIGGERED("C0400", "第三方容灾系统被触发"),
     THIRD_PARTY_SYSTEM_RATE_LIMITING("C0401", "第三方系统限流"),