diff --git a/klp-framework/src/main/java/com/klp/framework/web/exception/GlobalExceptionHandler.java b/klp-framework/src/main/java/com/klp/framework/web/exception/GlobalExceptionHandler.java
index cec8ee50..7020d516 100644
--- a/klp-framework/src/main/java/com/klp/framework/web/exception/GlobalExceptionHandler.java
+++ b/klp-framework/src/main/java/com/klp/framework/web/exception/GlobalExceptionHandler.java
@@ -18,6 +18,7 @@ import org.springframework.web.HttpRequestMethodNotSupportedException;
 import org.springframework.web.bind.MethodArgumentNotValidException;
 import org.springframework.web.bind.annotation.ExceptionHandler;
 import org.springframework.web.bind.annotation.RestControllerAdvice;
+import org.springframework.web.client.ResourceAccessException;
 
 import javax.servlet.http.HttpServletRequest;
 import javax.validation.ConstraintViolation;
@@ -158,6 +159,21 @@ public class GlobalExceptionHandler {
         return R.fail(message);
     }
 
+    /**
+     * 二级系统（L2）连接失败
+     */
+    @ExceptionHandler(ResourceAccessException.class)
+    public R<Void> handleResourceAccessException(ResourceAccessException e, HttpServletRequest request) {
+        String requestURI = request.getRequestURI();
+        String message = e.getMessage();
+        if (message != null && (message.contains("Connection refused") || message.contains("sql-server-api"))) {
+            log.error("请求地址'{}', 二级系统连接失败'{}'", requestURI, message);
+            return R.fail(503, "二级系统状态异常，已停机，请稍后重试或联系管理员确认");
+        }
+        log.error("请求地址'{}', 资源访问异常", requestURI, e);
+        return R.fail("服务连接异常，请稍后重试");
+    }
+
     /**
      * 演示模式异常
      */