diff --git a/application/admin/request/FormRequest.php b/application/admin/request/FormRequest.php
index 44bedf0..3a839d1 100644
--- a/application/admin/request/FormRequest.php
+++ b/application/admin/request/FormRequest.php
@@ -6,6 +6,7 @@
  */
 namespace app\admin\request;
 
+use think\exception\HttpException;
 use think\Request;
 
 abstract class FormRequest extends Request
@@ -19,20 +20,7 @@ abstract class FormRequest extends Request
 		parent::__construct();
 
 		if ($this->withServer($_SERVER)->isAjax(true) && $err = $this->validate()) {
-            exit($this->error($err));
+            throw new HttpException(0, $err);
         }
 	}
-
-    protected function error($msg = '', $url = null, $data = '', $wait = 3, array $header = [])
-    {
-
-        return json([
-            'code' => 0,
-            'msg' => $msg,
-            'data' => $data,
-            'url' => $url,
-            'wait' => $wait,
-        ])->send();
-    }
-
 }
\ No newline at end of file
diff --git a/application/exceptions/Handle.php b/application/exceptions/Handle.php
new file mode 100644
index 0000000..25aadd5
--- /dev/null
+++ b/application/exceptions/Handle.php
@@ -0,0 +1,44 @@
+<?php
+/**
+ * Created by PhpStorm.
+ * User: Administrator
+ * Date: 2018/11/30
+ * Time: 17:25
+ */
+namespace app\exceptions;
+
+use Exception;
+use think\exception\HttpException;
+
+class Handle extends \think\exception\Handle
+{
+    /**
+     * rewrite render
+     *
+     * @time at 2018年11月30日
+     * @param Exception $e
+     * @return \think\Response|\think\response\Json
+     */
+    public function render(Exception $e)
+    {
+        switch (true) {
+            case $e instanceof HttpException:
+                return $this->error($e->getMessage());
+                break;
+            default:
+                return $this->convertExceptionToResponse($e);
+                break;
+        }
+    }
+
+    protected function error($msg = '', $url = null, $data = '', $wait = 3, array $header = [])
+    {
+        return json([
+            'code' => 0,
+            'msg'  => $msg,
+            'data' => $data,
+            'url'  => $url,
+            'wait' => $wait,
+        ]);
+    }
+}
\ No newline at end of file
diff --git a/config/app.php b/config/app.php
index cdd7da1..4a26e13 100644
--- a/config/app.php
+++ b/config/app.php
@@ -141,6 +141,6 @@ return [
     // 显示错误信息
     'show_error_msg'         => false,
     // 异常处理handle类 留空使用 \think\exception\Handle
-    'exception_handle'       => '',
+    'exception_handle'       => app\exceptions\Handle::class,
 
 ];