diff --git a/application/admin/library/traits/Backend.php b/application/admin/library/traits/Backend.php
index f81f62fee840c33d300fd432d4af641b5e5e9094..d67d04a8313efdf2b945a56c3390e56cfe30a0be 100755
--- a/application/admin/library/traits/Backend.php
+++ b/application/admin/library/traits/Backend.php
@@ -93,40 +93,39 @@ trait Backend
     {
         if ($this->request->isPost()) {
             $params = $this->request->post("row/a");
-            if ($params) {
-                $params = $this->preExcludeFields($params);
+            if (!$params) {
+                $this->error(__('Parameter %s can not be empty', ''));
+            }
+            $params = $this->preExcludeFields($params);
 
-                if ($this->dataLimit && $this->dataLimitFieldAutoFill) {
-                    $params[$this->dataLimitField] = $this->auth->id;
-                }
-                $result = false;
-                Db::startTrans();
-                try {
-                    //是否采用模型验证
-                    if ($this->modelValidate) {
-                        $name = str_replace("\\model\\", "\\validate\\", get_class($this->model));
-                        $validate = is_bool($this->modelValidate) ? ($this->modelSceneValidate ? $name . '.add' : $name) : $this->modelValidate;
-                        $this->model->validateFailException(true)->validate($validate);
-                    }
-                    $result = $this->model->allowField(true)->save($params);
-                    Db::commit();
-                } catch (ValidateException $e) {
-                    Db::rollback();
-                    $this->error($e->getMessage());
-                } catch (PDOException $e) {
-                    Db::rollback();
-                    $this->error($e->getMessage());
-                } catch (Exception $e) {
-                    Db::rollback();
-                    $this->error($e->getMessage());
-                }
-                if ($result !== false) {
-                    $this->success();
-                } else {
-                    $this->error(__('No rows were inserted'));
+            if ($this->dataLimit && $this->dataLimitFieldAutoFill) {
+                $params[$this->dataLimitField] = $this->auth->id;
+            }
+            $result = false;
+            Db::startTrans();
+            try {
+                //是否采用模型验证
+                if ($this->modelValidate) {
+                    $name = str_replace("\\model\\", "\\validate\\", get_class($this->model));
+                    $validate = is_bool($this->modelValidate) ? ($this->modelSceneValidate ? $name . '.add' : $name) : $this->modelValidate;
+                    $this->model->validateFailException(true)->validate($validate);
                 }
+                $result = $this->model->allowField(true)->save($params);
+                Db::commit();
+            } catch (ValidateException $e) {
+                Db::rollback();
+                $this->error($e->getMessage());
+            } catch (PDOException $e) {
+                Db::rollback();
+                $this->error($e->getMessage());
+            } catch (Exception $e) {
+                Db::rollback();
+                $this->error($e->getMessage());
+            }
+            if ($result === false) {
+                $this->error(__('No rows were inserted'));
             }
-            $this->error(__('Parameter %s can not be empty', ''));
+            $this->success();
         }
         return $this->view->fetch();
     }
@@ -148,36 +147,35 @@ trait Backend
         }
         if ($this->request->isPost()) {
             $params = $this->request->post("row/a");
-            if ($params) {
-                $params = $this->preExcludeFields($params);
-                $result = false;
-                Db::startTrans();
-                try {
-                    //是否采用模型验证
-                    if ($this->modelValidate) {
-                        $name = str_replace("\\model\\", "\\validate\\", get_class($this->model));
-                        $validate = is_bool($this->modelValidate) ? ($this->modelSceneValidate ? $name . '.edit' : $name) : $this->modelValidate;
-                        $row->validateFailException(true)->validate($validate);
-                    }
-                    $result = $row->allowField(true)->save($params);
-                    Db::commit();
-                } catch (ValidateException $e) {
-                    Db::rollback();
-                    $this->error($e->getMessage());
-                } catch (PDOException $e) {
-                    Db::rollback();
-                    $this->error($e->getMessage());
-                } catch (Exception $e) {
-                    Db::rollback();
-                    $this->error($e->getMessage());
-                }
-                if ($result !== false) {
-                    $this->success();
-                } else {
-                    $this->error(__('No rows were updated'));
+            if (!$params) {
+                $this->error(__('Parameter %s can not be empty', ''));
+            }
+            $params = $this->preExcludeFields($params);
+            $result = false;
+            Db::startTrans();
+            try {
+                //是否采用模型验证
+                if ($this->modelValidate) {
+                    $name = str_replace("\\model\\", "\\validate\\", get_class($this->model));
+                    $validate = is_bool($this->modelValidate) ? ($this->modelSceneValidate ? $name . '.edit' : $name) : $this->modelValidate;
+                    $row->validateFailException(true)->validate($validate);
                 }
+                $result = $row->allowField(true)->save($params);
+                Db::commit();
+            } catch (ValidateException $e) {
+                Db::rollback();
+                $this->error($e->getMessage());
+            } catch (PDOException $e) {
+                Db::rollback();
+                $this->error($e->getMessage());
+            } catch (Exception $e) {
+                Db::rollback();
+                $this->error($e->getMessage());
             }
-            $this->error(__('Parameter %s can not be empty', ''));
+            if ($result === false) {
+                $this->error(__('No rows were updated'));
+            }
+            $this->success();
         }
         $this->view->assign("row", $row);
         return $this->view->fetch();