diff --git a/app/api/controller/Common.php b/app/api/controller/Common.php
index b4af0d4..3ba08cc 100644
--- a/app/api/controller/Common.php
+++ b/app/api/controller/Common.php
@@ -613,6 +613,9 @@ class Common extends ApiController
         }
 		if (empty($param['type'])) {
             $this->apiError("审批流程type不能为空");
+        }
+		if (!in_array($param['type'], [1, 2, 3])) {
+            $this->apiError("审批流程type错误");
         }
 		$id = $param['id'];
 		$type = $param['type'];