diff --git a/Application/Admin/Common/function.php b/Application/Admin/Common/function.php
index 7916130e1..cca1ec6e1 100644
--- a/Application/Admin/Common/function.php
+++ b/Application/Admin/Common/function.php
@@ -854,3 +854,11 @@ function convertAmountToCn($num) {
 
     return $daxie . '整';
 }
+
+/**
+ * @param $phone
+ * @return false|int
+ */
+function checkPhone($phone) {
+    return preg_match("/^1[3456789]\d{9}$/",$phone);
+}
diff --git a/Application/Admin/Controller/ToolController.class.php b/Application/Admin/Controller/ToolController.class.php
index d5aee52fc..056c6c1ec 100644
--- a/Application/Admin/Controller/ToolController.class.php
+++ b/Application/Admin/Controller/ToolController.class.php
@@ -726,7 +726,7 @@ class ToolController extends ThinkController {
                 $this->error('公司名称已存在');
             }
 
-            if(!preg_match("/^1[358][0-9]{9}$/u",I('link_phone'))) {
+            if(!checkPhone(I('link_phone'))) {
                 $this->error('联系电话格式不正确');
             }
             $res2 = $model->where(['link_phone' => I('link_phone')])->getField('id');
@@ -798,7 +798,7 @@ class ToolController extends ThinkController {
                 $this->error('公司名称已存在');
             }
 
-            if(!preg_match("/^1[358][0-9]{9}$/u",I('link_phone'))) {
+            if(!checkPhone(I('link_phone'))) {
                 $this->error('联系电话格式不正确');
             }
             $res2 = $model->where([