diff --git a/admin/ajax.class.php b/admin/ajax.class.php
index 9387527..2d3408f 100644
--- a/admin/ajax.class.php
+++ b/admin/ajax.class.php
@@ -91,7 +91,7 @@ class ajax extends appadmin {
         $elevator   = $this->tsql->table('elevator')
             ->where(['e_number' => $ap_enumber])
             ->one();
-        $elstr  = $error = false;
+        $elstr  = $error = $sqlupd = false;
         // 判断广告位是否存在
         if($elevator != false){
             //进行排期处理
@@ -130,10 +130,18 @@ class ajax extends appadmin {
                     ->field($field)
                     ->where(['id' => $enum['id']])
                     ->upd();
-                $query  = $this->tsql->query();
+                $sqlupd = true;
             }
             //获取sql执行结果，查看是否存在错误
-            $elstr  = $this->tsql->error();
+            if($error  = $this->tsql->error()){
+                $elstr  = $error;
+                // 清楚掉已存在，但修改后无法达到要求的广告位
+                if($sqlupd){
+                    $this->tsql->table('schedule')
+                                ->where(['id' => $enum['id'] ])
+                                ->del();
+                }
+            }
             
             //广告位地址
             $e_address  = parent::e_address($elevator);
@@ -151,7 +159,7 @@ class ajax extends appadmin {
             $elstr  = '广告位不存在或者已删除，';
         }
         
-        $array  = $error || $elstr
+        $array  = $elstr
                 ?['code' => false,'text' => "{$e_address}，{$elstr}排期失败。",'eid' =>$ap_enumber,$query,$enum,$field,$query1,$senumber]
                 :['code' => true,'text' => "{$e_address}，排期成功。",'eid' =>$ap_enumber,$senumber];