diff --git a/application/ZengJieCode/controller/app/Savemsg.php b/application/ZengJieCode/controller/app/Savemsg.php
index 2c65a64..4e48925 100644
--- a/application/ZengJieCode/controller/app/Savemsg.php
+++ b/application/ZengJieCode/controller/app/Savemsg.php
@@ -210,11 +210,13 @@ class Savemsg extends Base{
     }
 
     public function save_sn_msg_action($data){
+        $data = $this->chuli_str_kongbai($data);
         $zengjie = Db::connect('zengjie_db');
-        // $sn_code = $zengjie->table('sn_code_all')->where(['sn_code'=>$data['sn_code']])->count();
-        // if($sn_code > 0){
-        //     return $this->msg(10002,'该码已录入');
-        // }
+        $sn_code = $zengjie->table('sn_code_all')->where(['sn_code'=>$data['sn_code']])->count();
+        if($sn_code > 0){
+            return $this->msg(10002,'该码已录入');
+        }
+        
         $result = $zengjie->table('sn_code_all')->insert([
             'sn_code'=>$data['sn_code'],
             'bluetooth_name'=>$data['bl_name'],
@@ -229,10 +231,12 @@ class Savemsg extends Base{
     }
 
     public function save_box_msg_action($data) {
+        $data = $this->chuli_str_kongbai($data);
         $zengjie = Db::connect('zengjie_db');
         
         // 1. 检查sn_code_all中是否有重复数据
         $snCodes = explode(',', $data['sn_code_all']);
+        $snCodes = $this->chuli_str_kongbai($snCodes);
         if (count($snCodes) !== count(array_unique($snCodes))) {
             return $this->msg(10003, 'SN码列表中存在重复数据');
         }
@@ -256,7 +260,7 @@ class Savemsg extends Base{
                 'box_code' => $data['box_serial_number'],
                 'box_num' => $num,
                 'create_time' => date('Y-m-d H:i:s'),
-                'content_str' => $data['sn_code_all'],
+                'content_str' => implode(',',$snCodes),
             ]);
             
             $affectedRows = $zengjie->table('sn_code_all')
@@ -339,6 +343,17 @@ class Savemsg extends Base{
         }
     }
 
+
+    public function chuli_str_kongbai($data){
+        foreach ($$data as $key => $value) {
+            // 1. 移除所有空字符和不可见字符
+            $data[$key] = preg_replace('/[\x00-\x1F\x7F]/', '', $value);
+            // 2. 去除首尾空白
+            $data[$key] = trim($value);
+        }
+        return $data;
+    }
+
     ######################################################测试#########################################################
     ######################################################测试#########################################################
     ######################################################测试#########################################################