diff --git a/APP/Agent/agent_hyt.c b/APP/Agent/agent_hyt.c
index 6e0db35..36e6b4a 100644
--- a/APP/Agent/agent_hyt.c
+++ b/APP/Agent/agent_hyt.c
@@ -123,9 +123,10 @@ void ptz_reply(char dev, unsigned char type)
         
         break;
         
-      case CMD_WRONG://指令错误          
-        ptz_send_data(dev, reply_wrong, sizeof(reply_wrong));
-        
+      case CMD_WRONG://指令错误    
+        if (dev != PTZ_UART_485) {
+            ptz_send_data(dev, reply_wrong, sizeof(reply_wrong));
+        }
         break;
         
       case CMD_FAIL://指令正确，但执行失败          
@@ -2200,41 +2201,47 @@ static void ptz_uart_485_data_process_task()
         //判断有无数据
         if(ptz_uart_dev_char_present(uart_485_handle) == 0)
         {
-          OSTimeDlyHMSM(0u, 0u, 0u, 1u);//等待一段时间
-          uart_485_timer ++;
-          if(uart_485_timer > PTZ_UART_RECV_OVERTIME)
-          {//接收超时，说明一帧数据接收完成
-            break;
-          }
+          OSTimeDlyHMSM(0u, 0u, 0u, 3u);//等待一段时间
+        //   uart_485_timer ++;
+        //   if(uart_485_timer > PTZ_UART_RECV_OVERTIME)
+        //   {//接收超时，说明一帧数据接收完成
+        //     break;
+        //   }
+            if (ptz_uart_dev_char_present(uart_485_handle) == 0) {
+                // break;
+                goto error;
+            }
         }
         else
         {//读取一个字节数据
           uart_485_buffer[uart_485_data_len] = ptz_uart_dev_in_char(uart_485_handle);
           uart_485_data_len++;
           uart_485_timer = 0;
-          if(uart_485_data_len % 100 == 0 && uart_485_data_len > 0)
-          {
-            OSTimeDlyHMSM(0u, 0u, 0u, 2u);
-          }
-          if(uart_485_data_len >= 7)
-          {
-            if(ptz_data_pack_pelco_d_check(pack_pelco_d) == 1)
-            {//成功读取一帧派尔高D协议或者自定义类似派尔高D协议，长度7字节
-              break;
+        //   if(uart_485_data_len % 100 == 0 && uart_485_data_len > 0)
+        //   {
+        //     OSTimeDlyHMSM(0u, 0u, 0u, 2u);
+        //   }
+            if(uart_485_data_len >= 7) {
+                if(ptz_data_pack_pelco_d_check(pack_pelco_d) == 1) {//成功读取一帧派尔高D协议或者自定义类似派尔高D协议，长度7字节
+                    break;
+                }
+                else {
+                    memcpy(uart_485_buffer, uart_485_buffer + 1, uart_485_data_len);
+                    uart_485_data_len = uart_485_data_len - 1;
+                }
             }
-          }
-          if(uart_485_data_len >= (sizeof(PTZ_DATA_PACK_A) + sizeof(unsigned int)))
-          {
-            ptz_reply(uart_485_handle, CMD_WRONG);
-            if(ptz_data_pack_a_check(pack_a) == 1)
-            {//成功读取一帧自定义超长度协议
-              break;
-            }
-          }
-          if(uart_485_data_len >= PTZ_UART_485_BUFF_SIZE)
-          {
-            break;
-          }
+        //   if(uart_485_data_len >= (sizeof(PTZ_DATA_PACK_A) + sizeof(unsigned int)))
+        //   {
+        //     ptz_reply(uart_485_handle, CMD_WRONG);
+        //     if(ptz_data_pack_a_check(pack_a) == 1)
+        //     {//成功读取一帧自定义超长度协议
+        //       break;
+        //     }
+        //   }
+        //   if(uart_485_data_len >= PTZ_UART_485_BUFF_SIZE)
+        //   {
+        //     break;
+        //   }
         }
       }
       uart_485_timer = 0;
@@ -2243,22 +2250,27 @@ static void ptz_uart_485_data_process_task()
     //处理串口数据
     if(uart_485_state == PTZ_UART_HAND_STATE)
     {
-       if(uart_485_data_len > 7)
-       {//不定长数据处理，该数据每一帧都超过7个字节
-         ptz_data_pack_a_process(PTZ_UART_485, (PTZ_DATA_PACK_A *)uart_485_buffer);
-//         ptz_reply(PTZ_UART_485, CMD_WRONG);                        
-       }
-       else
-       {//7个字节的派尔高D数据以及7个字节自定义类派尔高D数据处理
-         ptz_data_pack_process(PTZ_UART_485, (PTZ_DATA_PACK *)uart_485_buffer);
-       }       
+//        if(uart_485_data_len > 7)
+//        {//不定长数据处理，该数据每一帧都超过7个字节
+//          ptz_data_pack_a_process(PTZ_UART_485, (PTZ_DATA_PACK_A *)uart_485_buffer);
+// //         ptz_reply(PTZ_UART_485, CMD_WRONG);                        
+//        }
+//        else
+//        {//7个字节的派尔高D数据以及7个字节自定义类派尔高D数据处理
+//          ptz_data_pack_process(PTZ_UART_485, (PTZ_DATA_PACK *)uart_485_buffer);
+//        }    
+        ptz_data_pack_process(PTZ_UART_485, (PTZ_DATA_PACK *)uart_485_buffer);
        memset(uart_485_buffer, 0, sizeof(uart_485_buffer));
        uart_485_data_len = 0;
        uart_485_timer = 0;
        uart_485_state = PTZ_UART_FREE_STATE;
     }
 
-    OSTimeDlyHMSM(0u, 0u, 0u, 5u);  
+error:
+    // OSTimeDlyHMSM(0u, 0u, 0u, 2u);
+    if (ptz_uart_dev_char_present(uart_485_handle) == 0) {
+        OSTimeDlyHMSM(0u, 0u, 0u, 2u);
+    }
   }
 }