diff --git a/App/Src/frt_protocol.c b/App/Src/frt_protocol.c
index 3dea295..3818e81 100644
--- a/App/Src/frt_protocol.c
+++ b/App/Src/frt_protocol.c
@@ -1271,16 +1271,18 @@ void FRT_MsgProc_WriteRegister(device_handle device, void *pMsg)
 //    }
     
 //    发回数据
-    uint8_t Trans_data[6];
+    uint8_t Trans_data[8];
     Trans_data[0] = g_usrConfigInfo.addr;
     Trans_data[1] = data[1];
-    Trans_data[2] = start_reg_addr;
-    Trans_data[3] = reg_num;
+    Trans_data[2] = start_reg_addr >> 8;
+    Trans_data[3] = start_reg_addr;
+    Trans_data[4] = reg_num >> 8;
+    Trans_data[5] = reg_num;
     
-    return_crc_value = CRC16(Trans_data, 4);
-    Trans_data[4] = return_crc_value;
-    Trans_data[5] = return_crc_value >> 8;
-    uart_dev_write(device, Trans_data, 6);
+    return_crc_value = CRC16(Trans_data, 6);
+    Trans_data[6] = return_crc_value;
+    Trans_data[7] = return_crc_value >> 8;
+    uart_dev_write(device, Trans_data, 8);
     
     for(u_int16_t pos=0; pos <reg_num; pos++)
     {