diff --git a/custom/custom_main/src/custom_main.c b/custom/custom_main/src/custom_main.c
index dd6418c..b2e9d95 100644
--- a/custom/custom_main/src/custom_main.c
+++ b/custom/custom_main/src/custom_main.c
@@ -155,7 +155,7 @@ void  my_appimg_enter(char *param){
     }
     local_tts_init();
     local_tts_mute(0);// 取消静音
-    local_tts_volume(40); // 设置音量为55
+    local_tts_volume(100); // 设置音量为55
     // local_tts_set(7, 7, CM_LOCAL_TTS_DIGIT_AUTO);
     local_tts_text_play("已开机",0,0);
 
diff --git a/custom/jt808/src/jt808_msg_parse.c b/custom/jt808/src/jt808_msg_parse.c
index c75cf09..20fa984 100644
--- a/custom/jt808/src/jt808_msg_parse.c
+++ b/custom/jt808/src/jt808_msg_parse.c
@@ -168,6 +168,8 @@ static int jt808_BodyParse(void *Prsmsg_body, PrsResult_t *Result){
             
             // 启动升级处理流程（同步执行）
             // start_upgrade_process(&Result->big_upgrade_info);
+            local_tts_text_play("软件升级流程开始，请勿断电",0,0);
+            local_tts_text_play("升级完成后会自动重启",0,0);
 			const char *url = Result->term_param_item->big_upgrade_info.file_path;
             if(!is_valid_url(url)) {
                   JT808_DEBUG("Invalid URL: %s\n", url);
@@ -216,7 +218,7 @@ static int jt808_BodyParse(void *Prsmsg_body, PrsResult_t *Result){
                        break;
                     }
             
-                osDelay(200/5);
+                osDelay(2000/5);
                 cm_fota_exec_upgrade();
             
 			}    
@@ -248,13 +250,13 @@ static int jt808_BodyParse(void *Prsmsg_body, PrsResult_t *Result){
 					local_tts_set(speed, volume, mode);
 				}else{
 					JT808_DEBUG("error speed or volume or mode\r\n");
-					local_tts_volume(50); // 设置音量大小
+					local_tts_volume(100); // 设置音量大小
 					local_tts_set(6, 7, CM_LOCAL_TTS_DIGIT_AUTO);
 					Result->Rsp_result = Msg_invalid;//消息有误
 				}
 			}else{
 				JT808_DEBUG("error speed or volume or mode\r\n");
-				local_tts_volume(80); // 设置音量大小
+				local_tts_volume(100); // 设置音量大小
 				local_tts_set(7, 15, CM_LOCAL_TTS_DIGIT_AUTO);
 				Result->Rsp_result = Msg_invalid;//消息有误
 			}
diff --git a/tools/adiff/system_new.img b/tools/adiff/system_new.img
index c80c46c..376377d 100644
Binary files a/tools/adiff/system_new.img and b/tools/adiff/system_new.img differ
diff --git a/tools/adiff/system_old.img b/tools/adiff/system_old.img
index c80c46c..376377d 100644
Binary files a/tools/adiff/system_old.img and b/tools/adiff/system_old.img differ
diff --git a/tools/adiff/system_patch.bin b/tools/adiff/system_patch.bin
index 3c00d03..481fffe 100644
Binary files a/tools/adiff/system_patch.bin and b/tools/adiff/system_patch.bin differ
diff --git a/tools/adiff/user_app.bin b/tools/adiff/user_app.bin
index 1e7fa67..e89713b 100644
Binary files a/tools/adiff/user_app.bin and b/tools/adiff/user_app.bin differ
diff --git a/tools/adiff/1.2.3/ML307A_DSLN_APP.zip b/tools/adiff/原始1.2.3/ML307A_DSLN_APP.zip
similarity index 99%
rename from tools/adiff/1.2.3/ML307A_DSLN_APP.zip
rename to tools/adiff/原始1.2.3/ML307A_DSLN_APP.zip
index 4179fbc..1c2374d 100644
Binary files a/tools/adiff/1.2.3/ML307A_DSLN_APP.zip and b/tools/adiff/原始1.2.3/ML307A_DSLN_APP.zip differ