diff --git a/Global/Global.c b/Global/Global.c
index 40ea37e..113b8b2 100644
--- a/Global/Global.c
+++ b/Global/Global.c
@@ -96,7 +96,8 @@ const Touch_AreaTypeDef Touch_Areas[] =
     { 185,  239,  280,  319,   0, UI0902_NAV_SETTING,   GUI_NAV_BAR, NULL },
 };
 
-int16_t MIC_VOL_MAP[10]= {-9000,-7000,-5000,-3000,-1000,1000,3000,5000,7000,9000};
+/* 推子 0~10 共 11 档；档10 取 AW816 上限附近 */
+int16_t MIC_VOL_MAP[11]= {-9000,-7000,-5000,-3000,-1000,1000,3000,5000,7000,9000,1200};
 
 uint8_t TOUCH_AREA_NUM = (sizeof(Touch_Areas)/sizeof(Touch_AreaTypeDef));
 
diff --git a/Global/Global.h b/Global/Global.h
index 955d255..1087ac1 100644
--- a/Global/Global.h
+++ b/Global/Global.h
@@ -177,7 +177,7 @@ extern uint8_t key_toggle[4];
 
 extern bool StartFlag;
 
-extern int16_t MIC_VOL_MAP[10];
+extern int16_t MIC_VOL_MAP[11];
 extern const uint8_t Version[3];
 extern uint8_t AutoCloseTime;
 extern uint16_t mAutoPowerOffCount;
diff --git a/UI/UI_Idle.c b/UI/UI_Idle.c
index 77e1590..9de7e4d 100644
--- a/UI/UI_Idle.c
+++ b/UI/UI_Idle.c
@@ -106,7 +106,7 @@ extern uint8_t channel;
 extern uint8_t level;
 extern bool powon;
 extern bool InModeFlag;
-extern int16_t MIC_VOL_MAP[10];
+extern int16_t MIC_VOL_MAP[11];
 extern int8_t delta;
 extern STRING_MIDI USE_MIDI;
 void LoadConfig(void)
diff --git a/UI/UI_Mixer.c b/UI/UI_Mixer.c
index f656f59..0dbe1d4 100644
--- a/UI/UI_Mixer.c
+++ b/UI/UI_Mixer.c
@@ -34,28 +34,22 @@ void DrawFader(Fader_t *f)
     f->prev_slider_y = slider_y;
 }
 
+/* 四路推子写入 NVM 参数（仅 RAM；落盘由 save 调用方决定） */
+static void SyncMixerFadersToNvm(void)
+{
+    NvmParam_Type *nvm = drv_nvm_param_ptr();
+    nvm->param.BandVol   = faders[0].val;
+    nvm->param.StringVol = faders[1].val;
+    nvm->param.MIcVol    = faders[2].val;
+    nvm->param.MicRev    = faders[3].val;
+}
+
 void DrawAllFaders(void)
 {
-	NvmParam_Type * nvm = drv_nvm_param_ptr();
     for (int i = 0; i < 4; i++) {
         DrawFader(&faders[i]);
     }
-    if(nvm->param.BandVol != faders[0].val)
-    {
-    	nvm->param.BandVol = faders[0].val;
-    }
-    if(nvm->param.StringVol != faders[1].val)
-    {
-            nvm->param.StringVol = faders[1].val;
-    }
-    if(nvm->param.MIcVol != faders[2].val)
-    {
-    	nvm->param.MIcVol = faders[2].val;
-    }
-    if(nvm->param.MicRev != faders[3].val)
-    {
-            nvm->param.MicRev = faders[3].val;
-    }
+    SyncMixerFadersToNvm();
     drv_nvm_save_to_flash();
 }
 
@@ -150,6 +144,8 @@ void UpdateFaderByTouch(int idx, uint16_t y)
         AW816_Set_Reverb(f->val * 10);
         break;
     }
+    /* 即时生效同时更新 NVM 镜像；返回/关机时落盘 */
+    SyncMixerFadersToNvm();
 }
 
 // ============================================================
@@ -214,8 +210,11 @@ void UI_Mixer_Process(DisplayTaskMessage_Type msg)
          if( tx >= Touch_Mixer_Areas[i].x_min && tx <= Touch_Mixer_Areas[i].x_max &&
              ty >= Touch_Mixer_Areas[i].y_min && ty <= Touch_Mixer_Areas[i].y_max )
          {
-             if (Touch_Mixer_Areas[i].ID == GUI_CANCEL)
+             if (Touch_Mixer_Areas[i].ID == GUI_CANCEL) {
+                 SyncMixerFadersToNvm();
+                 drv_nvm_save_to_flash();
                  MenuPage_SystemSetting_Proc();
+             }
              break;
          }
        }