diff --git a/TUICallKit-Vue3/manifest.json b/TUICallKit-Vue3/manifest.json
index 5389584a..642f8e7d 100644
--- a/TUICallKit-Vue3/manifest.json
+++ b/TUICallKit-Vue3/manifest.json
@@ -57,7 +57,9 @@
         "optimization" : {
             "subPackages" : true
         },
-        "usingComponents" : true
+        "usingComponents" : true,
+        /* 节拍器后台播放需要,iOS 必需 */
+        "requiredBackgroundModes" : ["audio"]
     },
     "mp-alipay" : {
         "usingComponents" : true
diff --git a/TUICallKit-Vue3/pages.json b/TUICallKit-Vue3/pages.json
index 8fe89074..229719a4 100644
--- a/TUICallKit-Vue3/pages.json
+++ b/TUICallKit-Vue3/pages.json
@@ -122,7 +122,8 @@
 						"navigationBarBackgroundColor": "#f8fafc",
 						"navigationBarTextStyle": "black",
 						"backgroundColor": "#f8fafc",
-						"disableScroll": true
+						"disableScroll": true,
+						"requiredBackgroundModes": ["audio"]
 					}
 				}
 			]
diff --git a/TUICallKit-Vue3/training/pages/metronome.vue b/TUICallKit-Vue3/training/pages/metronome.vue
index 023797ee..3f8bda59 100644
--- a/TUICallKit-Vue3/training/pages/metronome.vue
+++ b/TUICallKit-Vue3/training/pages/metronome.vue
@@ -244,14 +244,21 @@ onShow(() => {
     preload()
 })
 
+/**
+ * onHide 故意不 stop:
+ *   - 切到后台 / 微信"小窗" 都会触发 onHide
+ *   - 配合 pages.json 的 requiredBackgroundModes:["audio"],
+ *     小程序退到后台后节拍声仍然可以继续(健走时把手机放兜里也能听到响)
+ *   - 真正离开节拍器页(navigateBack/重启) 会 onUnload+onUnmounted,
+ *     在那里清理屏幕常亮
+ */
 onHide(() => {
-    if (isPlaying.value) {
-        stop()
-        uni.setKeepScreenOn({ keepScreenOn: false })
-    }
+    /* 不再主动 stop, 让节拍器在后台继续工作 */
 })
 
 onUnmounted(() => {
+    /* 页面卸载才真正停 + 释放屏幕常亮 */
+    if (isPlaying.value) stop()
     uni.setKeepScreenOn({ keepScreenOn: false })
 })
 </script>