diff --git a/packages/uni-app-plus/dist/index.js b/packages/uni-app-plus/dist/index.js
index 82621c603b675a5e9b57b97e3dbbd0dec6aa401d..3787315533d76a35020aadec3a1d3db96f281689 100644
--- a/packages/uni-app-plus/dist/index.js
+++ b/packages/uni-app-plus/dist/index.js
@@ -270,10 +270,12 @@ const customize = cached((str) => {
 });
 
 function initTriggerEvent (mpInstance) {
-  const oldTriggerEvent = mpInstance.triggerEvent;
-  mpInstance.triggerEvent = function (event, ...args) {
-    return oldTriggerEvent.apply(mpInstance, [customize(event), ...args])
-  };
+  if (wx.canIUse('nextTick')) { // 微信旧版本基础库不支持重写triggerEvent
+    const oldTriggerEvent = mpInstance.triggerEvent;
+    mpInstance.triggerEvent = function (event, ...args) {
+      return oldTriggerEvent.apply(mpInstance, [customize(event), ...args])
+    };
+  }
 }
 
 Page = function (options = {}) {
@@ -412,11 +414,18 @@ function wrapper$1 (event) {
   event.preventDefault = noop;
 
   event.target = event.target || {};
-  event.detail = event.detail || {};
+
+  if (!hasOwn(event, 'detail')) {
+    event.detail = {};
+  }
 
   // TODO 又得兼容 mpvue 的 mp 对象
   event.mp = event;
-  event.target = Object.assign({}, event.target, event.detail);
+
+  if (isPlainObject(event.detail)) {
+    event.target = Object.assign({}, event.target, event.detail);
+  }
+
   return event
 }
 
@@ -489,15 +498,15 @@ function processEventExtra (vm, extra) {
 }
 
 function processEventArgs (vm, event, args = [], extra = [], isCustom, methodName) {
+  let isCustomMPEvent = false; // wxcomponent 组件，传递原始 event 对象
   if (isCustom) { // 自定义事件
-    if (
-      event.currentTarget &&
+    isCustomMPEvent = event.currentTarget &&
             event.currentTarget.dataset &&
-            event.currentTarget.dataset.comType === 'wx'
-    ) { // wxcomponent 原生组件，传递原始 event 对象
-      return [event]
-    }
-    if (!args.length) { // 无参数，直接传入 detail 数组
+            event.currentTarget.dataset.comType === 'wx';
+    if (!args.length) { // 无参数，直接传入 event 或 detail 数组
+      if (isCustomMPEvent) {
+        return [event]
+      }
       return event.detail
     }
   }
@@ -510,7 +519,11 @@ function processEventArgs (vm, event, args = [], extra = [], isCustom, methodNam
       if (methodName === '__set_model' && !isCustom) { // input v-model value
         ret.push(event.target.value);
       } else {
-        ret.push(isCustom ? event.detail[0] : event);
+        if (isCustom && !isCustomMPEvent) {
+          ret.push(event.detail[0]);
+        } else { // wxcomponent 组件或内置组件
+          ret.push(event);
+        }
       }
     } else {
       if (typeof arg === 'string' && hasOwn(extraObj, arg)) {
diff --git a/packages/uni-app-plus/package.json b/packages/uni-app-plus/package.json
index 7cfe670af02ba29208a7d46218f81fb6ee3f3c1c..1578bc8cbf040aca16ddc835af3036e7a4e99e15 100644
--- a/packages/uni-app-plus/package.json
+++ b/packages/uni-app-plus/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "@dcloudio/uni-app-plus",
-	"version": "0.0.211",
+	"version": "0.0.212",
 	"description": "uni-app app-plus",
 	"main": "dist/index.js",
 	"scripts": {
diff --git a/packages/uni-mp-weixin/dist/index.js b/packages/uni-mp-weixin/dist/index.js
index da9b3d5cc02e3cf475ee04c868fe62f5df47bed7..d79d68705bedb3150291dcecd964b45544dbb819 100644
--- a/packages/uni-mp-weixin/dist/index.js
+++ b/packages/uni-mp-weixin/dist/index.js
@@ -297,10 +297,12 @@ const customize = cached((str) => {
 });
 
 function initTriggerEvent (mpInstance) {
-  const oldTriggerEvent = mpInstance.triggerEvent;
-  mpInstance.triggerEvent = function (event, ...args) {
-    return oldTriggerEvent.apply(mpInstance, [customize(event), ...args])
-  };
+  if (wx.canIUse('nextTick')) { // 微信旧版本基础库不支持重写triggerEvent
+    const oldTriggerEvent = mpInstance.triggerEvent;
+    mpInstance.triggerEvent = function (event, ...args) {
+      return oldTriggerEvent.apply(mpInstance, [customize(event), ...args])
+    };
+  }
 }
 
 Page = function (options = {}) {
@@ -439,11 +441,18 @@ function wrapper$1 (event) {
   event.preventDefault = noop;
 
   event.target = event.target || {};
-  event.detail = event.detail || {};
+
+  if (!hasOwn(event, 'detail')) {
+    event.detail = {};
+  }
 
   // TODO 又得兼容 mpvue 的 mp 对象
   event.mp = event;
-  event.target = Object.assign({}, event.target, event.detail);
+
+  if (isPlainObject(event.detail)) {
+    event.target = Object.assign({}, event.target, event.detail);
+  }
+
   return event
 }
 
@@ -516,15 +525,15 @@ function processEventExtra (vm, extra) {
 }
 
 function processEventArgs (vm, event, args = [], extra = [], isCustom, methodName) {
+  let isCustomMPEvent = false; // wxcomponent 组件，传递原始 event 对象
   if (isCustom) { // 自定义事件
-    if (
-      event.currentTarget &&
+    isCustomMPEvent = event.currentTarget &&
             event.currentTarget.dataset &&
-            event.currentTarget.dataset.comType === 'wx'
-    ) { // wxcomponent 原生组件，传递原始 event 对象
-      return [event]
-    }
-    if (!args.length) { // 无参数，直接传入 detail 数组
+            event.currentTarget.dataset.comType === 'wx';
+    if (!args.length) { // 无参数，直接传入 event 或 detail 数组
+      if (isCustomMPEvent) {
+        return [event]
+      }
       return event.detail
     }
   }
@@ -537,7 +546,11 @@ function processEventArgs (vm, event, args = [], extra = [], isCustom, methodNam
       if (methodName === '__set_model' && !isCustom) { // input v-model value
         ret.push(event.target.value);
       } else {
-        ret.push(isCustom ? event.detail[0] : event);
+        if (isCustom && !isCustomMPEvent) {
+          ret.push(event.detail[0]);
+        } else { // wxcomponent 组件或内置组件
+          ret.push(event);
+        }
       }
     } else {
       if (typeof arg === 'string' && hasOwn(extraObj, arg)) {
diff --git a/packages/uni-mp-weixin/package.json b/packages/uni-mp-weixin/package.json
index f4c196fe44c784b5237dc528aac0c02a0af83b2c..bb95b15dbcad12a9fe4754e609fa650d82ef95d7 100644
--- a/packages/uni-mp-weixin/package.json
+++ b/packages/uni-mp-weixin/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "@dcloudio/uni-mp-weixin",
-	"version": "0.0.930",
+	"version": "0.0.931",
 	"description": "uni-app mp-weixin",
 	"main": "dist/index.js",
 	"scripts": {
diff --git a/src/core/runtime/wrapper/util.js b/src/core/runtime/wrapper/util.js
index c966919e4ef0cb27799c2d76d9e0c830fb197a61..25ce4758479838940c1de0f02d7be640f7269d4e 100644
--- a/src/core/runtime/wrapper/util.js
+++ b/src/core/runtime/wrapper/util.js
@@ -114,17 +114,28 @@ function wrapper (event) {
   event.preventDefault = noop
 
   event.target = event.target || {}
-  event.detail = event.detail || {}
+
+  if (!hasOwn(event, 'detail')) {
+    event.detail = {}
+  }
 
   if (__PLATFORM__ === 'mp-baidu') { // mp-baidu，checked=>value
-    if (hasOwn(event.detail, 'checked') && !hasOwn(event.detail, 'value')) {
+    if (
+      isPlainObject(event.detail) &&
+            hasOwn(event.detail, 'checked') &&
+            !hasOwn(event.detail, 'value')
+    ) {
       event.detail.value = event.detail.checked
     }
   }
 
   // TODO 又得兼容 mpvue 的 mp 对象
   event.mp = event
-  event.target = Object.assign({}, event.target, event.detail)
+
+  if (isPlainObject(event.detail)) {
+    event.target = Object.assign({}, event.target, event.detail)
+  }
+
   return event
 }
 
@@ -197,15 +208,15 @@ function processEventExtra (vm, extra) {
 }
 
 function processEventArgs (vm, event, args = [], extra = [], isCustom, methodName) {
+  let isCustomMPEvent = false // wxcomponent 组件，传递原始 event 对象
   if (isCustom) { // 自定义事件
-    if (
-      event.currentTarget &&
+    isCustomMPEvent = event.currentTarget &&
             event.currentTarget.dataset &&
             event.currentTarget.dataset.comType === 'wx'
-    ) { // wxcomponent 原生组件，传递原始 event 对象
-      return [event]
-    }
-    if (!args.length) { // 无参数，直接传入 detail 数组
+    if (!args.length) { // 无参数，直接传入 event 或 detail 数组
+      if (isCustomMPEvent) {
+        return [event]
+      }
       return event.detail
     }
   }
@@ -218,7 +229,11 @@ function processEventArgs (vm, event, args = [], extra = [], isCustom, methodNam
       if (methodName === '__set_model' && !isCustom) { // input v-model value
         ret.push(event.target.value)
       } else {
-        ret.push(isCustom ? event.detail[0] : event)
+        if (isCustom && !isCustomMPEvent) {
+          ret.push(event.detail[0])
+        } else { // wxcomponent 组件或内置组件
+          ret.push(event)
+        }
       }
     } else {
       if (typeof arg === 'string' && hasOwn(extraObj, arg)) {
diff --git a/src/platforms/mp-weixin/runtime/index.js b/src/platforms/mp-weixin/runtime/index.js
index f722360df0f3fa97818d50280eebe4becd359979..00832b87323d71205efb87fca02922f9c1498d93 100644
--- a/src/platforms/mp-weixin/runtime/index.js
+++ b/src/platforms/mp-weixin/runtime/index.js
@@ -13,9 +13,11 @@ const customize = cached((str) => {
 })
 
 function initTriggerEvent (mpInstance) {
-  const oldTriggerEvent = mpInstance.triggerEvent
-  mpInstance.triggerEvent = function (event, ...args) {
-    return oldTriggerEvent.apply(mpInstance, [customize(event), ...args])
+  if (wx.canIUse('nextTick')) { // 微信旧版本基础库不支持重写triggerEvent
+    const oldTriggerEvent = mpInstance.triggerEvent
+    mpInstance.triggerEvent = function (event, ...args) {
+      return oldTriggerEvent.apply(mpInstance, [customize(event), ...args])
+    }
   }
 }