diff --git a/packages/uni-app-plus/dist/index.js b/packages/uni-app-plus/dist/index.js
index 0547d3a2053961bc67cd3482c93b16592f125b8b..2edd4e894aea35c4a434d940e58386ab647e5870 100644
--- a/packages/uni-app-plus/dist/index.js
+++ b/packages/uni-app-plus/dist/index.js
@@ -1079,6 +1079,18 @@ function handleEvent (event) {
             handlerCtx.$parent.$parent
           ) { // mp-weixin,mp-toutiao 抽象节点模拟 scoped slots
             handlerCtx = handlerCtx.$parent.$parent;
+          }
+          if (methodName === '$emit') {
+            handlerCtx.$emit.apply(handlerCtx,
+              processEventArgs(
+                this.$vm,
+                event,
+                eventArray[1],
+                eventArray[2],
+                isCustom,
+                methodName
+              ));
+            return
           }
           const handler = handlerCtx[methodName];
           if (!isFn(handler)) {
diff --git a/packages/uni-mp-alipay/dist/index.js b/packages/uni-mp-alipay/dist/index.js
index eaceec18684a0e47b859ec8a4da0723fd94ceeaa..9cd0319afeb9224a7bfa036fdbbe54b8a7f2d518 100644
--- a/packages/uni-mp-alipay/dist/index.js
+++ b/packages/uni-mp-alipay/dist/index.js
@@ -1471,6 +1471,18 @@ function handleEvent (event) {
             handlerCtx.$parent.$parent
           ) { // mp-weixin,mp-toutiao 抽象节点模拟 scoped slots
             handlerCtx = handlerCtx.$parent.$parent;
+          }
+          if (methodName === '$emit') {
+            handlerCtx.$emit.apply(handlerCtx,
+              processEventArgs(
+                this.$vm,
+                event,
+                eventArray[1],
+                eventArray[2],
+                isCustom,
+                methodName
+              ));
+            return
           }
           const handler = handlerCtx[methodName];
           if (!isFn(handler)) {
diff --git a/packages/uni-mp-baidu/dist/index.js b/packages/uni-mp-baidu/dist/index.js
index 81a9ad4803a26c93054f90cc840b1a8267c7a5db..6b735d4e9828a8d7e5ee1f0d651f7adfe68570fc 100644
--- a/packages/uni-mp-baidu/dist/index.js
+++ b/packages/uni-mp-baidu/dist/index.js
@@ -1216,6 +1216,18 @@ function handleEvent (event) {
             handlerCtx.$parent.$parent
           ) { // mp-weixin,mp-toutiao 抽象节点模拟 scoped slots
             handlerCtx = handlerCtx.$parent.$parent;
+          }
+          if (methodName === '$emit') {
+            handlerCtx.$emit.apply(handlerCtx,
+              processEventArgs(
+                this.$vm,
+                event,
+                eventArray[1],
+                eventArray[2],
+                isCustom,
+                methodName
+              ));
+            return
           }
           const handler = handlerCtx[methodName];
           if (!isFn(handler)) {
@@ -1596,12 +1608,12 @@ function parsePage (vuePageOptions) {
     initRelation
   });
 
-  const newLifecycle = swan.canIUse('lifecycle-2-0');
-
   // 纠正百度小程序新生命周期(2.0)methods:onShow在methods:onLoad之前触发的问题
-  if (newLifecycle) {
-    delete pageOptions.methods.onShow;
-  }
+  pageOptions.methods.onShow = function onShow () {
+    if (this.$vm && this.$vm.$mp.query) {
+      this.$vm.__call_hook('onShow');
+    }
+  };
 
   pageOptions.methods.onLoad = function onLoad (args) {
     // 百度 onLoad 在 attached 之前触发，先存储 args, 在 attached 里边触发 onLoad
diff --git a/packages/uni-mp-qq/dist/index.js b/packages/uni-mp-qq/dist/index.js
index 50e52986beb6f6da659fbcaed8a40af716df3ba1..edfd191af674af3c66cac068387b71d24aa896df 100644
--- a/packages/uni-mp-qq/dist/index.js
+++ b/packages/uni-mp-qq/dist/index.js
@@ -1134,6 +1134,18 @@ function handleEvent (event) {
             handlerCtx.$parent.$parent
           ) { // mp-weixin,mp-toutiao 抽象节点模拟 scoped slots
             handlerCtx = handlerCtx.$parent.$parent;
+          }
+          if (methodName === '$emit') {
+            handlerCtx.$emit.apply(handlerCtx,
+              processEventArgs(
+                this.$vm,
+                event,
+                eventArray[1],
+                eventArray[2],
+                isCustom,
+                methodName
+              ));
+            return
           }
           const handler = handlerCtx[methodName];
           if (!isFn(handler)) {
diff --git a/packages/uni-mp-toutiao/dist/index.js b/packages/uni-mp-toutiao/dist/index.js
index 03827351fb09c745ecc283ff36cf83630885457d..9f7142b8aa3db1a2210324f00769dab12d8b767e 100644
--- a/packages/uni-mp-toutiao/dist/index.js
+++ b/packages/uni-mp-toutiao/dist/index.js
@@ -1226,6 +1226,18 @@ function handleEvent (event) {
             handlerCtx.$parent.$parent
           ) { // mp-weixin,mp-toutiao 抽象节点模拟 scoped slots
             handlerCtx = handlerCtx.$parent.$parent;
+          }
+          if (methodName === '$emit') {
+            handlerCtx.$emit.apply(handlerCtx,
+              processEventArgs(
+                this.$vm,
+                event,
+                eventArray[1],
+                eventArray[2],
+                isCustom,
+                methodName
+              ));
+            return
           }
           const handler = handlerCtx[methodName];
           if (!isFn(handler)) {
diff --git a/packages/uni-mp-weixin/dist/index.js b/packages/uni-mp-weixin/dist/index.js
index bfe222be78f748dfe6429776a32ce28eb90ab328..107520ea4321ee4a52648011380acc1be0a43870 100644
--- a/packages/uni-mp-weixin/dist/index.js
+++ b/packages/uni-mp-weixin/dist/index.js
@@ -1074,6 +1074,18 @@ function handleEvent (event) {
             handlerCtx.$parent.$parent
           ) { // mp-weixin,mp-toutiao 抽象节点模拟 scoped slots
             handlerCtx = handlerCtx.$parent.$parent;
+          }
+          if (methodName === '$emit') {
+            handlerCtx.$emit.apply(handlerCtx,
+              processEventArgs(
+                this.$vm,
+                event,
+                eventArray[1],
+                eventArray[2],
+                isCustom,
+                methodName
+              ));
+            return
           }
           const handler = handlerCtx[methodName];
           if (!isFn(handler)) {