diff --git a/packages/uni-app-plus/dist/index.js b/packages/uni-app-plus/dist/index.js
index c1b2db5724fc40c2208ed0653c2080517a5d095e..2d00f4ede1e9bb532a17a9aab68c478c362d9161 100644
--- a/packages/uni-app-plus/dist/index.js
+++ b/packages/uni-app-plus/dist/index.js
@@ -1429,7 +1429,10 @@ function getEventChannel (id) {
 
 function createApp (vm) {
   Vue.prototype.getOpenerEventChannel = function () {
-    return this.__eventChannel__ || new EventChannel()
+    if (!this.__eventChannel__) {
+      this.__eventChannel__ = new EventChannel();
+    }
+    return this.__eventChannel__
   };
   const callHook = Vue.prototype.__call_hook;
   Vue.prototype.__call_hook = function (hook, args) {
diff --git a/packages/uni-mp-alipay/dist/index.js b/packages/uni-mp-alipay/dist/index.js
index 38b1b8da2b3390e4328998cb3c0e5c2f9b7a3be1..2e2d94e5a7a9c9ffa04148cd9af4b0f9245eda4a 100644
--- a/packages/uni-mp-alipay/dist/index.js
+++ b/packages/uni-mp-alipay/dist/index.js
@@ -430,11 +430,13 @@ const eventChannelStack = [];
 
 let id = 0;
 
-function initEventChannel (events) {
+function initEventChannel (events, cache = true) {
   id++;
   const eventChannel = new EventChannel(id, events);
-  eventChannels[id] = eventChannel;
-  eventChannelStack.push(eventChannel);
+  if (cache) {
+    eventChannels[id] = eventChannel;
+    eventChannelStack.push(eventChannel);
+  }
   return eventChannel
 }
 
@@ -2186,7 +2188,10 @@ function parseApp (vm) {
 
 function createApp (vm) {
   Vue.prototype.getOpenerEventChannel = function () {
-    return this.__eventChannel__ || new EventChannel()
+    if (!this.__eventChannel__) {
+      this.__eventChannel__ = new EventChannel();
+    }
+    return this.__eventChannel__
   };
   const callHook = Vue.prototype.__call_hook;
   Vue.prototype.__call_hook = function (hook, args) {
diff --git a/packages/uni-mp-baidu/dist/index.js b/packages/uni-mp-baidu/dist/index.js
index 8717ac122b339d99c9758bacccca5b68751355cc..5ac51b5c8c93de83494b0e2750fd68f54c3cf5ed 100644
--- a/packages/uni-mp-baidu/dist/index.js
+++ b/packages/uni-mp-baidu/dist/index.js
@@ -430,11 +430,13 @@ const eventChannelStack = [];
 
 let id = 0;
 
-function initEventChannel (events) {
+function initEventChannel (events, cache = true) {
   id++;
   const eventChannel = new EventChannel(id, events);
-  eventChannels[id] = eventChannel;
-  eventChannelStack.push(eventChannel);
+  if (cache) {
+    eventChannels[id] = eventChannel;
+    eventChannelStack.push(eventChannel);
+  }
   return eventChannel
 }
 
@@ -1626,7 +1628,10 @@ function parseApp (vm) {
 
 function createApp (vm) {
   Vue.prototype.getOpenerEventChannel = function () {
-    return this.__eventChannel__ || new EventChannel()
+    if (!this.__eventChannel__) {
+      this.__eventChannel__ = new EventChannel();
+    }
+    return this.__eventChannel__
   };
   const callHook = Vue.prototype.__call_hook;
   Vue.prototype.__call_hook = function (hook, args) {
diff --git a/packages/uni-mp-qq/dist/index.js b/packages/uni-mp-qq/dist/index.js
index 5235c9a378a1da312d57efc8f32fcc72c7424a38..1880b8c006ac333857ead904e991df65570de1aa 100644
--- a/packages/uni-mp-qq/dist/index.js
+++ b/packages/uni-mp-qq/dist/index.js
@@ -430,11 +430,13 @@ const eventChannelStack = [];
 
 let id = 0;
 
-function initEventChannel (events) {
+function initEventChannel (events, cache = true) {
   id++;
   const eventChannel = new EventChannel(id, events);
-  eventChannels[id] = eventChannel;
-  eventChannelStack.push(eventChannel);
+  if (cache) {
+    eventChannels[id] = eventChannel;
+    eventChannelStack.push(eventChannel);
+  }
   return eventChannel
 }
 
@@ -1540,7 +1542,10 @@ function parseApp$1 (vm) {
 
 function createApp (vm) {
   Vue.prototype.getOpenerEventChannel = function () {
-    return this.__eventChannel__ || new EventChannel()
+    if (!this.__eventChannel__) {
+      this.__eventChannel__ = new EventChannel();
+    }
+    return this.__eventChannel__
   };
   const callHook = Vue.prototype.__call_hook;
   Vue.prototype.__call_hook = function (hook, args) {
diff --git a/packages/uni-mp-toutiao/dist/index.js b/packages/uni-mp-toutiao/dist/index.js
index 4b6e2a088e35bb65d7852014e492b4c0f022babb..09fa3f20aa6114176713ea8680a6a396f0e643dc 100644
--- a/packages/uni-mp-toutiao/dist/index.js
+++ b/packages/uni-mp-toutiao/dist/index.js
@@ -430,11 +430,13 @@ const eventChannelStack = [];
 
 let id = 0;
 
-function initEventChannel (events) {
+function initEventChannel (events, cache = true) {
   id++;
   const eventChannel = new EventChannel(id, events);
-  eventChannels[id] = eventChannel;
-  eventChannelStack.push(eventChannel);
+  if (cache) {
+    eventChannels[id] = eventChannel;
+    eventChannelStack.push(eventChannel);
+  }
   return eventChannel
 }
 
@@ -1712,7 +1714,10 @@ function parseApp (vm) {
 
 function createApp (vm) {
   Vue.prototype.getOpenerEventChannel = function () {
-    return this.__eventChannel__ || new EventChannel()
+    if (!this.__eventChannel__) {
+      this.__eventChannel__ = new EventChannel();
+    }
+    return this.__eventChannel__
   };
   const callHook = Vue.prototype.__call_hook;
   Vue.prototype.__call_hook = function (hook, args) {
diff --git a/packages/uni-mp-weixin/dist/index.js b/packages/uni-mp-weixin/dist/index.js
index 3c62ba816acec5276af2b474595f833c8c5f05bb..d9a6178bdb895f923e57db7379ffa59283dbb5a3 100644
--- a/packages/uni-mp-weixin/dist/index.js
+++ b/packages/uni-mp-weixin/dist/index.js
@@ -430,11 +430,13 @@ const eventChannelStack = [];
 
 let id = 0;
 
-function initEventChannel (events) {
+function initEventChannel (events, cache = true) {
   id++;
   const eventChannel = new EventChannel(id, events);
-  eventChannels[id] = eventChannel;
-  eventChannelStack.push(eventChannel);
+  if (cache) {
+    eventChannels[id] = eventChannel;
+    eventChannelStack.push(eventChannel);
+  }
   return eventChannel
 }
 
@@ -1493,7 +1495,10 @@ function parseApp (vm) {
 
 function createApp (vm) {
   Vue.prototype.getOpenerEventChannel = function () {
-    return this.__eventChannel__ || new EventChannel()
+    if (!this.__eventChannel__) {
+      this.__eventChannel__ = new EventChannel();
+    }
+    return this.__eventChannel__
   };
   const callHook = Vue.prototype.__call_hook;
   Vue.prototype.__call_hook = function (hook, args) {
diff --git a/packages/uni-quickapp-webview/dist/index.js b/packages/uni-quickapp-webview/dist/index.js
index 07fb23f8b68ef709dc81c0e582baf114bf8109f9..5eec8463ba9d7610a94aa66e4b58523fac344995 100644
--- a/packages/uni-quickapp-webview/dist/index.js
+++ b/packages/uni-quickapp-webview/dist/index.js
@@ -430,11 +430,13 @@ const eventChannelStack = [];
 
 let id = 0;
 
-function initEventChannel (events) {
+function initEventChannel (events, cache = true) {
   id++;
   const eventChannel = new EventChannel(id, events);
-  eventChannels[id] = eventChannel;
-  eventChannelStack.push(eventChannel);
+  if (cache) {
+    eventChannels[id] = eventChannel;
+    eventChannelStack.push(eventChannel);
+  }
   return eventChannel
 }
 
@@ -1543,7 +1545,10 @@ function parseApp (vm) {
 
 function createApp (vm) {
   Vue.prototype.getOpenerEventChannel = function () {
-    return this.__eventChannel__ || new EventChannel()
+    if (!this.__eventChannel__) {
+      this.__eventChannel__ = new EventChannel();
+    }
+    return this.__eventChannel__
   };
   const callHook = Vue.prototype.__call_hook;
   Vue.prototype.__call_hook = function (hook, args) {