Merge branch 'dev' of http://git.ycjcjy.com/zhiyuxing/miniapp-v3 into dev

src/utils/im.js

@@ -159,7 +159,7 @@ class IMManager {
   }
 
   onMessage(callback, isIMPage) {
-    if (isIMPage) {
+    if (!isIMPage) {
       this.messageListeners = [callback]
     } else {
       this.imMessageListener = callback