Merge branch 'develop'

Author: mqhe2007

package.json

@@ -1,6 +1,6 @@
 {
   "name": "vue-module-loader",
-  "version": "1.0.2",
+  "version": "1.0.3",
   "description": "Let you use the micro front-end architecture to build Vue applications.",
   "author": "mqhe2007 <122274389@qq.com>",
   "homepage": "https://mengqinghe.com",

src/ability/eventBus.js

@@ -7,6 +7,10 @@ export default function() {
      * @param {any} payload 事件载荷
      */
     emit(eventName, payload) {
+      if (!events[eventName])
+        return console.warn(
+          `${eventName}事件触发了，但是没有监听者，什么都不会发生。`
+        )
       for (let func of events[eventName].values()) {
         func(payload)
       }