fix tinymce bug

src/components/Tinymce/index.vue

@@ -47,7 +47,7 @@ export default {
   watch: {
     value(val) {
       if (!this.hasChange && this.hasInit) {
-        this.$nextTick(() => window.tinymce.get(this.id).setContent(val))
+        this.$nextTick(() => window.tinymce.get(this.tinymceId).setContent(val))
       }
     }
   },