新增destory生命周期销毁订阅对象

src/components/avue-custom-form/avue-custom-form.vue

@@ -192,7 +192,7 @@ export default class AvueCustomForm extends Vue {
       if (this.url && this.options == null) {
         const get: Promise<any> = this.$http.get(this.url);
         get.then((response: any) => {
-          if (response && response.data && response.data.view_config) {
+          if (response && response.data) {
             that.formOption = JSON.parse(response.data);
             if (this.isFormData) that.getFormData();
           }
@@ -243,5 +243,17 @@ export default class AvueCustomForm extends Vue {
     if (this.isParseString) this.$emit("change", JSON.stringify(value));
     else this.$emit("change", value);
   }
+
+  /**
+   * 销毁组件(vue生命周期)
+   *
+   * @type {Subject<any>}
+   * @memberof AvueCustomForm
+   */
+  public destroy(){
+    if(this.formStateEvent){
+        this.formStateEvent.unsubscribe();
+    }
+  }
 }
 </script>
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