From 65dcd1404abd08f5c9411cdb155db28645cf43db Mon Sep 17 00:00:00 2001
From: "daniel.xiao" <danieldx666@126.com>
Date: Mon, 24 Dec 2018 10:51:10 +0800
Subject: [PATCH] fix(ncform-common): avoid assigning a value to readonly
 this.$http

---
 packages/ncform-common/src/mixins/vue/control-mixin.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/packages/ncform-common/src/mixins/vue/control-mixin.js b/packages/ncform-common/src/mixins/vue/control-mixin.js
index 567827c..1352bd3 100755
--- a/packages/ncform-common/src/mixins/vue/control-mixin.js
+++ b/packages/ncform-common/src/mixins/vue/control-mixin.js
@@ -5,7 +5,9 @@ import ncformUtils from "../../ncform-utils";
 export default {
   created() {
 
-    this.$http = this.$http || this.$axios || this.axios || axios;
+    if (!this.$http) {
+      this.$http = this.$axios || this.axios || axios;
+    }
 
     this.$data.mergeConfig = extend(
       true,