fix[litemall-wx]: 用户没有填写关键字，则采用默认关键字。

eb499e85 · Junling Bu · b23e6190 · eb499e85
Commit eb499e85 authored Apr 01, 2018 by Junling Bu
--- a/litemall-wx/pages/search/search.js
+++ b/litemall-wx/pages/search/search.js
@@ -108,7 +108,7 @@ Page({
  },
  getSearchResult(keyword) {
    if(keyword === ''){
-      return
+      keyword = this.data.defaultKeyword.keyword;
    }
    this.setData({
      keyword: keyword,