[多封面图][修改]:admin端兼容处理

mallinkService/src/main/java/com/iformall/service/impl/WxCouponServiceImpl.java

@@ -1,6 +1,7 @@
 package com.iformall.service.impl;
 
 import com.alibaba.fastjson.JSON;
+import com.alibaba.fastjson.JSONArray;
 import com.alibaba.fastjson.JSONObject;
 import com.github.pagehelper.PageHelper;
 import com.github.pagehelper.PageInfo;
@@ -193,6 +194,11 @@ public class WxCouponServiceImpl implements WxCouponService {
         if (StringUtils.isNotEmpty(record.getSubsidyNumStr())) {
             record.setSubsidyNum(new BigDecimal(record.getSubsidyNumStr()).multiply(new BigDecimal(100)).intValue());
         }
+        if (StringUtils.isBlank(record.getCoverPicture())) {
+            List<String> strList = new ArrayList<String>();
+            strList.add(record.getCoverImg());
+            record.setCoverPicture(JSONArray.toJSONString(strList));
+        }
 
         if (record.getValidType() != null) {
             if (record.getValidType().equals(EnumCouponValidType.DAYS_AFTER_RECEIVING.getCode())) {