新查询upc优化

platformapi/aliupcapi/aliupcapi.go

@@ -136,7 +136,7 @@ func (a *API) GetNetUpcInfo(bar string) (getNetUpcInfo *GetNetUpcInfoResult, err
 		getNetUpcInfo = &GetNetUpcInfoResult{}
 		body := result["fakeData"].(string)
 		if strings.Contains(body, "没有收录") {
-			return nil, err
+			return getNetUpcInfo, err
 		}
 		results := regexpUpc.FindAllStringSubmatch(body, -1)
 		getNetUpcInfo.Upc = results[0][1]