fix bug

liuxiaolong

2019-05-29 edbb60128b0bf53e735d62feab38b5d7f42be7f0

 esutil/EsClient.go

@@ -111,7 +111,6 @@
         picDate := source["picDate"].(string)
         lastIdx := strings.LastIndex(picDate,":")
         picDateStr := picDate[:lastIdx]
         fmt.Println("picDate: ", picDateStr)
         if err == nil {
            source["picDate"] = picDateStr
         }