fix bug

liuxiaolong

2019-05-29 edbb60128b0bf53e735d62feab38b5d7f42be7f0

fix bug

 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
            }