fix bug

liuxiaolong

2019-05-29 fe064f3a5eab46db764717a97441d33b5612490c

fix bug

 esutil/EsClient.go

@@ -105,7 +105,7 @@
            source["videoNum"] = getVideoUrl(source)
            picDate := source["picDate"].(string)
            lastIdx := strings.LastIndex(picDate,":")
            picDateStr := picDate[:lastIdx-1]
            picDateStr := picDate[:lastIdx]
            fmt.Println("picDate: ", picDateStr)
            if err == nil {
                source["picDate"] = picDateStr