diff --git a/src/modules/collector/stra/log.go b/src/modules/collector/stra/log.go
index ae0fc8b7..69cac11a 100644
--- a/src/modules/collector/stra/log.go
+++ b/src/modules/collector/stra/log.go
@@ -239,16 +239,16 @@ func GetPatAndTimeFormat(tf string) (string, string) {
 	var pat, timeFormat string
 	switch tf {
 	case "dd/mmm/yyyy:HH:MM:SS":
-		pat = `([012][0-9]|3[01])/[JFMASOND][a-z]{2}/(2[0-9]{3}):([01][0-9]|2[0-4])(:[012345][0-9]){2}`
+		pat = `([012][0-9]|3[01])/[JFMASONDjfmasond][a-zA-Z]{2}/(2[0-9]{3}):([01][0-9]|2[0-4])(:[012345][0-9]){2}`
 		timeFormat = "02/Jan/2006:15:04:05"
 	case "dd/mmm/yyyy HH:MM:SS":
-		pat = `([012][0-9]|3[01])/[JFMASOND][a-z]{2}/(2[0-9]{3})\s([01][0-9]|2[0-4])(:[012345][0-9]){2}`
+		pat = `([012][0-9]|3[01])/[JFMASONDjfmasond][a-zA-Z]{2}/(2[0-9]{3})\s([01][0-9]|2[0-4])(:[012345][0-9]){2}`
 		timeFormat = "02/Jan/2006 15:04:05"
 	case "yyyy-mm-ddTHH:MM:SS":
 		pat = `(2[0-9]{3})-(0[1-9]|1[012])-([012][0-9]|3[01])T([01][0-9]|2[0-4])(:[012345][0-9]){2}`
 		timeFormat = "2006-01-02T15:04:05"
 	case "dd-mmm-yyyy HH:MM:SS":
-		pat = `([012][0-9]|3[01])-[JFMASOND][a-z]{2}-(2[0-9]{3})\s([01][0-9]|2[0-4])(:[012345][0-9]){2}`
+		pat = `([012][0-9]|3[01])-[JFMASONDjfmasond][a-zA-Z]{2}-(2[0-9]{3})\s([01][0-9]|2[0-4])(:[012345][0-9]){2}`
 		timeFormat = "02-Jan-2006 15:04:05"
 	case "yyyy-mm-dd HH:MM:SS":
 		pat = `(2[0-9]{3})-(0[1-9]|1[012])-([012][0-9]|3[01])\s([01][0-9]|2[0-4])(:[012345][0-9]){2}`
@@ -260,7 +260,7 @@ func GetPatAndTimeFormat(tf string) (string, string) {
 		pat = `(2[0-9]{3})(0[1-9]|1[012])([012][0-9]|3[01])\s([01][0-9]|2[0-4])(:[012345][0-9]){2}`
 		timeFormat = "20060102 15:04:05"
 	case "mmm dd HH:MM:SS":
-		pat = `[JFMASOND][a-z]{2}\s+([1-9]|[1-2][0-9]|3[01])\s([01][0-9]|2[0-4])(:[012345][0-9]){2}`
+		pat = `[JFMASONDjfmasond][a-zA-Z]{2}\s+([1-9]|[1-2][0-9]|3[01])\s([01][0-9]|2[0-4])(:[012345][0-9]){2}`
 		timeFormat = "Jan 2 15:04:05"
 	case "mmdd HH:MM:SS":
 		pat = `(0[1-9]|1[012])([012][0-9]|3[01])\s([01][0-9]|2[0-4])(:[012345][0-9]){2}`
diff --git a/src/modules/transfer/config/config.go b/src/modules/transfer/config/config.go
index 85baddc7..eabcb96e 100644
--- a/src/modules/transfer/config/config.go
+++ b/src/modules/transfer/config/config.go
@@ -82,9 +82,9 @@ func Parse(conf string) error {
 	viper.SetDefault("backend", map[string]interface{}{
 		"enabled":      true,
 		"batch":        200, //每次拉取文件的个数
-		"replicas":     500, //一致性has虚拟节点
+		"replicas":     500, //一致性hash虚拟节点
 		"workerNum":    32,
-		"maxConns":     32,   //查询和推送数据的并发个数
+		"maxConns":     2000, //查询和推送数据的并发个数
 		"maxIdle":      32,   //建立的连接池的最大空闲数
 		"connTimeout":  1000, //链接超时时间，单位毫秒
 		"callTimeout":  3000, //访问超时时间，单位毫秒