diff --git a/APIServer.exe b/APIServer.exe
index c60320f..963ced8 100644
Binary files a/APIServer.exe and b/APIServer.exe differ
diff --git a/ews/ews.go b/ews/ews.go
index a7cde1c..7ee0068 100644
--- a/ews/ews.go
+++ b/ews/ews.go
@@ -28,7 +28,6 @@ type UutInfo struct {
 	FirstAck string
 	LastAck  string
 	LastChg  string
-	LastTrn  string
 }
 
 type DefectInfo struct {
@@ -77,7 +76,7 @@ func (e *EWS) SetUutInfo(cfg cnf.Cfg, logger *log.Logger, host string, addr stri
 	}
 
 	rec := dbo.QueryRow(
-		fmt.Sprintf(`SELECT usn,mac,ipaddr,relay,item,status,message,partno,mo,sku,line,stage,first_ack,last_ack,last_change,last_transfer 
+		fmt.Sprintf(`SELECT usn,mac,ipaddr,relay,item,status,message,partno,mo,sku,line,stage,first_ack,last_ack,last_change 
 		FROM uutinfo 
 		WHERE usn='%s';`, params["USN"]))
 
@@ -98,7 +97,6 @@ func (e *EWS) SetUutInfo(cfg cnf.Cfg, logger *log.Logger, host string, addr stri
 		&ui.FirstAck,
 		&ui.LastAck,
 		&ui.LastChg,
-		&ui.LastTrn,
 	)
 
 	//如果在uutinfo表中未查找到此USN的记录, 则新增一条此USN的记录
@@ -317,7 +315,7 @@ func (e *EWS) GetUutInfo(cfg cnf.Cfg, logger *log.Logger, host string, addr stri
 	//Get Last Record
 	last := ""
 	curr, err := dbo.Query(
-		fmt.Sprintf(`SELECT usn,mac,ipaddr,relay,item,status,message,partno,mo,sku,line,stage,first_ack,last_ack,last_change,last_transfer 
+		fmt.Sprintf(`SELECT usn,mac,ipaddr,relay,item,status,message,partno,mo,sku,line,stage,first_ack,last_ack,last_change 
 		FROM uutinfo 
 		WHERE %s='%s' 
 		ORDER BY usn ASC, seqid ASC;`, params["KEY"], params["VALUE"]))
@@ -347,7 +345,6 @@ func (e *EWS) GetUutInfo(cfg cnf.Cfg, logger *log.Logger, host string, addr stri
 			&ul.FirstAck,
 			&ul.LastAck,
 			&ul.LastChg,
-			&ul.LastTrn,
 		)
 		if err != nil {
 			break
@@ -391,7 +388,7 @@ func (e *EWS) GetUutInfo(cfg cnf.Cfg, logger *log.Logger, host string, addr stri
 	uh := new(UutInfo)
 	bkup := ""
 	prev, err := dbo.Query(
-		fmt.Sprintf(`SELECT usn,mac,ipaddr,relay,item,status,message,partno,mo,sku,line,stage,first_ack,last_ack,last_change,last_transfer 
+		fmt.Sprintf(`SELECT usn,mac,ipaddr,relay,item,status,message,partno,mo,sku,line,stage,first_ack,last_ack,last_change 
 		FROM uutinfobkup 
 		WHERE %s='%s' 
 		ORDER BY usn ASC, seqid ASC;`, params["KEY"], params["VALUE"]))
@@ -421,7 +418,6 @@ func (e *EWS) GetUutInfo(cfg cnf.Cfg, logger *log.Logger, host string, addr stri
 			&uh.FirstAck,
 			&uh.LastAck,
 			&uh.LastChg,
-			&uh.LastTrn,
 		)
 		if err != nil {
 			break