diff --git a/APIServer.go b/APIServer.go
index 7e73ee8..9bfc764 100644
--- a/APIServer.go
+++ b/APIServer.go
@@ -488,18 +488,18 @@ func handleRacsInbound(w http.ResponseWriter, r *http.Request) {
 
 	params, err := parseReqParams(r)
 	if err != nil {
-		logger.Printf("[ERR]  %s; %s; %#v; %s\r\n", r.RemoteAddr, r.RequestURI, params, rst["ErrMsg"])
 		rst["Result"] = "NG"
 		rst["ErrMsg"] = "racs.HandleInbound: " + err.Error()
+		logger.Printf("[ERR]  %s; %s; %#v; %s\r\n", r.RemoteAddr, r.RequestURI, params, rst["ErrMsg"])
 		w.WriteHeader(http.StatusBadRequest)
 		fmt.Fprintf(w, "%v", strings.ReplaceAll(fmt.Sprintf("%#v", rst), "map[string]string", ""))
 		return
 	}
 
 	if params["USN"] == "" {
-		logger.Printf("[ERR]  %s; %s; %#v; %s\r\n", r.RemoteAddr, r.RequestURI, params, rst["ErrMsg"])
 		rst["Result"] = "NG"
-		rst["ErrMsg"] = "racs.HandleInbound: Missing Parameter - USN"
+		rst["ErrMsg"] = "racs.HandleInbound: Missing Parameter USN"
+		logger.Printf("[ERR]  %s; %s; %#v; %s\r\n", r.RemoteAddr, r.RequestURI, params, rst["ErrMsg"])
 		w.WriteHeader(http.StatusBadRequest)
 		fmt.Fprintf(w, "%v", strings.ReplaceAll(fmt.Sprintf("%#v", rst), "map[string]string", ""))
 		return
@@ -535,18 +535,18 @@ func handleRacsOutbound(w http.ResponseWriter, r *http.Request) {
 
 	params, err := parseReqParams(r)
 	if err != nil {
-		logger.Printf("[ERR]  %s; %s; %#v; %s\r\n", r.RemoteAddr, r.RequestURI, params, rst["ErrMsg"])
 		rst["Result"] = "NG"
 		rst["ErrMsg"] = "racs.HandleOutbound: " + err.Error()
+		logger.Printf("[ERR]  %s; %s; %#v; %s\r\n", r.RemoteAddr, r.RequestURI, params, rst["ErrMsg"])
 		w.WriteHeader(http.StatusBadRequest)
 		fmt.Fprintf(w, "%v", strings.ReplaceAll(fmt.Sprintf("%#v", rst), "map[string]string", ""))
 		return
 	}
 
 	if params["USN"] == "" {
-		logger.Printf("[ERR]  %s; %s; %#v; %s\r\n", r.RemoteAddr, r.RequestURI, params, rst["ErrMsg"])
 		rst["Result"] = "NG"
-		rst["ErrMsg"] = "racs.HandleInbound: Missing Parameter - USN"
+		rst["ErrMsg"] = "racs.HandleOutbound: Missing Parameter USN"
+		logger.Printf("[ERR]  %s; %s; %#v; %s\r\n", r.RemoteAddr, r.RequestURI, params, rst["ErrMsg"])
 		w.WriteHeader(http.StatusBadRequest)
 		fmt.Fprintf(w, "%v", strings.ReplaceAll(fmt.Sprintf("%#v", rst), "map[string]string", ""))
 		return
diff --git a/racs/racs.go b/racs/racs.go
index 24f92e4..d67d1c5 100644
--- a/racs/racs.go
+++ b/racs/racs.go
@@ -30,12 +30,19 @@ func (r *RACS) Inbound(cfg cnf.Cfg, logger *log.Logger, addr string, uri string,
 	)
 	dbo, err := sql.Open("mysql", dsn)
 	if err != nil {
-		logger.Printf("[ERR]  %s; %s; %#v; %s\r\n", addr, uri, params, err.Error())
 		rst["Result"] = "NG"
 		rst["ErrMsg"] = "racs.Inbound: " + err.Error()
+		logger.Printf("[ERR]  %s; %s; %#v; %s\r\n", addr, uri, params, rst["ErrMsg"])
 		return rst
 	}
-	dmlInbound := fmt.Sprintf(`INSERT INTO %s (usn,storage,update_time,mark1,mark2,mark3) VALUES ('%s','%s',%s,'%s','%s','%s');`,
+	dml := fmt.Sprintf(`INSERT INTO %s 
+	(usn,storage,update_time,mark1,mark2,mark3) VALUES ('%s','%s',%s,'%s','%s','%s') 
+	ON DUPLICATE KEY UPDATE 
+	storage = VALUES(storage), 
+	update_time = NOW(), 
+	mark1 = VALUES(mark1), 
+	mark2 = VALUES(mark2), 
+	mark3 = VALUES(mark3);`,
 		cfg.MySQL.StorageTable,
 		params["USN"],
 		"Inbound",
@@ -44,11 +51,11 @@ func (r *RACS) Inbound(cfg cnf.Cfg, logger *log.Logger, addr string, uri string,
 		params["MARK2"],
 		params["MARK3"],
 	)
-	_, err = dbo.Exec(dmlInbound)
+	_, err = dbo.Exec(dml)
 	if err != nil {
-		logger.Printf("[ERR]  %s; %s; %#v; %s\r\n", addr, uri, params, err.Error())
 		rst["Result"] = "NG"
 		rst["ErrMsg"] = "racs.Inbound: " + err.Error()
+		logger.Printf("[ERR]  %s; %s; %#v; %s\r\n", addr, uri, params, rst["ErrMsg"])
 		return rst
 	}
 	return rst
@@ -65,12 +72,19 @@ func (r *RACS) Outbound(cfg cnf.Cfg, logger *log.Logger, addr string, uri string
 	)
 	dbo, err := sql.Open("mysql", dsn)
 	if err != nil {
-		logger.Printf("[ERR]  %s; %s; %#v; %s\r\n", addr, uri, params, err.Error())
 		rst["Result"] = "NG"
 		rst["ErrMsg"] = "racs.Outbound: " + err.Error()
+		logger.Printf("[ERR]  %s; %s; %#v; %s\r\n", addr, uri, params, rst["ErrMsg"])
 		return rst
 	}
-	dmlOutbound := fmt.Sprintf(`INSERT INTO %s (usn,storage,update_time,mark1,mark2,mark3) VALUES ('%s','%s',%s,'%s','%s','%s');`,
+	dml := fmt.Sprintf(`INSERT INTO %s 
+	(usn,storage,update_time,mark1,mark2,mark3) VALUES ('%s','%s',%s,'%s','%s','%s') 
+	ON DUPLICATE KEY UPDATE 
+	storage = VALUES(storage), 
+	update_time = NOW(), 
+	mark1 = VALUES(mark1), 
+	mark2 = VALUES(mark2), 
+	mark3 = VALUES(mark3);`,
 		cfg.MySQL.StorageTable,
 		params["USN"],
 		"Outbound",
@@ -79,11 +93,11 @@ func (r *RACS) Outbound(cfg cnf.Cfg, logger *log.Logger, addr string, uri string
 		params["MARK2"],
 		params["MARK3"],
 	)
-	_, err = dbo.Exec(dmlOutbound)
+	_, err = dbo.Exec(dml)
 	if err != nil {
-		logger.Printf("[ERR]  %s; %s; %#v; %s\r\n", addr, uri, params, err.Error())
 		rst["Result"] = "NG"
 		rst["ErrMsg"] = "racs.Outbound: " + err.Error()
+		logger.Printf("[ERR]  %s; %s; %#v; %s\r\n", addr, uri, params, rst["ErrMsg"])
 		return rst
 	}
 	return rst