diff --git a/business/jxutils/netprinter/netprinter.go b/business/jxutils/netprinter/netprinter.go
index 04f033b7d..2832ba4df 100644
--- a/business/jxutils/netprinter/netprinter.go
+++ b/business/jxutils/netprinter/netprinter.go
@@ -139,7 +139,7 @@ func RebindAllPrinters(ctx *jxcontext.Context, isForce, isAsync bool) (hint stri
 		for _, v := range storeList {
 			var bindResult partner.BindPrinterResult
 			if err = utils.UnmarshalUseNumber([]byte(v.PrinterBindInfo), &bindResult); err == nil {
-				if isForce || now.Sub(utils.Timestamp2Time(bindResult.ExpiresIn)) > -24*time.Hour {
+				if isForce || now.Sub(utils.Timestamp2Time(bindResult.ExpiresAt)) > -48*time.Hour {
 					needRebindList = append(needRebindList, v)
 					bindResultMap[v.ID] = &bindResult
 				}
diff --git a/business/partner/partner_printer.go b/business/partner/partner_printer.go
index 47725d1fe..09bccaa0a 100644
--- a/business/partner/partner_printer.go
+++ b/business/partner/partner_printer.go
@@ -8,10 +8,10 @@ import (
 )
 
 type BindPrinterResult struct {
-	PrinterSN   string
-	PrinterKey  string
-	PrinterKey2 string
-	ExpiresIn   int64 `json:"expires_in"`
+	PrinterSN   string `json:"printerSN"`
+	PrinterKey  string `json:"printerKey"`
+	PrinterKey2 string `json:"printerKey2"`
+	ExpiresAt   int64  `json:"expiresAt"`
 }
 
 type IPrinterHandler interface {
diff --git a/business/partner/printer/yilianyun/yilianyun.go b/business/partner/printer/yilianyun/yilianyun.go
index 4f28dfefe..0209db3f0 100644
--- a/business/partner/printer/yilianyun/yilianyun.go
+++ b/business/partner/printer/yilianyun/yilianyun.go
@@ -172,7 +172,7 @@ func yilianyunToken2BindResult(tokenInfo *yilianyunapi.TokenInfo) (bindResult *p
 		PrinterSN:   tokenInfo.MachineCode,
 		PrinterKey:  tokenInfo.AccessToken,
 		PrinterKey2: tokenInfo.RefreshToken,
-		ExpiresIn:   tokenInfo.ExpiresIn,
+		ExpiresAt:   time.Now().Add(time.Duration(tokenInfo.ExpiresIn)).Unix(),
 	}
 }