diff --git a/server/payserver/service/wxpay_prepare.go b/server/payserver/service/wxpay_prepare.go
index ad93187..1523c6e 100644
--- a/server/payserver/service/wxpay_prepare.go
+++ b/server/payserver/service/wxpay_prepare.go
@@ -156,7 +156,7 @@ func (wp *wxpay) GetPrepayInfoStr(openid string, gameid int64, userip string, or
 
 func (wp *wxpay) VerifyPaySign(rawdata string, signature string) bool {
 	sign, err := wp.client.Sign(wp.ctx, rawdata)
-	f5.GetSysLog().Debug("verify pay sign:%s, signature:%s", sign.Signature, signature)
+	f5.GetSysLog().Debug("rawstr:%s\nverify pay sign:%s\nsignature:%s", rawdata, sign.Signature, signature)
 	if err != nil || sign.Signature != signature {
 		return false
 	}