diff --git a/app/lib/aes/check.go b/app/lib/aes/check.go
index a428af8..675659b 100644
--- a/app/lib/aes/check.go
+++ b/app/lib/aes/check.go
@@ -77,7 +77,8 @@ func CheckSign(c *gin.Context) error {
 	if err != nil {
 		return err
 	}
-	if currentTimestamp-storedTimestamp < 0 {
+
+	if isMillisecond(storedTimestamp) {
 		//TODO::兼容客户端传毫秒
 		currentTimestamp = time.Now().UnixMilli()
 		if currentTimestamp-storedTimestamp > 60*5*1000 { // 2分钟
@@ -85,16 +86,23 @@ func CheckSign(c *gin.Context) error {
 			fmt.Println("storedTimestamp>>>>>:", storedTimestamp)
 			return fmt.Errorf("签名过期~")
 		}
+		if currentTimestamp-storedTimestamp < -60*1000 { //避免客户端传过快时间的误差
+			return errors.New("签名超前~")
+		}
 	} else {
 		if currentTimestamp-storedTimestamp > 60*5 { // 2分钟
 			fmt.Println("currentTimestamp>>>>>:", currentTimestamp)
 			fmt.Println("storedTimestamp>>>>>:", storedTimestamp)
 			return fmt.Errorf("签名过期！")
 		}
+		if currentTimestamp-storedTimestamp < -60 { //避免客户端传过快时间的误差
+			return errors.New("签名超前！")
+		}
 	}
 
-	if currentTimestamp-storedTimestamp < 0 {
-		return errors.New("签名有误！")
-	}
 	return nil
 }
+
+func isMillisecond(timestamp int64) bool {
+	return timestamp > 1e12 && timestamp < 1e13
+}