diff --git a/router.go b/router.go
index cb4195e..5608e20 100644
--- a/router.go
+++ b/router.go
@@ -520,11 +520,11 @@ func dealDatav3(data []byte) string{
 			if current == 0 {
 				//类型2 吸顶
 					if datatype==2{
-						if durationAsInt64 < extensionOutTime2 {
+						if durationAsInt64 < extensionOutTime2 || extensionOutTime2<=0 {
 							return ""
 						}
 					}else{
-						if durationAsInt64 < extensionOutTime {
+						if durationAsInt64 < extensionOutTime || extensionOutTime<=0 {
 							return ""
 						}
 					}
@@ -532,11 +532,11 @@ func dealDatav3(data []byte) string{
 			}else{
 				//类型2 吸顶
 				if datatype==2{
-					if durationAsInt64 < extensionInTime2 {
+					if durationAsInt64 < extensionInTime2 || extensionOutTime2<=0  {
 						return ""
 					}
 				}else{
-					if durationAsInt64 < extensionInTime {
+					if durationAsInt64 < extensionInTime || extensionInTime<=0 {
 						return ""
 					}
 				}