diff --git a/proxy/proxy.go b/proxy/proxy.go
index 1ae9fea4..e88a5573 100644
--- a/proxy/proxy.go
+++ b/proxy/proxy.go
@@ -595,10 +595,10 @@ func CopyRawConnIfExist(ctx context.Context, readerConn net.Conn, writerConn net
 			errors.LogInfo(ctx, "CopyRawConn splice")
 			statWriter, _ := writer.(*dispatcher.SizeStatWriter)
 			//runtime.Gosched() // necessary
-			time.Sleep(time.Millisecond)    // without this, there will be a rare ssl error for freedom splice
-			timer.SetTimeoutIfNotOverridden(8 * time.Hour) // prevent leak, just in case
+			time.Sleep(time.Millisecond)                    // without this, there will be a rare ssl error for freedom splice
+			timer.SetTimeoutIfNotOverridden(24 * time.Hour) // prevent leak, just in case
 			if inTimer != nil {
-				inTimer.SetTimeoutIfNotOverridden(8 * time.Hour)
+				inTimer.SetTimeoutIfNotOverridden(24 * time.Hour)
 			}
 			w, err := tc.ReadFrom(readerConn)
 			if readCounter != nil {