From a35045d9f15befffb7ccdba6cd6d18dbbd0f8b7e Mon Sep 17 00:00:00 2001
From: wwqgtxx <wwqgtxx@gmail.com>
Date: Mon, 13 Jul 2026 00:38:29 +0800
Subject: [PATCH] fix: consume CachedConn data in ReadCached

---
 common/net/cached.go | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/common/net/cached.go b/common/net/cached.go
index fb605b74..ad7d409b 100644
--- a/common/net/cached.go
+++ b/common/net/cached.go
@@ -28,7 +28,9 @@ func (c *CachedConn) Read(b []byte) (n int, err error) {
 
 func (c *CachedConn) ReadCached() *buf.Buffer { // call in sing/common/bufio.Copy
 	if len(c.data) > 0 {
-		return buf.As(c.data)
+		data := c.data
+		c.data = nil
+		return buf.As(data)
 	}
 	return nil
 }