diff --git a/mio/lib/htre.c b/mio/lib/htre.c
index 3f6dc02..8b352dc 100644
--- a/mio/lib/htre.c
+++ b/mio/lib/htre.c
@@ -89,8 +89,9 @@ void mio_htre_fini (mio_htre_t* re)
 	{
 		mio_freemem (re->mio, re->orgqpath.buf);
 		re->orgqpath.buf = MIO_NULL;
-		re->orgqpath.len = 0;
 		re->orgqpath.capa = 0;
+		re->orgqpath.ptr = MIO_NULL;
+		re->orgqpath.len = 0;
 	}
 }
 
@@ -109,13 +110,8 @@ void mio_htre_clear (mio_htre_t* re)
 	re->state = 0;
 	re->flags = 0;
 
-	if (re->orgqpath.buf) 
-	{
-		mio_freemem (re->mio, re->orgqpath.buf);
-		re->orgqpath.buf = MIO_NULL;
-		re->orgqpath.len = 0;
-		re->orgqpath.capa = 0;
-	}
+	re->orgqpath.ptr = MIO_NULL;
+	re->orgqpath.len = 0;
 
 	MIO_MEMSET (&re->version, 0, MIO_SIZEOF(re->version));
 	MIO_MEMSET (&re->attr, 0, MIO_SIZEOF(re->attr));
@@ -293,8 +289,9 @@ int mio_htre_perdecqpath (mio_htre_t* re)
 			if (re->orgqpath.buf)
 			{
 				mio_freemem (re->mio, re->orgqpath.buf);
-				re->orgqpath.len = 0;
 				re->orgqpath.capa = 0;
+				re->orgqpath.ptr = MIO_NULL;
+				re->orgqpath.len = 0;
 			}
 
 			re->orgqpath.buf = mio_dupbchars(re->mio, re->u.q.path.ptr, re->u.q.path.len);
diff --git a/mio/lib/http-svr.c b/mio/lib/http-svr.c
index f6a9a06..dd14fae 100644
--- a/mio/lib/http-svr.c
+++ b/mio/lib/http-svr.c
@@ -119,6 +119,8 @@ if (mio_htre_getcontentlen(req) > 0)
 		}
 		else 
 		{
+//mio_svc_htts_sendstatus (htts, csck, 500, mth, mio_htre_getversion(req), (req->flags & MIO_HTRE_ATTR_KEEPALIVE), MIO_NULL);
+//return 0;
 #if 0
 			if (mth == MIO_HTTP_POST &&
 			    !(req->flags & MIO_HTRE_ATTR_LENGTH) &&
@@ -584,6 +586,11 @@ void mio_svc_htts_sendstatus (mio_svc_htts_t* htts, mio_dev_sck_t* csck, int sta
 	{
 		mio_dev_sck_halt (csck);
 	}
+
+	if (!keepalive)
+	{
+		mio_dev_sck_write(csck, MIO_NULL, 0, MIO_NULL, MIO_NULL); /* arrange to close the writing end */
+	}
 }