diff --git a/src/kernel/Communicator.cc b/src/kernel/Communicator.cc
index 83412d2e..782d11ff 100644
--- a/src/kernel/Communicator.cc
+++ b/src/kernel/Communicator.cc
@@ -208,6 +208,13 @@ int CommMessageIn::feedback(const void *buf, size_t size)
 	return ret;
 }
 
+void CommMessageIn::renew()
+{
+	CommSession *session = this->entry->session;
+	session->timeout = -1;
+	session->begin_time.tv_nsec = -1;
+}
+
 int CommService::init(const struct sockaddr *bind_addr, socklen_t addrlen,
 					  int listen_timeout, int response_timeout)
 {
diff --git a/src/kernel/Communicator.h b/src/kernel/Communicator.h
index 08973710..92d4bb87 100644
--- a/src/kernel/Communicator.h
+++ b/src/kernel/Communicator.h
@@ -112,6 +112,9 @@ protected:
 	/* Send small packet while receiving. Call only in append(). */
 	virtual int feedback(const void *buf, size_t size);
 
+	/* In append(), reset the begin time of receiving to current time. */
+	virtual void renew();
+
 private:
 	struct CommConnEntry *entry;
 
@@ -158,6 +161,7 @@ private:
 public:
 	CommSession() { this->passive = 0; }
 	virtual ~CommSession();
+	friend class CommMessageIn;
 	friend class Communicator;
 };
 
diff --git a/src/protocol/PackageWrapper.cc b/src/protocol/PackageWrapper.cc
index 4f4f1805..ed72431e 100644
--- a/src/protocol/PackageWrapper.cc
+++ b/src/protocol/PackageWrapper.cc
@@ -55,11 +55,17 @@ int PackageWrapper::append(const void *buf, size_t *size)
 {
 	int ret = this->ProtocolWrapper::append(buf, size);
 
-	if (ret <= 0)
-		return ret;
+	if (ret > 0)
+	{
+		this->msg = this->next(this->msg);
+		if (this->msg)
+		{
+			this->renew();
+			ret = 0;
+		}
+	}
 
-	this->msg = this->next(this->msg);
-	return !this->msg;
+	return ret;
 }
 
 }
diff --git a/src/protocol/ProtocolMessage.h b/src/protocol/ProtocolMessage.h
index c6393a7c..d466202b 100644
--- a/src/protocol/ProtocolMessage.h
+++ b/src/protocol/ProtocolMessage.h
@@ -81,6 +81,14 @@ protected:
 			return this->CommMessageIn::feedback(buf, size);
 	}
 
+	virtual void renew()
+	{
+		if (this->wrapper)
+			return this->wrapper->renew();
+		else
+			return this->CommMessageIn::renew();
+	}
+
 protected:
 	size_t size_limit;