diff --git a/cache/src/tango_cache_pending.cpp b/cache/src/tango_cache_pending.cpp
index dc3eea0..67b935d 100644
--- a/cache/src/tango_cache_pending.cpp
+++ b/cache/src/tango_cache_pending.cpp
@@ -273,6 +273,10 @@ enum cache_pending_action tfe_cache_put_pending(const struct tfe_http_half *resp
     int index = 0;
     const char *value = NULL;
     memset(freshness,0,sizeof(struct response_freshness));
+	if(response->resp_spec.resp_code!=TFE_HTTP_STATUS_OK)
+	{
+		return FORBIDDEN;
+	}
     value = tfe_http_std_field_read(response, TFE_HTTP_PRAGMA);
     if (value != NULL)
     {
diff --git a/platform/src/proxy.cpp b/platform/src/proxy.cpp
index e986594..c10c399 100644
--- a/platform/src/proxy.cpp
+++ b/platform/src/proxy.cpp
@@ -318,16 +318,19 @@ int main(int argc, char *argv[])
 	evtimer_add(g_default_proxy->gcev , &gc_delay);
 
 	/* WORKER THREAD */
+	//TODO: Split ctx_create functioin to create and Run.
 	for(unsigned tid = 0; tid < g_default_proxy->nr_work_threads; tid++)
 	{
 		g_default_proxy->work_threads[tid] = __thread_ctx_create(g_default_proxy, tid);
 		CHECK_OR_EXIT(g_default_proxy->work_threads[tid], "Failed at creating thread %u", tid);
 	}
 
+
 	/* ACCEPTOR INIT */
 	g_default_proxy->kni_acceptor_handler = kni_acceptor_init(g_default_proxy, main_profile, g_default_logger);
 	CHECK_OR_EXIT(g_default_proxy->kni_acceptor_handler, "Failed at init KNI acceptor. Exit. ");
 
+
 	/* PLUGIN INIT */
 	unsigned int plugin_iterator = 0;
 	for(struct tfe_plugin * plugin_iter =  tfe_plugin_iterate(&plugin_iterator);
@@ -339,6 +342,7 @@ int main(int argc, char *argv[])
 	}
 
 
+
 	TFE_LOG_ERROR(g_default_logger, "Tango Frontend Engine initialized. ");
 	event_base_dispatch(g_default_proxy->evbase);
 
diff --git a/plugin/business/pangu-http/pangu_web_cache.cpp b/plugin/business/pangu-http/pangu_web_cache.cpp
index 89b8a60..7f74138 100644
--- a/plugin/business/pangu-http/pangu_web_cache.cpp
+++ b/plugin/business/pangu-http/pangu_web_cache.cpp
@@ -139,12 +139,28 @@ struct cache_update_context* web_cache_update_start(struct cache_handle* handle,
 	char buffer[TFE_STRING_MAX];
 	const char* value=NULL;
 	int i=0;
-	put_action=tfe_cache_put_pending(session->resp, &resp_freshness);
-	if(put_action!=ALLOWED)
+	size_t content_len=0;
+	if(session->resp->resp_spec.content_length!=NULL)
 	{
-		return NULL;
+		sscanf(session->resp->resp_spec.content_length, "%lu", &content_len);
+	}
+	put_action=tfe_cache_put_pending(session->resp, &resp_freshness);
+	switch(put_action){
+		case FORBIDDEN:
+		case VERIFY:
+			return NULL;
+		case ALLOWED:
+			break;
+		case UNDEFINED:
+			if(content_len<100*1024)
+			{
+				return NULL;
+			}
+			break;
+		default:
+			assert(0);
+			break;
 	}
-
 	struct tango_cache_meta_put meta;
 	memset(&meta, 0, sizeof(meta));
 	meta.url=session->req->req_spec.url;
diff --git a/plugin/protocol/http/src/http_entry.cpp b/plugin/protocol/http/src/http_entry.cpp
index 6769875..5e5ad50 100644
--- a/plugin/protocol/http/src/http_entry.cpp
+++ b/plugin/protocol/http/src/http_entry.cpp
@@ -87,7 +87,7 @@ static int __write_http_half_to_line(const struct tfe_stream * stream,
 		 * and has been call body_begin, construct the header */
 		if (hf_private->evbuf_body != NULL && hf_private->write_ctx == NULL)
 		{
-			printf("frag write start, stream = %p, hf_private = %p\n", stream, hf_private);
+//			printf("frag write start, stream = %p, hf_private = %p\n", stream, hf_private);
 
 			/* Still need to send data(not call body_end()), need to write frag start
 			 * Otherwise, means the body is ready, send out directly without frag */
diff --git a/plugin/protocol/http/src/http_half.cpp b/plugin/protocol/http/src/http_half.cpp
index d208c64..b5696ab 100644
--- a/plugin/protocol/http/src/http_half.cpp
+++ b/plugin/protocol/http/src/http_half.cpp
@@ -657,7 +657,7 @@ int hf_ops_body_end(struct tfe_http_half * half)
 	hf_private->body_status = STATUS_COMPLETE;
 	hf_private->message_status = STATUS_COMPLETE;
 
-	printf("frag write end, stream = %p, hf_private = %p\n", hf_private->session->hc_private->stream, hf_private);
+//	printf("frag write end, stream = %p, hf_private = %p\n", hf_private->session->hc_private->stream, hf_private);
 	return 0;
 }