diff --git a/plugin/business/pangu-http/src/pangu_http.cpp b/plugin/business/pangu-http/src/pangu_http.cpp
index 26e7cad..177e8d5 100644
--- a/plugin/business/pangu-http/src/pangu_http.cpp
+++ b/plugin/business/pangu-http/src/pangu_http.cpp
@@ -462,8 +462,12 @@ void http_repl_ctx_free(struct replace_ctx* rep_ctx)
 		evbuffer_free(rep_ctx->http_body);
 		rep_ctx->http_body = NULL;
 	}
-	//todo destroy http_half;
-	assert(rep_ctx->replacing == NULL);
+	//On session recycled.
+	if(rep_ctx->replacing)
+	{
+		tfe_http_half_free(rep_ctx->replacing);
+		rep_ctx->replacing=NULL;
+	}
 	FREE(&rep_ctx);
 	return;
 }
@@ -499,13 +503,30 @@ static void pangu_http_ctx_free(struct pangu_http_ctx * ctx)
 		web_cache_update_end(ctx->cache_update_ctx);
 		ctx->cache_update_ctx=NULL;
 	}
-	assert(ctx->cached_response==NULL);
+
+	//On session recycle
+	if(ctx->cache_revalidate_req)
+	{
+		tfe_http_half_free(ctx->cache_revalidate_req);
+		ctx->cache_revalidate_req=NULL;
+	}
+	if(ctx->cached_response)
+	{
+		tfe_http_half_free(ctx->cached_response);
+		ctx->cached_response=NULL;
+	}
 	
 	if(ctx->f_cache_query)
 	{
 		future_destroy(ctx->f_cache_query);
 		ctx->f_cache_query=NULL;
 	}
+	if(ctx->f_cache_pending)
+	{
+		future_destroy(ctx->f_cache_pending);
+		ctx->f_cache_pending=NULL;
+	}
+
 	ctx->magic_num=0;
 	FREE(&ctx);
 }