diff --git a/plugin/business/tsg-http/src/tsg_http.cpp b/plugin/business/tsg-http/src/tsg_http.cpp
index 5258daa..954ed23 100644
--- a/plugin/business/tsg-http/src/tsg_http.cpp
+++ b/plugin/business/tsg-http/src/tsg_http.cpp
@@ -772,7 +772,7 @@ void policy_action_param_dup(int idx, void **to, void **from, long argl, void *a
 void ma_profile_table_new_cb(const char *table_name, int table_id, const char* key, const char* table_line, void **ad, long argl, void* argp)
 {
 	int ret=0, profile_id=0, is_valid=0;
-	char profile_name[128]={0}, formate[128]={0};
+	char profile_name[256]={0}, formate[128]={0};
 	char profile_path[TFE_PATH_MAX]={0};
 
 	ret=sscanf(table_line, "%d\t%s\t%s\t%s\t%d", &profile_id, profile_name, formate, profile_path, &is_valid);
@@ -812,7 +812,7 @@ void ma_profile_table_new_cb(const char *table_name, int table_id, const char* k
 void ma_insert_profile_table_new_cb(const char *table_name, int table_id, const char* key, const char* table_line, void **ad, long argl, void* argp)
 {
 	int ret=0, profile_id=0, is_valid=0;
-	char profile_name[128]={0}, formate[128]={0};
+	char profile_name[256]={0}, formate[128]={0};
 	char profile_path[TFE_PATH_MAX]={0},profile_position[TFE_PATH_MAX]={0};
 
 	ret=sscanf(table_line, "%d\t%s\t%s\t%s\t%s\t%d", &profile_id, profile_name, formate, profile_path, profile_position, &is_valid);
@@ -852,7 +852,7 @@ void ma_insert_profile_table_new_cb(const char *table_name, int table_id, const
 void ma_hijack_profile_table_new_cb(const char *table_name, int table_id, const char* key, const char* table_line, void **ad, long argl, void* argp)
 {
 	int ret=0, profile_id=0, is_valid=0;
-	char profile_name[128]={0}, formate[128]={0};
+	char profile_name[256]={0}, formate[128]={0};
 	char profile_path[TFE_PATH_MAX]={0},hijack_name[128]={0};
 
 	ret=sscanf(table_line, "%d\t%s\t%s\t%s\t%s\t%d", &profile_id, profile_name, hijack_name, formate, profile_path, &is_valid);
diff --git a/plugin/protocol/http/src/http_half.cpp b/plugin/protocol/http/src/http_half.cpp
index 07bfa1a..3d832b4 100644
--- a/plugin/protocol/http/src/http_half.cpp
+++ b/plugin/protocol/http/src/http_half.cpp
@@ -152,8 +152,13 @@ void __hf_public_req_fill_from_private(struct http_half_private * hf_private, st
 	hf_private->method_or_status = (enum tfe_http_std_method) parser->method;
 
 	const static struct http_field_name __host_field_name = {TFE_HTTP_HOST, NULL};
-	hf_private->host = strdup((char *) tfe_http_field_read(hf_public, &__host_field_name));
-	hf_req_spec->host = hf_private->host;
+
+	char *host= (char *)tfe_http_field_read(hf_public, &__host_field_name);
+	if(host)
+	{
+		hf_private->host = strdup(host);
+		hf_req_spec->host = hf_private->host;
+	}
 
 	/* uri is stored in underlay evbuffer, we need to append a terminal zero */
 	static const char __zero = 0;