diff --git a/dist/antd-1.0.4b.tar.gz b/dist/antd-1.0.4b.tar.gz
index f4b86d4..cdfe285 100644
Binary files a/dist/antd-1.0.4b.tar.gz and b/dist/antd-1.0.4b.tar.gz differ
diff --git a/http_server.c b/http_server.c
index d2e44b8..c4b4462 100644
--- a/http_server.c
+++ b/http_server.c
@@ -110,7 +110,7 @@ void destroy_config()
 			{
 				close(cnf->sock);
 			}
-			list_free(&(cnf->rules));
+			freedict(cnf->rules);
 		}
 		freedict(server_config.ports);
 	}
@@ -207,7 +207,7 @@ static int config_handler(void *conf, const char *section, const char *name,
 			p = (port_config_t*) malloc( sizeof(port_config_t));
 			p->htdocs = NULL;
 			p->sock = -1;
-			p->rules = list_init();
+			p->rules = dict();
 			dput(pconfig->ports,buf, p);
 			p->port = atoi(buf);
 		}
@@ -224,8 +224,7 @@ static int config_handler(void *conf, const char *section, const char *name,
 		else
 		{
 			// other thing should be rules
-			list_put_s(&p->rules, name);
-			list_put_s(&p->rules, value);
+			dput(p->rules, name, strdup(value));
 		}
 	}
 	else
@@ -703,7 +702,7 @@ int startup(unsigned *port)
 	return (httpd);
 }
 
-char *apply_rules(list_t rules, const char *host, char *url)
+char *apply_rules(dictionary_t rules, const char *host, char *url)
 {
 	// rule check
 	char *query_string = url;
@@ -715,12 +714,13 @@ char *apply_rules(list_t rules, const char *host, char *url)
 		query_string++;
 	}
 	//char* oldurl = strdup(url);
-	int size = list_size(rules);
-	for (int i = 0; i < size; i += 2)
+	chain_t it;
+	char* k;
+	char* v;
+	for_each_assoc(it, rules)
 	{
-		char *k, *v;
-		k = list_at(rules, i)->value.s;
-		v = list_at(rules, i + 1)->value.s;
+		k = it->key;
+		v = (char*)it->value;
 		// 1 group
 		if (rule_check(k, v, host, url, query_string, url))
 		{
diff --git a/lib/handle.c b/lib/handle.c
index 11d25c7..d19d042 100644
--- a/lib/handle.c
+++ b/lib/handle.c
@@ -159,10 +159,13 @@ void antd_send_header(void* client, antd_response_header_t* res)
 	// send out cookie
 	if(res->cookie)
 	{
-		int size = list_size(res->cookie);
-		for (int i = 0; i < size; i++)
+		item_t el;
+		list_for_each(el, res->cookie)
 		{
-			__t(client,"Set-Cookie: %s", list_at(res->cookie, i)->value.s);
+			if(el->type == LIST_TYPE_POINTER && el->value.ptr)
+			{
+				__t(client,"Set-Cookie: %s", (char*)el->value.ptr);
+			}
 		}
 		list_free(&res->cookie);
 		res->cookie = NULL;
diff --git a/lib/handle.h b/lib/handle.h
index 6ec30bd..1e1408c 100644
--- a/lib/handle.h
+++ b/lib/handle.h
@@ -37,7 +37,7 @@ typedef struct {
     int usessl;
     char* htdocs;
     int sock;
-    list_t rules;
+    dictionary_t rules;
 } port_config_t;
 
 typedef struct{
diff --git a/lib/list.c b/lib/list.c
index dd8965a..bfe45d7 100644
--- a/lib/list.c
+++ b/lib/list.c
@@ -34,7 +34,8 @@ void list_put(list_t* l, item_t it)
 {
 	if(*l == NULL || (*l)->type == LIST_TYPE_NIL)
 	{
-		free(*l);
+		if(*l != NULL)
+			free(*l);
 		*l = it;
 		return ;
 	}	
@@ -56,8 +57,8 @@ void list_put_special(list_t* l, const char* str)
 	}
 	else
 	{
-		v = list_item(LIST_TYPE_STRING);
-		v->value.s = strdup(str);
+		v = list_item(LIST_TYPE_POINTER);
+		v->value.ptr = strdup(str);
 	}
 	list_put(l,v);
 }
@@ -68,19 +69,29 @@ item_t list_last(list_t l)
 		p = p->next;
 	return p;
 }
-int list_remove(list_t l,int idx)
+int list_remove(list_t* l,int idx)
 {
 	if(l==NULL) return 0;
-	if(idx <0 || idx >= list_size(l)) return 0;
+	if(*l == NULL) return 0;
+	item_t it;
+	if(idx <0 || idx >= list_size(*l)) return 0;
 	if(idx == 0)
 	{
-		l=l->next;
+		it = *l;
+		*l=(*l)->next;
+		it->next = NULL;
+		list_free(&it);
 		return 1;
 	}
-	item_t np = list_at(l,idx-1);
+	item_t np = list_at(*l,idx-1);
 	if(np == NULL) return 0;
-	if(np->next == NULL) return 1;
-	np->next = np->next->next;
+	if(np->next != NULL)
+	{
+		item_t it = np->next;
+		it->next = NULL;
+		list_free(&it);
+		np->next = np->next->next;
+	}
 	return 1;
 }
 int list_size(list_t l)
@@ -95,54 +106,6 @@ int list_size(list_t l)
 	}
 	return i;
 }
-char* as_string(list_t l)
-{
-	char* str = "";
-	if(l != NULL && l->type != LIST_TYPE_NIL)
-	{
-		switch(l->type)
-		{
-			case LIST_TYPE_BASE64:
-			str = __s("b64:%s", l->value.b64);
-			break;
-		
-			case LIST_TYPE_BOOL:
-			str = __s("bool:%d", l->value.b);
-			break;
-		
-			case LIST_TYPE_DOUBLE:
-			str = __s("double:%lf", l->value.d);
-			break;
-		
-			case LIST_TYPE_DATE:
-			str = __s("date:%s", l->value.date);
-			break;
-		
-			case LIST_TYPE_INT:
-			case LIST_TYPE_I4:
-			str = __s("int:%d", l->value.i);
-			break;
-		
-			case LIST_TYPE_STRING:
-			str = __s("string:%s", l->value.s);
-			break;
-			
-			case LIST_TYPE_ARRAY:
-			str = __s("[%s]", as_string(l->value.array));
-			break;
-			default:
-			str = "<Unknown>";
-			break;
-		}
-		item_t np = l->next;
-		if(np)
-		{
-			str = __s("%s,\n%s", str, as_string(np));
-		}
-		return str;
-	}
-	return "[empty]";
-}
 item_t list_at(list_t l,int idx)
 {
 	if(l == NULL || idx<0 || idx>= list_size(l)) 
@@ -168,8 +131,7 @@ item_t list_item(int type)
 list_t split(const char* str, const char* delim)
 {
 	if(str == NULL || delim == NULL) return NULL;
-	char* str_cpy = strdup(str);
-	char* org_str = str_cpy;
+	char* str_cpy = str;
 	char* token;
 	list_t l = list_init();
 	while((token = strsep(&str_cpy,delim)))
@@ -179,7 +141,6 @@ list_t split(const char* str, const char* delim)
 			list_put_special(&l,token);
 		}
 	}
-	free(org_str);
 	if(l->type== LIST_TYPE_NIL)
 	{
 		free(l);
@@ -199,28 +160,11 @@ void list_put_d(list_t* l,double v)
 	it->value.d = v;
 	list_put(l,it);
 }
-void list_put_b(list_t* l,int v)
+
+void list_put_ptr(list_t* l,void* v)
 {
-	item_t it = list_item(LIST_TYPE_BOOL);
-	it->value.b = v;
-	list_put(l,it);
-}
-void list_put_b64(list_t* l,const char* v)
-{
-	item_t it = list_item(LIST_TYPE_BASE64);
-	it->value.b64 = strdup(v);
-	list_put(l,it);
-}
-void list_put_date(list_t* l,const char* v)
-{
-	item_t it = list_item(LIST_TYPE_DATE);
-	it->value.date = strdup(v);
-	list_put(l,it);
-}
-void list_put_s(list_t* l,const char* v)
-{
-	item_t it = list_item(LIST_TYPE_STRING);
-	it->value.s = strdup(v);
+	item_t it = list_item(LIST_TYPE_POINTER);
+	it->value.ptr = v;
 	list_put(l,it);
 }
 void list_put_array(list_t* l,list_t v)
@@ -229,19 +173,18 @@ void list_put_array(list_t* l,list_t v)
 	it->value.array = v;
 	list_put(l,it);
 }
+// unliked dictionary
+// user have the responsibility to free
+// pointer data
 void list_free(list_t *l)
 {
 	item_t curr;
 	while ((curr = (*l)) != NULL) { 
 		(*l) = (*l)->next;
-		if(curr->type == LIST_TYPE_ARRAY)
+		if(curr->type == LIST_TYPE_ARRAY && curr->value.array)
 			list_free(&curr->value.array);
-		else if(curr->type == LIST_TYPE_STRING)
-			free(curr->value.s);
-		else if(curr->type == LIST_TYPE_DATE)
-			free(curr->value.date);
-		else if(curr->type == LIST_TYPE_BASE64)
-			free(curr->value.b64);
+		else if( curr->type == LIST_TYPE_POINTER && curr->value.ptr)
+			free(curr->value.ptr);
 	    free (curr);
 	}
 }
diff --git a/lib/list.h b/lib/list.h
index 617f8bf..04316ff 100644
--- a/lib/list.h
+++ b/lib/list.h
@@ -25,25 +25,21 @@ THE SOFTWARE.
 #define LIST_H
 #include "utils.h"
 
-#define LIST_TYPE_ARRAY	601//hash("array")
-#define LIST_TYPE_BASE64	335//hash("base64")
-#define LIST_TYPE_BOOL	40//hash("boolean")
-#define LIST_TYPE_DOUBLE	977//hash("double")
-#define LIST_TYPE_DATE	49//hash("dateTime.iso8601")
-#define LIST_TYPE_INT	1007//hash("int")
-#define LIST_TYPE_I4		235//hash("i4")
-#define LIST_TYPE_STRING	17//hash("string")
-#define LIST_TYPE_NIL	529//hash("nil")
+#define LIST_TYPE_ARRAY		0x5
+#define LIST_TYPE_POINTER	0x4
+#define LIST_TYPE_DOUBLE	0x2
+#define LIST_TYPE_INT		0x1
+#define LIST_TYPE_NIL		0x0
+
+#define list_for_each(item, list) \
+            for(item = list;item!= NULL && item->type != LIST_TYPE_NIL; item = item->next)
 
 typedef struct __item{
 	int type;
 	union{
 		int 			i;
-		int 			b;
-		char* 			s;
 		double 			d;
-		char* 			date;
-		char* 			b64;
+		void* 			ptr;
 		struct __item* 	array;
 	} value;
 	struct __item* next;
@@ -53,19 +49,16 @@ list_t list_init();
 void list_put(list_t*,item_t);
 void list_put_i(list_t*,int);
 void list_put_d(list_t*,double);
-void list_put_b(list_t*,int);
-void list_put_b64(list_t*,const char*);
-void list_put_date(list_t*,const char*);
-void list_put_s(list_t*,const char*);
+void list_put_ptr(list_t*,void*);
 void list_put_array(list_t*,list_t);
+
 item_t list_last(list_t);
-int list_remove(list_t,int);
+int list_remove(list_t*,int);
 int list_size(list_t);
 item_t list_at(list_t,int);
 int list_empty(list_t);
 item_t list_item(int type);
 list_t split(const char*, const char*);
-char* as_string(list_t);
 void list_put_special(list_t*, const char*);
 void list_free(list_t *);
 #endif
\ No newline at end of file