diff --git a/src/load/json.c b/src/load/json.c
index 4371bf3..3ff434a 100644
--- a/src/load/json.c
+++ b/src/load/json.c
@@ -4,26 +4,72 @@
 #include "cJSON.h"
 #include "common.h"
 #include "logger.h"
+#include "structure.h"
 
 int json_int_value(char *key, cJSON *json) { // json int or string value -> int
     if (cJSON_IsNumber(json)) {
         return json->valueint;
     } else if (cJSON_IsString(json)) {
         char *p;
-        return (int)strtol(json->valuestring, &p, 10);
+        int int_ret = (int)strtol(json->valuestring, &p, 10);
+        if (int_ret == 0 && strcmp(json->valuestring, "0") != 0) { // invalid number in string
+            log_fatal("`%s` not a valid number", key);
+        }
+        return int_ret;
     } else {
         log_fatal("`%s` must be number or string", key);
     }
     return 0; // never reach
 }
 
-uint8_t json_bool_value(char *key, cJSON *json) { // json bool value -> bool
-    if (cJSON_IsBool(json)) {
-        return json->valueint;
+char* json_string_value(char* key, cJSON *json) {
+    if (!cJSON_IsString(json)) {
+        log_fatal("`%s` must be string", key);
+    }
+    return json->valuestring;
+}
+
+char** json_string_list_value(char *key, cJSON *json, char **string_list) {
+    if (cJSON_IsString(json)) {
+        string_list = string_list_append(string_list, json->valuestring);
+    } else if (cJSON_IsArray(json)) {
+        json = json->child;
+        while (json != NULL) {
+            if (!cJSON_IsString(json)) {
+                log_fatal("`%s` must be string array", key);
+            }
+            string_list = string_list_append(string_list, json->valuestring);
+            json = json->next; // next field
+        }
+    } else {
+        log_fatal("`%s` must be array or string", key);
+    }
+    return string_list;
+}
+
+uint32_t** json_uint32_list_value(char *key, cJSON *json, uint32_t **uint32_list) {
+    if (cJSON_IsNumber(json)) {
+        uint32_list = uint32_list_append(uint32_list, json->valueint);
+    } else if (cJSON_IsArray(json)) {
+        json = json->child;
+        while (json != NULL) {
+            if (!cJSON_IsNumber(json)) {
+                log_fatal("`%s` must be number array", key);
+            }
+            uint32_list = uint32_list_append(uint32_list, json->valueint);
+            json = json->next; // next field
+        }
     } else {
+        log_fatal("`%s` must be array or number", key);
+    }
+    return uint32_list;
+}
+
+uint8_t json_bool_value(char *key, cJSON *json) { // json bool value -> bool
+    if (!cJSON_IsBool(json)) {
         log_fatal("`%s` must be boolean", key);
     }
-    return FALSE;
+    return json->valueint;
 }
 
 void json_cache_parser(cache_config *config, cJSON *json) { // cache options parser
@@ -41,6 +87,42 @@ void json_cache_parser(cache_config *config, cJSON *json) { // cache options par
     }
 }
 
+void json_diverter_parser(diverter_config *config, cJSON *json) { // diverter options parser
+    while (json != NULL) {
+        if (!strcmp(json->string, "port")) {
+            config->port = json_int_value("diverter.port", json);
+        }
+        if (!strcmp(json->string, "gfwlist")) {
+            config->gfwlist = json_string_list_value("diverter.gfwlist", json, config->gfwlist);
+        }
+        if (!strcmp(json->string, "china-ip")) {
+            config->china_ip = json_string_list_value("diverter.china-ip", json, config->china_ip);
+        }
+        if (!strcmp(json->string, "chinalist")) {
+            config->chinalist = json_string_list_value("diverter.chinalist", json, config->chinalist);
+        }
+        json = json->next; // next field
+    }
+}
+
+void json_adguard_parser(adguard_config *config, cJSON *json) { // adguard options parser
+    while (json != NULL) {
+        if (!strcmp(json->string, "port")) {
+            config->port = json_int_value("adguard.port", json);
+        }
+        if (!strcmp(json->string, "enable")) {
+            config->enable = json_bool_value("adguard.enable", json);
+        }
+        if (!strcmp(json->string, "username")) {
+            config->username = json_string_value("adguard.username", json);
+        }
+        if (!strcmp(json->string, "password")) {
+            config->password = json_string_value("adguard.password", json);
+        }
+        json = json->next; // next field
+    }
+}
+
 void json_config_parser(cleardns_config *config, const char *config_file) { // JSON format configure
     char *config_content = read_file(config_file);
     cJSON *json = cJSON_Parse(config_content);
@@ -59,12 +141,21 @@ void json_config_parser(cleardns_config *config, const char *config_file) { // J
         // domestic
         // foreign
 
-        // diverter
-        // adguard
-        // reject
-        // hosts
-        // ttl
-
+        if (!strcmp(json->string, "diverter")) {
+            json_diverter_parser(&config->diverter, json->child);
+        }
+        if (!strcmp(json->string, "adguard")) {
+            json_adguard_parser(&config->adguard, json->child);
+        }
+        if (!strcmp(json->string, "reject")) {
+            config->reject = json_uint32_list_value("reject", json, config->reject);
+        }
+        if (!strcmp(json->string, "hosts")) {
+            config->hosts = json_string_list_value("hosts", json, config->hosts);
+        }
+        if (!strcmp(json->string, "ttl")) {
+            config->ttl = json_string_list_value("ttl", json, config->ttl);
+        }
         json = json->next; // next field
     }
     cJSON_free(json); // free JSON struct
diff --git a/src/overture.c b/src/overture.c
index b5cba78..d1a5acd 100644
--- a/src/overture.c
+++ b/src/overture.c
@@ -110,7 +110,7 @@ char* overture_config(overture *info) { // generate json configure from overture
     if (info->host_file != NULL) {
         cJSON_AddStringToObject(host_file, "hostsFile", info->host_file);
     }
-    cJSON_AddStringToObject(host_file, "finder", "full-map");
+    cJSON_AddStringToObject(host_file, "finder", "regex-list");
     cJSON_AddItemToObject(config, "hostsFile", host_file);
 
     if (info->ttl_file != NULL) {