diff --git a/include/loader/loader.h b/include/loader/loader.h
index a7205ac..27a011d 100644
--- a/include/loader/loader.h
+++ b/include/loader/loader.h
@@ -20,6 +20,8 @@ struct cleardns {
 
 extern struct cleardns loader;
 
+void load_diverter_assets();
+
 void load_config(const char *config_file);
 
 #endif
diff --git a/include/utils/assets.h b/include/utils/assets.h
index a0fb8b7..51279c1 100644
--- a/include/utils/assets.h
+++ b/include/utils/assets.h
@@ -3,6 +3,10 @@
 
 #include <stdint.h>
 
+extern char **custom_gfwlist;
+extern char **custom_china_ip;
+extern char **custom_chinalist;
+
 typedef struct {
     char *file; // string
     char **sources; // string list
diff --git a/src/common/system.c b/src/common/system.c
index 0dc3c78..74dc663 100644
--- a/src/common/system.c
+++ b/src/common/system.c
@@ -95,11 +95,3 @@ void save_string_list(const char *file, char **string_list) { // save string lis
     fclose(fp);
     log_debug("Save `%s` success", file);
 }
-
-void download_file(const char *file, const char *url) { // download file
-    log_debug("Download file `%s` -> %s", file, url);
-    char *download_cmd = string_load("wget -T 8 -O %s %s", file, url);
-    if (run_command(download_cmd)) {
-        log_warn("File `%s` download failed", url);
-    }
-}
diff --git a/src/loader/loader.c b/src/loader/loader.c
index a4aee7a..6d2e30f 100644
--- a/src/loader/loader.c
+++ b/src/loader/loader.c
@@ -95,6 +95,13 @@ overture* load_diverter(cleardns_config *config) {
     free(china_ip);
     free(gfwlist);
 
+    custom_gfwlist = config->diverter.gfwlist;
+    custom_china_ip = config->diverter.china_ip;
+    custom_chinalist = config->diverter.chinalist;
+    config->diverter.gfwlist = string_list_init();
+    config->diverter.china_ip = string_list_init();
+    config->diverter.chinalist = string_list_init();
+
     uint32_list_update(&diverter->reject_type, config->reject);
     if (!config->assets.disable) {
         assets_extract(); // extract built-in resource
diff --git a/src/utils/assets.c b/src/utils/assets.c
index 73977da..e415db8 100644
--- a/src/utils/assets.c
+++ b/src/utils/assets.c
@@ -1,15 +1,20 @@
 #include <stdlib.h>
 #include <string.h>
 #include <signal.h>
+#include "assets.h"
+#include "loader.h"
 #include "logger.h"
 #include "sundry.h"
 #include "system.h"
 #include "constant.h"
 #include "structure.h"
-#include "assets.h"
 
 asset **update_info;
 
+char **custom_gfwlist;
+char **custom_china_ip;
+char **custom_chinalist;
+
 void assets_update_entry();
 void extract(const char *file);
 
@@ -83,7 +88,18 @@ void assets_update_entry() { // receive SIGALRM for update all assets
         }
         free(content);
     }
-    // TODO: refresh `/etc/cleardns/*.txt`
+
+    char *gfwlist = string_join(WORK_DIR, ASSET_GFW_LIST);
+    char *china_ip = string_join(WORK_DIR, ASSET_CHINA_IP);
+    char *chinalist = string_join(WORK_DIR, ASSET_CHINA_LIST);
+    save_string_list(gfwlist, custom_gfwlist);
+    save_string_list(china_ip, custom_china_ip);
+    save_string_list(chinalist, custom_chinalist);
+    free(chinalist);
+    free(china_ip);
+    free(gfwlist);
+    load_diverter_assets(); // load assets data into `WORK_DIR`
+
     log_info("Restart overture to apply new assets");
     run_command("pgrep overture | xargs kill"); // restart overture
     log_info("Assets update complete");