diff --git a/media_platform/douyin/help.py b/media_platform/douyin/help.py
index 7034846..1ed3111 100644
--- a/media_platform/douyin/help.py
+++ b/media_platform/douyin/help.py
@@ -20,7 +20,7 @@ import random
 import execjs
 from playwright.async_api import Page
 
-douyin_sign_obj = execjs.compile(open('libs/douyin.js', encoding='utf-8').read())
+douyin_sign_obj = execjs.compile(open('libs/douyin.js', encoding='utf-8-sig').read())
 
 def get_web_id():
     """
diff --git a/media_platform/zhihu/help.py b/media_platform/zhihu/help.py
index 7a62c4b..83dccd1 100644
--- a/media_platform/zhihu/help.py
+++ b/media_platform/zhihu/help.py
@@ -36,7 +36,7 @@ def sign(url: str, cookies: str) -> Dict:
     """
     global ZHIHU_SGIN_JS
     if not ZHIHU_SGIN_JS:
-        with open("libs/zhihu.js", "r") as f:
+        with open("libs/zhihu.js", mode="r", encoding="utf-8-sig") as f:
             ZHIHU_SGIN_JS = execjs.compile(f.read())
 
     return ZHIHU_SGIN_JS.call("get_sign", url, cookies)