diff --git a/README.md b/README.md
index 874dcf3..5671f6c 100644
--- a/README.md
+++ b/README.md
@@ -137,9 +137,7 @@ qq交流群：577704006（左边二维码） or 点击链接加入群聊[pywxdum
 
 # 四、致谢
 
-[![PyWxDump 贡献者](https://contrib.rocks/image?repo=xaoyaoo/PyWxDump)](https://github.com/xaoyaoo/PyWxDump/graphs/contributors)
-
-[![UI 贡献者](https://contrib.rocks/image?repo=xaoyaoo/wxdump_web)](https://github.com/xaoyaoo/wxdump_web/graphs/contributors)
+[![PyWxDump 贡献者](https://contrib.rocks/image?repo=xaoyaoo/PyWxDump)](https://github.com/xaoyaoo/PyWxDump/graphs/contributors)[![UI 贡献者](https://contrib.rocks/image?repo=xaoyaoo/wxdump_web)](https://github.com/xaoyaoo/wxdump_web/graphs/contributors)
 
 # 五、许可证
 
diff --git a/pywxdump/api/api.py b/pywxdump/api/api.py
index 0f71b05..e11bab9 100644
--- a/pywxdump/api/api.py
+++ b/pywxdump/api/api.py
@@ -99,6 +99,8 @@ def contact_count_list():
         chat_count = analyzer.get_chat_count(msg_path)
         for contact in contact_list:
             contact["chat_count"] = chat_count.get(contact["username"], 0)
+        # 去重
+        contact_list = [dict(t) for t in {tuple(d.items()) for d in contact_list}]
         # 降序
         contact_list = sorted(contact_list, key=lambda x: x["chat_count"], reverse=True)
 
diff --git a/pywxdump/api/rjson.py b/pywxdump/api/rjson.py
index 8985892..11a3e87 100644
--- a/pywxdump/api/rjson.py
+++ b/pywxdump/api/rjson.py
@@ -1,7 +1,7 @@
 import logging
 
 
-def ReJson(code: int, body: dict = None, msg: str = None, error: str = None, extra: dict = None) -> dict:
+def ReJson(code: int, body: [dict, list] = None, msg: str = None, error: str = None, extra: dict = None) -> dict:
     """
         返回格式化的json数据
     :param code: 状态码  int