diff --git a/RELEASE.md b/RELEASE.md
index ecb268d..ee662a3 100644
--- a/RELEASE.md
+++ b/RELEASE.md
@@ -1,3 +1,9 @@
+## 0.1.6
+
+2024-09-22
+
+- Fix load dll error in Python 3.7&3.8
+
 ## 0.1.5
 
 2024-07-21
diff --git a/src/openctp_ctp_channels/__about__.py b/src/openctp_ctp_channels/__about__.py
index 66a87bb..2fb2513 100644
--- a/src/openctp_ctp_channels/__about__.py
+++ b/src/openctp_ctp_channels/__about__.py
@@ -1 +1 @@
-__version__ = '0.1.5'
+__version__ = '0.1.6'
diff --git a/src/openctp_ctp_channels/channels.py b/src/openctp_ctp_channels/channels.py
index 1708eaa..8efe8f8 100644
--- a/src/openctp_ctp_channels/channels.py
+++ b/src/openctp_ctp_channels/channels.py
@@ -11,12 +11,12 @@
 import requests
 
 CHANNELS = {
-    'ctp': '上期技术CTPAPI',
-    'tts': 'openctp TTS 7x24',
-    'tts-s': 'openctp TTS仿真(接实盘行情)',
-    'emt': '东方财富EMT',
-    'xtp': '中泰证券XTP',
-    'tora': '华鑫证券奇点股票',
+    'ctp': '上期技术CTP柜台',
+    'tts': 'openctp TTS柜台 7x24环境',
+    'tts-s': 'openctp TTS柜台 仿真环境(接实盘行情)',
+    'emt': '东方财富EMT柜台',
+    'xtp': '中泰证券XTP柜台',
+    'tora': '华鑫证券奇点股票柜台',
     'qq': '腾讯财经(只有行情)',
     'sina': '新浪财经(只有行情)',
 }
@@ -284,7 +284,7 @@ def current_channel(self):
     def _del_old_files(self):
         for _, _, filenames in os.walk(self._ctp_lib_path):
             for filename in filenames:
-                if not filename.startswith("msvcp140"):
+                if filename.startswith("thost"):
                     os.remove(self._ctp_lib_path / filename)
 
     def _copy_libs(self, del_old: bool = True):