diff --git a/docker/conf/config.toml b/docker/conf/config.toml
index 7255edd0..b2a920b3 100644
--- a/docker/conf/config.toml
+++ b/docker/conf/config.toml
@@ -1,6 +1,6 @@
 Listen = "0.0.0.0:5678"
 ProxyURL = "http://172.22.11.200:7777"
-MysqlDns = "root:12345678@tcp(172.28.173.76:3307)/chatgpt_plus?charset=utf8mb4&parseTime=True&loc=Local"
+MysqlDns = "root:12345678@tcp(172.28.173.76:3307)/chatgpt_plus?charset=utf8mb4&collation=utf8mb4_unicode_ci&parseTime=True&loc=Local"
 StaticDir = "./static"
 StaticUrl = "http://localhost:8080/static"