diff --git a/My_server/Cargo.toml b/My_server/Cargo.toml
index fb9d442..b481536 100644
--- a/My_server/Cargo.toml
+++ b/My_server/Cargo.toml
@@ -148,7 +148,7 @@ base64 = "0.22"
 bytes = "1"
 csv = "1"
 socket2 = "0.5"
-dashmap = "5"
+dashmap = "6"
 
 # 消息中间件 (NATS — 为微服务拆分做准备)
 async-nats = "0.38"