diff --git a/go.mod b/go.mod
index d9570eea..fb4efae8 100644
--- a/go.mod
+++ b/go.mod
@@ -12,7 +12,7 @@ require (
 	github.com/FloatTech/sqlite v1.7.1
 	github.com/FloatTech/ttl v0.0.0-20240716161252-965925764562
 	github.com/FloatTech/zbpctrl v1.7.0
-	github.com/FloatTech/zbputils v1.7.2-0.20250215093101-6f54af0043d0
+	github.com/FloatTech/zbputils v1.7.2-0.20250218141621-395d42447fcd
 	github.com/RomiChan/syncx v0.0.0-20240418144900-b7402ffdebc7
 	github.com/RomiChan/websocket v1.4.3-0.20220227141055-9b2c6168c9c5
 	github.com/antchfx/htmlquery v1.3.4
diff --git a/go.sum b/go.sum
index 381fc71a..3498610f 100644
--- a/go.sum
+++ b/go.sum
@@ -17,8 +17,8 @@ github.com/FloatTech/ttl v0.0.0-20240716161252-965925764562 h1:snfw7FNFym1eNnLrQ
 github.com/FloatTech/ttl v0.0.0-20240716161252-965925764562/go.mod h1:fHZFWGquNXuHttu9dUYoKuNbm3dzLETnIOnm1muSfDs=
 github.com/FloatTech/zbpctrl v1.7.0 h1:Hxo6EIhJo+pHjcQP9QgIJgluaT1pHH99zkk3njqTNMo=
 github.com/FloatTech/zbpctrl v1.7.0/go.mod h1:xmM4dSwHA02Gei3ogCRiG+RTrw/7Z69PfrN5NYf8BPE=
-github.com/FloatTech/zbputils v1.7.2-0.20250215093101-6f54af0043d0 h1:ZxhHM+5pR/BXbpOYYK1JW6OrOFlSU8iHcd9Djkwf9ok=
-github.com/FloatTech/zbputils v1.7.2-0.20250215093101-6f54af0043d0/go.mod h1:PIkhkUIfc5fQUGEi3IKewAD+bR1z0DS8rMwY6CyVLPY=
+github.com/FloatTech/zbputils v1.7.2-0.20250218141621-395d42447fcd h1:wjRlIqtCV1EQi46hmVaFEo5vgXqrN26b0xynoDtuYNY=
+github.com/FloatTech/zbputils v1.7.2-0.20250218141621-395d42447fcd/go.mod h1:PIkhkUIfc5fQUGEi3IKewAD+bR1z0DS8rMwY6CyVLPY=
 github.com/PuerkitoBio/goquery v1.5.1/go.mod h1:GsLWisAFVj4WgDibEWF4pvYnkVQBpKBKeU+7zCJoLcc=
 github.com/RomiChan/syncx v0.0.0-20240418144900-b7402ffdebc7 h1:S/ferNiehVjNaBMNNBxUjLtVmP/YWD6Yh79RfPv4ehU=
 github.com/RomiChan/syncx v0.0.0-20240418144900-b7402ffdebc7/go.mod h1:vD7Ra3Q9onRtojoY5sMCLQ7JBgjUsrXDnDKyFxqpf9w=
diff --git a/plugin/aichat/main.go b/plugin/aichat/main.go
index 1621ac16..c9ed38f6 100644
--- a/plugin/aichat/main.go
+++ b/plugin/aichat/main.go
@@ -41,7 +41,7 @@ var (
 
 var (
 	modelname    = "deepseek-ai/DeepSeek-R1"
-	systemprompt = "你正在QQ群与用户聊天，用户发送了消息。按自己的心情简短思考后条理清晰地回复。"
+	systemprompt = "你正在QQ群与用户聊天，你将收到不同的用户发送的一至多条消息，每条消息以【】包裹的用户名开始，随后是消息内容。按自己的心情简短思考后条理清晰地回复。"
 	sepstr       = ""
 	noreplyat    = false
 )