diff --git a/go.mod b/go.mod
index 9ecf4a3b..1b866d40 100644
--- a/go.mod
+++ b/go.mod
@@ -24,7 +24,7 @@ require (
 	github.com/fumiama/cron v1.3.0
 	github.com/fumiama/deepinfra v0.0.0-20250920170049-e3d1b92cc3a1
 	github.com/fumiama/go-base16384 v1.7.0
-	github.com/fumiama/go-onebot-agent v0.0.0-20250922144028-320c6b821c49
+	github.com/fumiama/go-onebot-agent v0.0.0-20250922152742-c40bb3512d63
 	github.com/fumiama/go-registry v0.2.7
 	github.com/fumiama/gotracemoe v0.0.3
 	github.com/fumiama/jieba v0.0.0-20221203025406-36c17a10b565
diff --git a/go.sum b/go.sum
index 9767d457..ea35bde6 100644
--- a/go.sum
+++ b/go.sum
@@ -63,8 +63,8 @@ github.com/fumiama/deepinfra v0.0.0-20250920170049-e3d1b92cc3a1 h1:6PglFpNVm3Dal
 github.com/fumiama/deepinfra v0.0.0-20250920170049-e3d1b92cc3a1/go.mod h1:wW05PQSn8mo1mZIoa6LBUE+3xIBjkoONvnfPTV5ZOhY=
 github.com/fumiama/go-base16384 v1.7.0 h1:6fep7XPQWxRlh4Hu+KsdH+6+YdUp+w6CwRXtMWSsXCA=
 github.com/fumiama/go-base16384 v1.7.0/go.mod h1:OEn+947GV5gsbTAnyuUW/SrfxJYUdYupSIQXOuGOcXM=
-github.com/fumiama/go-onebot-agent v0.0.0-20250922144028-320c6b821c49 h1:5Z+Ljv17X4i/PthL7eVfXq+CKlOnboRlPZeG7Nngyyk=
-github.com/fumiama/go-onebot-agent v0.0.0-20250922144028-320c6b821c49/go.mod h1:wVMgFWkR3GpipL05FkokvrV/jWFIgoEWN1jzUGa0bWg=
+github.com/fumiama/go-onebot-agent v0.0.0-20250922152742-c40bb3512d63 h1:ZdPMPIgZMH4HV4A/JIBb8G7UpLM4iUHWQ8qGjKnKiVI=
+github.com/fumiama/go-onebot-agent v0.0.0-20250922152742-c40bb3512d63/go.mod h1:wVMgFWkR3GpipL05FkokvrV/jWFIgoEWN1jzUGa0bWg=
 github.com/fumiama/go-registry v0.2.7 h1:tLEqgEpsiybQMqBv0dLHm5leia/z1DhajMupwnOHeNs=
 github.com/fumiama/go-registry v0.2.7/go.mod h1:m+wp5fF8dYgVoFkBPZl+vlK90loymaJE0JCtocVQLEs=
 github.com/fumiama/go-simple-protobuf v0.2.0 h1:ACyN1MAlu7pDR3EszWgzUeNP+IRsSHwH6V9JCJA5R5o=
diff --git a/plugin/aichat/main.go b/plugin/aichat/main.go
index d698dbd5..4292761b 100644
--- a/plugin/aichat/main.go
+++ b/plugin/aichat/main.go
@@ -2,6 +2,7 @@
 package aichat
 
 import (
+	"encoding/json"
 	"errors"
 	"math/rand"
 	"reflect"
@@ -161,12 +162,16 @@ func init() {
 			logrus.Infoln("[aichat] agent do:", reqs)
 			for _, req := range reqs {
 				if req.Action == "send_group_msg" {
-					v := reflect.ValueOf(req.Params["group_id"])
-					if !v.CanInt() {
-						logrus.Warnln("[aichat] invalid", req.Action, req.Params)
+					v, ok := req.Params["group_id"].(json.Number)
+					if !ok {
+						logrus.Warnln("[aichat] invalid group_id type", reflect.TypeOf(req.Params["group_id"]))
+						continue
+					}
+					gid, err = v.Int64()
+					if !ok {
+						logrus.Warnln("[aichat] agent conv req gid err:", err)
 						continue
 					}
-					gid = v.Int()
 					if ctx.Event.GroupID != gid && !zero.SuperUserPermission(ctx) {
 						logrus.Warnln("[aichat] refuse to send out of grp from", ctx.Event.GroupID, "to", gid)
 						continue