diff --git a/plugin/ai_reply/main.go b/plugin/ai_reply/main.go
index 2585b8c2..d94a3549 100644
--- a/plugin/ai_reply/main.go
+++ b/plugin/ai_reply/main.go
@@ -104,7 +104,7 @@ func init() { // 插件主体
 			}
 		})
 
-	ent.OnRegex(`^设置语音模式\s*(.*)\s+(\d*)$`, zero.AdminPermission).SetBlock(true).Handle(func(ctx *zero.Ctx) {
+	ent.OnRegex(`^设置语音模式\s*(\S\D*)\s+(\d*)$`, zero.AdminPermission).SetBlock(true).Handle(func(ctx *zero.Ctx) {
 		param := ctx.State["regex_matched"].([]string)[1]
 		num := ctx.State["regex_matched"].([]string)[2]
 		n := 0