diff --git a/agent/cmd/server/conf/app.yaml b/agent/cmd/server/conf/app.yaml
index 0c57556fa..20dcbb622 100644
--- a/agent/cmd/server/conf/app.yaml
+++ b/agent/cmd/server/conf/app.yaml
@@ -1,6 +1,7 @@
 base:
   install_dir: /opt
   mode: dev
+  is_demo: false
 
 remote_url:
   app_repo: https://apps-assets.fit2cloud.com
diff --git a/agent/init/viper/viper.go b/agent/init/viper/viper.go
index 7b5dfcead..f1f77cdb4 100644
--- a/agent/init/viper/viper.go
+++ b/agent/init/viper/viper.go
@@ -50,7 +50,6 @@ func Init() {
 	}
 
 	global.CONF = serverConfig
-	global.CONF.Base.IsDemo = v.GetBool("system.is_demo")
 
 	initBaseInfo()
 	global.Viper = v
diff --git a/core/app/api/v2/host.go b/core/app/api/v2/host.go
index 9bcee15d3..33312855d 100644
--- a/core/app/api/v2/host.go
+++ b/core/app/api/v2/host.go
@@ -276,6 +276,12 @@ func (b *BaseApi) WsSsh(c *gin.Context) {
 	}
 	defer wsConn.Close()
 
+	if global.CONF.Base.IsDemo {
+		if wshandleError(wsConn, errors.New("   demo server, prohibit this operation!")) {
+			return
+		}
+	}
+
 	id, err := strconv.Atoi(c.Query("id"))
 	if wshandleError(wsConn, errors.WithMessage(err, "invalid param id in request")) {
 		return