diff --git a/app/controllers/main_controller.rb b/app/controllers/main_controller.rb
index 3fc353bdd..1ca65afa3 100644
--- a/app/controllers/main_controller.rb
+++ b/app/controllers/main_controller.rb
@@ -10,7 +10,7 @@ class MainController < ApplicationController
     shixun = Shixun.find(3575)
     shixun_tomcat = edu_setting('cloud_bridge')
     uri = "#{shixun_tomcat}/bridge/jupyter/get"
-    params = {tpiID: "tpm_#{shixun.id}", :containers => "#{Base64.urlsafe_encode64(shixun_container_limit(shixun))}"}
+    params = {tpiID: "tpm#{shixun.id}", :containers => "#{Base64.urlsafe_encode64(shixun_container_limit(shixun))}"}
 
 
     logger.info "test_juypter: uri->#{uri}, params->#{params}"