diff --git a/app/controllers/jupyters_controller.rb b/app/controllers/jupyters_controller.rb
index 6cc78536a..ecb411b36 100644
--- a/app/controllers/jupyters_controller.rb
+++ b/app/controllers/jupyters_controller.rb
@@ -88,7 +88,7 @@ class JupytersController < ApplicationController
 
     def timeinfo_with_tpi
         myshixun = Myshixun.find_by(identifier: params[:identifier])
-        info = jupyter_timeinfo_tpi(shixun)
+        info = jupyter_timeinfo_tpi(myshixun)
         render json: {status: 0}.merge(info)
     end