diff --git a/app/models/challenge.rb b/app/models/challenge.rb
index 42d7f3499..38aa2812a 100644
--- a/app/models/challenge.rb
+++ b/app/models/challenge.rb
@@ -75,7 +75,7 @@ class Challenge < ApplicationRecord
     if identifier.present?
       shixun.task_pass || self.status != 3 ? "/tasks/#{identifier}" : ""
     else
-      self.position == 1 ? "/api/shixuns/#{shixun.identifier}/shixun_exec" : ""
+      self.position == 1 ? "/shixuns/#{shixun.identifier}/shixun_exec.json" : ""
     end
   end