diff --git a/db/migrate/20191216071931_modify_task_pass_for_shixuns.rb b/db/migrate/20191216071931_modify_task_pass_for_shixuns.rb
new file mode 100644
index 000000000..b1e4372ff
--- /dev/null
+++ b/db/migrate/20191216071931_modify_task_pass_for_shixuns.rb
@@ -0,0 +1,5 @@
+class ModifyTaskPassForShixuns < ActiveRecord::Migration[5.2]
+  def change
+    change_column :shixuns, :task_pass, :boolean, :default => true
+  end
+end