diff --git a/app/views/shixun_lists/index.json.jbuilder b/app/views/shixun_lists/index.json.jbuilder
index 83437af77..d6c651743 100644
--- a/app/views/shixun_lists/index.json.jbuilder
+++ b/app/views/shixun_lists/index.json.jbuilder
@@ -11,7 +11,7 @@ json.shixun_list do
     highlights[:content]&.first&.sub!(reg, '')
 
     json.title highlights.delete(:name)&.join('...') || obj.searchable_title
-    json.description highlights[:description]&.join('...') || Util.extract_content(obj.description)[0..Searchable::MAXIMUM_LENGTH]
+    json.description highlights[:description]&.join('...') || Util.extract_content(obj.description)[0..300]
 
     json.content highlights
     json.level level_to_s(obj.trainee)