diff --git a/app/models/test_set.rb b/app/models/test_set.rb
index c0674cdf0..861f5b3ed 100644
--- a/app/models/test_set.rb
+++ b/app/models/test_set.rb
@@ -1,7 +1,7 @@
 class TestSet < ApplicationRecord
   # match_rule: 匹配规则： full： 完全匹配， last： 末尾匹配
   #
-  validates :input, length: { maximum: 5000, too_long: "不能超过5000个字符" }
+  validates :input, length: { maximum: 65000, too_long: "不能超过65000个字符" }
   validates :output, length: { maximum: 65000, too_long: "不能超过65000个字符" }
 
 end