diff --git a/study/src/main/resources/application.yml b/study/src/main/resources/application.yml
index 4e8655a962..e3503a5fb9 100644
--- a/study/src/main/resources/application.yml
+++ b/study/src/main/resources/application.yml
@@ -6,4 +6,5 @@ server:
     accept-count: 1
     max-connections: 1
     threads:
+      min-spare: 2
       max: 2