diff --git a/resource/runner/problem/example/description.md b/resource/runner/problem/example/description.md
index 9eadab5..cd9c2cf 100644
--- a/resource/runner/problem/example/description.md
+++ b/resource/runner/problem/example/description.md
@@ -1,5 +1,9 @@
 # A+B Problem
 
+## Tags
+
+- Easy
+
 ## Description
 
 Given two integers `a` and `b`, calculate the sum of them.