diff --git a/package.json b/package.json
index 75a45a8..d8bee0c 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,6 @@
 {
     "name": "relationship.js",
     "version": "1.2.3",
-    "summary": "relationship.js is a javascript library for chinese family relationship. 中国家庭亲戚称谓计算器，家庭关系、亲戚关系算法。",
     "description": "Chinese kinship library",
     "author": "HaoLe Zheng",
     "license": "MIT",