diff --git a/README.md b/README.md
index 7981cde..7baf86a 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,6 @@
-# chunghwa-post-query
+# 中華郵政郵件查詢
 Query ChungHwa post office
+
+查詢中華郵政掛號使用
+
+請先和中華郵政申請API使用
diff --git a/example/query.go b/example/query.go
index 51353e9..8916d5a 100644
--- a/example/query.go
+++ b/example/query.go
@@ -19,10 +19,10 @@ func main() {
 	if host != "" {
 		c.ConnectionHost = host
 	}
-	banUnitTpStatus, err := c.QueryMailDetail("44261122507318")
+	result, err := c.QueryMailDetail("44261122507318")
 	if err != nil {
 		fmt.Println(err)
 		return
 	}
-	fmt.Println("status:", banUnitTpStatus)
+	fmt.Println("status:", result)
 }