diff --git a/README.md b/README.md
index e23a5d96..13d25d82 100644
--- a/README.md
+++ b/README.md
@@ -13,7 +13,8 @@
 <img src="https://travis-ci.org/halfrost/LeetCode-Go.svg?branch=master">
 <img src="https://goreportcard.com/badge/github.com/halfrost/LeetCode-Go">
 <img src="https://img.shields.io/badge/runtime%20beats-100%25-success">
-<img alt="GitHub go.mod Go version" src="https://img.shields.io/github/go-mod/go-version/halfrost/LeetCode-Go?color=26C2F0">
+<!--<img alt="GitHub go.mod Go version" src="https://img.shields.io/github/go-mod/go-version/halfrost/LeetCode-Go?color=26C2F0">-->
+<img alt="Support Go version" src="https://img.shields.io/badge/Go-v1.15-26C2F0">
 <img src="https://visitor-badge.laobi.icu/badge?page_id=halfrost.LeetCode-Go">
 </p>
 
diff --git a/go.mod b/go.mod
deleted file mode 100644
index b0f76088..00000000
--- a/go.mod
+++ /dev/null
@@ -1,3 +0,0 @@
-module LeetCode-Go
-
-go 1.14