diff --git a/.gitignore b/.gitignore
index 42ae9c4..dc01812 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,21 @@
+# Created by .ignore support plugin (hsz.mobi)
+### Go template
+# Binaries for programs and plugins
+*.exe
+*.exe~
+*.dll
+*.so
+*.dylib
+
+# Test binary, built with `go test -c`
+*.test
+
+# Output of the go coverage tool, specifically when used with LiteIDE
+*.out
+
+# Dependency directories (remove the comment below to include it)
+# vendor/
+
 .idea/
 .DS_Store
 .history/
diff --git a/id_validator.go b/id_validator.go
index 1343b51..803d208 100644
--- a/id_validator.go
+++ b/id_validator.go
@@ -122,7 +122,7 @@ func FakeRequireId(isEighteen bool, address string, birthday string, sex int) st
 }
 
 // 15位升级18位号码
-func Upgrade(id string) (string, error) {
+func UpgradeId(id string) (string, error) {
 	if !IsValid(id) {
 		return "", errors.New("Not Valid ID card number.")
 	}