diff --git a/proxy/socks/config.go b/proxy/socks/config.go
index 595c9949..0d380bd2 100644
--- a/proxy/socks/config.go
+++ b/proxy/socks/config.go
@@ -2,22 +2,22 @@ package socks
 
 import "v2ray.com/core/common/protocol"
 
-func (v *Account) Equals(another protocol.Account) bool {
+func (a *Account) Equals(another protocol.Account) bool {
 	if account, ok := another.(*Account); ok {
-		return v.Username == account.Username
+		return a.Username == account.Username
 	}
 	return false
 }
 
-func (v *Account) AsAccount() (protocol.Account, error) {
-	return v, nil
+func (a *Account) AsAccount() (protocol.Account, error) {
+	return a, nil
 }
 
-func (v *ServerConfig) HasAccount(username, password string) bool {
-	if v.Accounts == nil {
+func (c *ServerConfig) HasAccount(username, password string) bool {
+	if c.Accounts == nil {
 		return false
 	}
-	storedPassed, found := v.Accounts[username]
+	storedPassed, found := c.Accounts[username]
 	if !found {
 		return false
 	}