Use golint to normalize the code (#1)

pkg/dns/config.go

@@ -1,5 +1,5 @@
 package dns
 
 type Config struct {
-	Enable  bool
+	Enable bool
 }

pkg/dns/record.go

@@ -39,7 +39,7 @@ func newRecord(rule *Rule, flag, domain, remoteIp, ipArea string) (r *Record, er
 		Rule:   *rule,
 	}
 	err = database.DB.Create(r).Error
-	return
+	return r, err
 }
 
 func List(c *gin.Context) {

pkg/dns/rule.go

@@ -59,7 +59,7 @@ func (r *Rule) CreateOrUpdate() (err error) {
 		return
 	}
 	err = GetServer().updateRules()
-	return
+	return err
 }
 
 // Delete the dns rule in database and ruleSet
@@ -70,7 +70,7 @@ func (r *Rule) Delete() (err error) {
 		return
 	}
 	err = GetServer().updateRules()
-	return
+	return err
 }
 
 // List all dns rules those satisfy the filter
@@ -194,5 +194,4 @@ func DeleteRules(c *gin.Context) {
 		"error":  nil,
 		"data":   nil,
 	})
-	return
 }