修复自定义Marshal序列化的BUG

logger.go

@@ -9,15 +9,15 @@ package consts
 
 type LogLevel string
 
-func (ll LogLevel) String() string {
-	return string(ll)
+func (ll *LogLevel) String() string {
+	return string(*ll)
 }
 
-func (ll LogLevel) MarshalJSON() ([]byte, error) {
+func (ll *LogLevel) MarshalJSON() ([]byte, error) {
 	return []byte(ll.String()), nil
 }
 
-func (ll LogLevel) IsValid() bool {
+func (ll *LogLevel) IsValid() bool {
 	levelList := []LogLevel{
 		LogLevelDebug,
 		LogLevelInfo,
@@ -26,7 +26,7 @@ func (ll LogLevel) IsValid() bool {
 		LogLevelPanic,
 	}
 	for _, level := range levelList {
-		if level == ll {
+		if level == *ll {
 			return true
 		}
 	}