fix default mapping error

ini.go

@@ -34,7 +34,7 @@ const (
 	// Maximum allowed depth when recursively substituing variable names.
 	_DEPTH_VALUES = 99
 
-	_VERSION = "1.8.2"
+	_VERSION = "1.8.3"
 )
 
 func Version() string {

struct.go

@@ -94,13 +94,14 @@ func setWithProperType(t reflect.Type, key *Key, field reflect.Value, delim stri
 		field.SetBool(boolVal)
 	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
 		durationVal, err := key.Duration()
-		if err == nil {
+		// Skip zero value
+		if err == nil && int(durationVal) > 0 {
 			field.Set(reflect.ValueOf(durationVal))
 			return nil
 		}
 
 		intVal, err := key.Int64()
-		if err != nil {
+		if err != nil || intVal == 0 {
 			return nil
 		}
 		field.SetInt(intVal)