diff --git a/map.go b/map.go
index e7ac6ff..dc74493 100644
--- a/map.go
+++ b/map.go
@@ -266,8 +266,8 @@
 				if !ok {
 					return nil, perrors.Errorf("the type of map key must be string, but get %v", k)
 				}
-				if instValue.Elem().Kind() == reflect.Map {
-					instValue.Elem().SetMapIndex(reflect.ValueOf(k), EnsureRawValue(v))
+				if instValue.Kind() == reflect.Map {
+					instValue.SetMapIndex(reflect.ValueOf(k), EnsureRawValue(v))
 				} else {
 					fieldValue = instValue.FieldByName(fieldName)
 					if fieldValue.IsValid() {
diff --git a/pojo.go b/pojo.go
index ad34bc9..792c226 100644
--- a/pojo.go
+++ b/pojo.go
@@ -388,6 +388,10 @@
 		return nil
 	}
 
+	if s.typ.Kind() == reflect.Map {
+		return reflect.MakeMap(s.typ).Interface()
+	}
+
 	return reflect.New(s.typ).Interface()
 }