diff --git a/filter.go b/filter.go
index 61d1b0c..1194985 100644
--- a/filter.go
+++ b/filter.go
@@ -248,6 +248,15 @@ func (f *filter) getValue(dataType string, sourceValue gjson.Result, defaultValu
 			return nil, err
 		}
 		return result, nil
+	case DataTypeObject:
+		// object
+		var (
+			result map[string]interface{}
+		)
+		if err := util.JSON.UnmarshalWithNumber([]byte(sourceValueStr), &result); nil != err {
+			return nil, err
+		}
+		return result, nil
 	default:
 		return nil, errors.New(dataType + " is not support!")
 	}