diff --git a/yuthon_ai_agent/models/ai_report_template_config.py b/yuthon_ai_agent/models/ai_report_template_config.py
index 3863b9bbe..53d3cf69c 100644
--- a/yuthon_ai_agent/models/ai_report_template_config.py
+++ b/yuthon_ai_agent/models/ai_report_template_config.py
@@ -217,8 +217,8 @@ class AiReportTemplateChart(models.Model):
         ('polarArea', '玫瑰图'),
     ], string='图表类型', default='bar', required=True)
     label_field_id = fields.Many2one('ir.model.fields', string='分组字段',
-        domain="[('model_id', '=', model_id)]", required=True, ondelete='set null',
-        help='作为图表分类轴的字段')
+        domain="[('model_id', '=', model_id)]", ondelete='set null',
+        help='作为图表分类轴的字段（必填）')
     label_field_name = fields.Char('分组字段名',
         compute='_compute_label_field_name', store=True)
     value_field_id = fields.Many2one('ir.model.fields', string='数值字段',