diff --git a/soong_workflow/models/soong_workflow_log.py b/soong_workflow/models/soong_workflow_log.py
index c9fccdc92..075657e6b 100644
--- a/soong_workflow/models/soong_workflow_log.py
+++ b/soong_workflow/models/soong_workflow_log.py
@@ -24,7 +24,7 @@ class SoongWorkflowLog(models.Model):
     done_by = fields.Many2one(comodel_name="res.users", string="审批人")
     lase_click_date = fields.Datetime(string="操作时间")
     approval_state = fields.Selection([('0', '待办'), ('1', '办理中'), ('2', '已办结'), ('3', '结束')], string='状态', default='0')
-    comment = fields.Char(string="意见")
+    comment = fields.Text(string="意见")
     date_create = fields.Datetime(string="时间", default=lambda self: fields.Datetime.now())
     document_ids = fields.Many2many('ir.attachment', string="附件")
     active = fields.Boolean(string="归档", default=True)