diff --git a/models/pipeline_pm_notices.json b/models/pipeline_pm_notices.json
index 194940d..e71d1c2 100644
--- a/models/pipeline_pm_notices.json
+++ b/models/pipeline_pm_notices.json
@@ -11,7 +11,7 @@
         {"name": "id", "title": "主键ID", "type": "str", "length": 32, "nullable": "no"},
         {"name": "tenant_id", "title": "项目ID", "type": "str", "length": 32, "nullable": "no"},
         {"name": "task_id", "title": "关联任务ID", "type": "str", "length": 32, "nullable": "yes"},
-        {"name": "fingerprint", "title": "缺口指纹(去重)", "type": "str", "length": 64, "nullable": "no"},
+        {"name": "fingerprint", "title": "缺口指纹(去重)", "type": "str", "length": 255, "nullable": "no"},
         {"name": "gap_kind", "title": "缺口类型(G1/G2/G3)", "type": "str", "length": 8, "nullable": "yes"},
         {"name": "gap_text", "title": "缺口事实描述", "type": "text"},
         {"name": "status", "title": "通知状态", "type": "str", "length": 16, "nullable": "no", "default": "pending"},