diff --git a/json/llmusage_accounting_failed.json b/json/llmusage_accounting_failed.json
index 125d1f2..5c5bd17 100644
--- a/json/llmusage_accounting_failed.json
+++ b/json/llmusage_accounting_failed.json
@@ -3,8 +3,34 @@
     "title": "记账失败记录",
     "params": {
         "sortby": "failed_time desc",
+        "toolbar": {
+            "tools": [
+                {
+                    "name": "show_reason",
+                    "label": "原因",
+                    "selected_row": true
+                }
+            ]
+        },
+        "binds": [
+            {
+                "wid": "self",
+                "event": "show_reason",
+                "actiontype": "urlwidget",
+                "target": "PopupWindow",
+                "popup_options": {
+                    "title": "失败原因",
+                    "cwidth": 30,
+                    "cheight": 20
+                },
+                "options": {
+                    "url": "{{entire_url('../api/show_failed_reason.dspy')}}",
+                    "params": {"id": "${id}$"}
+                }
+            }
+        ],
         "browserfields": {
-            "exclouded": ["id"],
+            "exclouded": ["id", "failed_reason"],
             "alters": {}
         },
         "editexclouded": ["id", "llmusageid", "failed_time"],
diff --git a/wwwroot/api/show_failed_reason.dspy b/wwwroot/api/show_failed_reason.dspy
new file mode 100644
index 0000000..4c0eed4
--- /dev/null
+++ b/wwwroot/api/show_failed_reason.dspy
@@ -0,0 +1,28 @@
+record_id = params_kw.get('id', '')
+
+reason = '未找到记录'
+if record_id:
+    dbname = get_module_dbname('llmage')
+    async with DBPools().sqlorContext(dbname) as sor:
+        rows = await sor.R('llmusage_accounting_failed', {'id': record_id})
+        if rows:
+            reason = rows[0].get('failed_reason', '') or '（空）'
+
+return {
+    "widgettype": "VScrollPanel",
+    "options": {
+        "width": "100%",
+        "height": "100%",
+        "css": "card",
+        "padding": "12px"
+    },
+    "subwidgets": [
+        {
+            "widgettype": "Text",
+            "options": {
+                "text": reason,
+                "i18n": False
+            }
+        }
+    ]
+}