diff --git a/wwwroot/knowledge_bases_list/confirm_delete_form.dspy b/wwwroot/knowledge_bases_list/confirm_delete_form.dspy
new file mode 100644
index 0000000..cfc9137
--- /dev/null
+++ b/wwwroot/knowledge_bases_list/confirm_delete_form.dspy
@@ -0,0 +1,32 @@
+ns = params_kw.copy()
+kb_id = ns.get('kb_id', '')
+namestr = ns.get('name', '')
+
+if not kb_id:
+    return json.dumps({"status": "error", "error": "kb_id required"}, ensure_ascii=False)
+
+result = {
+    "widgettype": "VBox",
+    "options": {"padding": "20px", "spacing": "14px", "width": "100%", "alignItems": "center"},
+    "subwidgets": [
+        {"widgettype": "Text", "options": {"text": "\u26a0\ufe0f \u786e\u8ba4\u5220\u9664\u77e5\u8bc6\u5e93",
+             "cfontsize": 16, "fontWeight": "bold", "color": "#e74c3c", "halign": "center"}},
+        {"widgettype": "Text", "options": {"text": "\u300c" + namestr + "\u300d",
+             "cfontsize": 14, "color": "#333", "halign": "center"}},
+        {"widgettype": "Text", "options": {"text": "\u8be5\u64cd\u4f5c\u4f1a\u5220\u9664\u77e5\u8bc6\u5e93\u5185\u6240\u6709\u6587\u4ef6\u3001\u6807\u7b7e\u548c\u6570\u636e\uff0c\u4e0d\u53ef\u6062\u590d\uff01",
+             "cfontsize": 12, "color": "#999", "halign": "center"}},
+        {"widgettype": "HBox", "options": {"spacing": "12px", "justifyContent": "center"},
+         "subwidgets": [
+             {"widgettype": "Button", "options": {"label": "\u53d6\u6d88",
+                  "bgcolor": "#f0f0f0", "color": "#666", "padding": "6px 20px", "borderRadius": "6px"},
+              "binds": [{"wid": "self", "event": "click", "actiontype": "script",
+                         "script": "var pw=null;var w=this;while(w){if(w instanceof bricks.PopupWindow||w instanceof bricks.Popup){pw=w;break};w=w.parent};if(pw){pw.dismiss();pw.destroy()}"}]},
+             {"widgettype": "Button", "options": {"label": "\u786e\u8ba4\u5220\u9664",
+                  "bgcolor": "#e74c3c", "color": "#fff", "padding": "6px 20px", "borderRadius": "6px"},
+              "binds": [{"wid": "self", "event": "click", "actiontype": "urlwidget",
+                         "target": "app.rag_main_content", "mode": "replace",
+                         "options": {"url": "/rag/knowledge_bases_list/delete_kb.dspy?kb_id=" + kb_id}}]}
+         ]}
+    ]
+}
+return result
diff --git a/wwwroot/knowledge_bases_list/kb_list.dspy b/wwwroot/knowledge_bases_list/kb_list.dspy
index c85c8a8..f6b0c14 100644
--- a/wwwroot/knowledge_bases_list/kb_list.dspy
+++ b/wwwroot/knowledge_bases_list/kb_list.dspy
@@ -50,14 +50,17 @@ async with get_sor_context(env, 'rag') as sor:
                     {"widgettype": "Text", "options": {"text": "\U0001f5d1\ufe0f \u5220\u9664",
                          "cfontsize": 12, "color": "#e74c3c", "css": "clickable",
                          "padding": "2px 8px", "borderRadius": "4px", "bgcolor": "#fee"},
-                     "binds": [{"wid": "self", "event": "click", "actiontype": "script",
-                                "script": "event.stopPropagation();"
-                                "var nm=" + safe_name + ";"
-                                "if(!confirm('\u786e\u8ba4\u5220\u9664\u77e5\u8bc6\u5e93\u300c'+nm+'\u300d\uff1f \u6b64\u64cd\u4f5c\u4e0d\u53ef\u6062\u590d\uff01'))return;"
-                                "fetch('/rag/knowledge_bases_list/delete_kb.dspy?kb_id=" + idstr + "').then(function(r){return r.json()}).then(function(d){"
-                                "if(d.status==='error'){alert('\u5220\u9664\u5931\u8d25\uff1a'+d.error);return;}"
-                                "window.location.href='/rag/knowledge_bases_list/index.ui';"
-                                "}).catch(function(){alert('\u7f51\u7edc\u9519\u8bef')});"}]}
+                     "binds": [
+                         {"wid": "self", "event": "click", "actiontype": "script",
+                          "script": "event.stopPropagation()"},
+                         {"wid": "self", "event": "click", "actiontype": "urlwidget",
+                          "target": "PopupWindow",
+                          "popup_options": {"title": "\u5220\u9664\u77e5\u8bc6\u5e93",
+                                             "width": "28%", "height": "auto",
+                                             "movable": True, "resizable": True, "modal": True},
+                          "options": {"url": "/rag/knowledge_bases_list/confirm_delete_form.dspy",
+                                      "params": {"kb_id": idstr, "name": namestr}}}
+                     ]}
                 ]}
             ],
             "binds": [