From 221a3f3e69ad9425c09f21766568b9df557fd278 Mon Sep 17 00:00:00 2001
From: xianrenge <34586161+xianrenge@users.noreply.github.com>
Date: Mon, 17 Aug 2026 23:46:40 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20=E4=BF=AE=E5=A4=8D=E7=9F=A5=E8=AF=86?=
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---
 apps/desktop/capabilities/default.json |  3 +--
 docs/FEATURES.md                       |  1 +
 ui/src/pages/KnowledgeBasePage.tsx     | 11 +++++++++--
 3 files changed, 11 insertions(+), 4 deletions(-)

diff --git a/apps/desktop/capabilities/default.json b/apps/desktop/capabilities/default.json
index 3f402d4..3d50064 100644
--- a/apps/desktop/capabilities/default.json
+++ b/apps/desktop/capabilities/default.json
@@ -3,6 +3,5 @@
   "identifier": "default",
   "description": "主窗口默认能力",
   "windows": ["main"],
-  "permissions": ["core:default", "opener:default"]
+  "permissions": ["core:default", "opener:default", "dialog:default"]
 }
-
diff --git a/docs/FEATURES.md b/docs/FEATURES.md
index ffc28fa..faf518d 100644
--- a/docs/FEATURES.md
+++ b/docs/FEATURES.md
@@ -230,6 +230,7 @@
 
 ### 2026-08-17
 
+- 修复：知识库「添加目录 → 浏览…」无响应——为 dialog 插件在 capabilities 中补充权限（`dialog:default`），并让选择器异常在前端可见。
 - 知识库「添加目录」弹窗支持两种方式选择目录：手动输入路径，或点击「浏览…」调起系统原生文件夹选择器（接入 tauri-plugin-dialog）。
 - 知识库新增「目录来源」：支持添加多个本地目录批量导入（后缀过滤默认全部、可开关递归子目录），只收录文本 / 图片视频 / 音频三类文件其余忽略，支持重新扫描增量导入与按来源删除。
 - 新增「知识库」选项卡与完整操作界面：知识库管理（新建/编辑/删除）、多格式文档上传（文本类 + PDF）、自动分块与全文检索（FTS5 trigram + BM25）、文档预览 / 重新切分 / 删除、检索结果一键复制。
diff --git a/ui/src/pages/KnowledgeBasePage.tsx b/ui/src/pages/KnowledgeBasePage.tsx
index 42c9ba1..247e301 100644
--- a/ui/src/pages/KnowledgeBasePage.tsx
+++ b/ui/src/pages/KnowledgeBasePage.tsx
@@ -777,9 +777,11 @@ function SourceModal({
   const [path, setPath] = useState("");
   const [extensions, setExtensions] = useState("");
   const [recursive, setRecursive] = useState(true);
+  const [browseMsg, setBrowseMsg] = useState<string | null>(null);
   const valid = path.trim().length > 0;
 
   async function handleBrowse() {
+    setBrowseMsg(null);
     try {
       const dir = await openDialog({
         directory: true,
@@ -788,9 +790,11 @@ function SourceModal({
       });
       if (typeof dir === "string" && dir) {
         setPath(dir);
+      } else {
+        setBrowseMsg("已取消选择");
       }
-    } catch {
-      // 取消或选择器异常时不改变当前输入
+    } catch (e) {
+      setBrowseMsg(`无法打开文件夹选择器：${String(e)}`);
     }
   }
 
@@ -827,6 +831,9 @@ function SourceModal({
                 浏览…
               </button>
             </div>
+            {browseMsg ? (
+              <div className="mt-1 text-[11px] text-slate-500">{browseMsg}</div>
+            ) : null}
           </div>
           <div>
             <label className="mb-1 block text-xs text-slate-400">后缀过滤（可选）</label>