diff --git a/apps/admin-web/src/pages/AdminDatabaseTablesPage.tsx b/apps/admin-web/src/pages/AdminDatabaseTablesPage.tsx
index 91f38076..62e5eacc 100644
--- a/apps/admin-web/src/pages/AdminDatabaseTablesPage.tsx
+++ b/apps/admin-web/src/pages/AdminDatabaseTablesPage.tsx
@@ -28,6 +28,7 @@ export function AdminDatabaseTablesPage({
   const [result, setResult] = useState<AdminDatabaseTableRowsResponse | null>(null);
   const [detailRow, setDetailRow] = useState<AdminDatabaseTableRowPayload | null>(null);
   const [errorMessage, setErrorMessage] = useState('');
+  const [copyMessage, setCopyMessage] = useState('');
   const [isLoadingTables, setIsLoadingTables] = useState(false);
   const [isLoadingRows, setIsLoadingRows] = useState(false);
 
@@ -91,20 +92,31 @@ export function AdminDatabaseTablesPage({
     }
   }
 
-  async function refreshRows(nextTableName = tableName) {
+  async function refreshRows(
+    nextTableName = tableName,
+    options: {
+      search?: string;
+      filters?: string;
+      limit?: string;
+    } = {},
+  ) {
     const normalizedTableName = nextTableName.trim();
     if (!normalizedTableName) {
       return;
     }
+    const querySearch = options.search ?? search;
+    const queryFilters = options.filters ?? filters;
+    const queryLimit = options.limit ?? limit;
     setIsLoadingRows(true);
     setErrorMessage('');
     try {
       const response = await getAdminDatabaseTableRows(token, normalizedTableName, {
-        search,
-        filters,
-        limit: parseLimit(limit),
+        search: querySearch,
+        filters: queryFilters,
+        limit: parseLimit(queryLimit),
       });
       setResult(response);
+      setCopyMessage('');
     } catch (error: unknown) {
       handlePageError(error, onUnauthorized, setErrorMessage);
     } finally {
@@ -125,6 +137,27 @@ export function AdminDatabaseTablesPage({
     }
   }
 
+  function handleResetQuery() {
+    setSearch('');
+    setFilters('');
+    setLimit('100');
+    void refreshRows(tableName, {search: '', filters: '', limit: '100'});
+  }
+
+  async function handleCopyDetailJson() {
+    if (!detailRow) {
+      return;
+    }
+
+    const copiedText = JSON.stringify(detailRow.raw ?? detailRow.cells, null, 2);
+    try {
+      await navigator.clipboard.writeText(copiedText);
+      setCopyMessage('已复制 JSON');
+    } catch {
+      setCopyMessage('复制失败，请手动选中后复制');
+    }
+  }
+
   return (
     <section className="admin-page admin-page-wide">
       <div className="admin-page-heading">
@@ -201,6 +234,20 @@ export function AdminDatabaseTablesPage({
             <span>{isLoadingRows ? '查询中' : '查询'}</span>
           </button>
         </div>
+        <div className="admin-action-row admin-query-action-row">
+          <button
+            className="admin-ghost-button admin-query-reset-button"
+            disabled={isLoadingRows}
+            type="button"
+            onClick={handleResetQuery}
+          >
+            重置条件
+          </button>
+          <div className="admin-query-summary">
+            <span>已选表：{tableName || '-'}</span>
+            <span>显示列：{visibleColumns.length}</span>
+          </div>
+        </div>
       </form>
 
       {errorMessage ? (
@@ -265,17 +312,27 @@ export function AdminDatabaseTablesPage({
           <section className="admin-detail-panel" role="dialog" aria-modal="true">
             <div className="admin-panel-heading">
               <h3>行详情</h3>
-              <button
-                className="admin-ghost-button"
-                title="关闭"
-                type="button"
-                onClick={() => setDetailRow(null)}
-              >
-                <X size={17} aria-hidden="true" />
-              </button>
+              <div className="admin-detail-actions">
+                <button
+                  className="admin-secondary-button"
+                  type="button"
+                  onClick={() => void handleCopyDetailJson()}
+                >
+                  <span>复制 JSON</span>
+                </button>
+                <button
+                  className="admin-ghost-button"
+                  title="关闭"
+                  type="button"
+                  onClick={() => setDetailRow(null)}
+                >
+                  <X size={17} aria-hidden="true" />
+                </button>
+              </div>
             </div>
+            {copyMessage ? <div className="admin-status admin-status-ok">{copyMessage}</div> : null}
             <pre className="admin-code-block">
-              {JSON.stringify(detailRow.cells, null, 2)}
+              {JSON.stringify(detailRow.raw ?? detailRow.cells, null, 2)}
             </pre>
           </section>
         </div>
diff --git a/apps/admin-web/src/styles/admin.css b/apps/admin-web/src/styles/admin.css
index faf13802..6152ff73 100644
--- a/apps/admin-web/src/styles/admin.css
+++ b/apps/admin-web/src/styles/admin.css
@@ -327,10 +327,34 @@ button:disabled {
 .admin-action-row {
   display: flex;
   flex-wrap: wrap;
+  align-items: center;
   justify-content: flex-end;
   gap: 10px;
 }
 
+.admin-query-action-row {
+  justify-content: space-between;
+}
+
+.admin-query-summary,
+.admin-detail-actions {
+  display: flex;
+  flex-wrap: wrap;
+  align-items: center;
+  gap: 8px;
+}
+
+.admin-query-summary {
+  color: #667682;
+  font-size: 12px;
+  font-weight: 650;
+}
+
+.admin-query-reset-button {
+  width: auto;
+  padding: 0 12px;
+}
+
 .admin-field {
   display: grid;
   min-width: 0;
diff --git a/docs/technical/ADMIN_DATABASE_TABLE_QUERY_2026-05-08.md b/docs/technical/ADMIN_DATABASE_TABLE_QUERY_2026-05-08.md
index ede97600..3526ad9d 100644
--- a/docs/technical/ADMIN_DATABASE_TABLE_QUERY_2026-05-08.md
+++ b/docs/technical/ADMIN_DATABASE_TABLE_QUERY_2026-05-08.md
@@ -11,6 +11,12 @@
 - 提供基础查询能力：表选择、关键词搜索、JSON 条件过滤、条数限制、刷新、查看行详情。
 - 不修改 SpacetimeDB 表结构，不新增 reducer，不引入写操作。
 
+## 后续增强
+
+- 查询页增加“重置条件”快捷操作，便于运营快速回到默认筛选状态。
+- 行详情支持一键复制完整 JSON，减少人工选中复制的操作成本。
+- 查询页顶部增加轻量摘要，显示当前选表和可见列数，方便移动端快速确认上下文。
+
 ## 后端接口
 
 ### `GET /admin/api/database/tables`