diff --git a/src/SessionTable.test.tsx b/src/SessionTable.test.tsx
index f4821ca..27678b0 100644
--- a/src/SessionTable.test.tsx
+++ b/src/SessionTable.test.tsx
@@ -41,6 +41,7 @@ describe("SessionTable", () => {
     expect(screen.getByText("已选择 2 项")).toBeInTheDocument();
     expect(screen.getByText("1–2 / 200")).toBeInTheDocument();
     expect(screen.queryByRole("checkbox", { name: /选择 (当前页|S-)/ })).not.toBeInTheDocument();
+    expect(first).toHaveClass("session-data-row");
   });
 
   it("筛选和排序产生显式查询意图", () => {
diff --git a/src/SessionTable.tsx b/src/SessionTable.tsx
index 025c4f4..2f59e93 100644
--- a/src/SessionTable.tsx
+++ b/src/SessionTable.tsx
@@ -138,7 +138,7 @@ export function SessionTable({ rows, state, capabilities, page, onStateChange, o
           })}
           <span role="columnheader" />
         </div>
-        </div><div role="rowgroup">{rows.map((session, index) => <div className={`table-row ${session.id === state.focusedSessionId ? "focused" : ""}`} role="row" aria-selected={selected.has(session.id)} key={session.id} tabIndex={session.id === state.focusedSessionId || (!state.focusedSessionId && index === 0) ? 0 : -1} ref={(element) => { if (element) rowRefs.current.set(session.id, element); else rowRefs.current.delete(session.id); }} onFocus={() => state.focusedSessionId !== session.id && onStateChange({ ...state, focusedSessionId: session.id })} onClick={(event) => handleRowClick(event, index, session.id)} onKeyDown={(event) => handleRowKeyDown(event, index, session.id)}>
+        </div><div role="rowgroup">{rows.map((session, index) => <div className={`table-row session-data-row ${session.id === state.focusedSessionId ? "focused" : ""}`} role="row" aria-selected={selected.has(session.id)} key={session.id} tabIndex={session.id === state.focusedSessionId || (!state.focusedSessionId && index === 0) ? 0 : -1} ref={(element) => { if (element) rowRefs.current.set(session.id, element); else rowRefs.current.delete(session.id); }} onFocus={() => state.focusedSessionId !== session.id && onStateChange({ ...state, focusedSessionId: session.id })} onClick={(event) => handleRowClick(event, index, session.id)} onKeyDown={(event) => handleRowKeyDown(event, index, session.id)}>
           {visible.has("status") && <span role="cell"><em className={`status-mark ${session.status.toLowerCase()}`} aria-hidden="true" /><span className="sr-only">状态：</span>{session.status}</span>}
           {visible.has("id") && <strong role="cell" className="mono">{session.id}</strong>}
           {visible.has("identity") && <span role="cell"><b>{session.host}</b><small>{session.user}</small></span>}
diff --git a/src/styles.css b/src/styles.css
index 52bf475..c677d55 100644
--- a/src/styles.css
+++ b/src/styles.css
@@ -72,6 +72,7 @@ nav strong { color: #f1888f; font: 600 10px ui-monospace, monospace; }
 .table-row:hover { background: var(--hover); }
 .table-row.focused { background: #202a35; box-shadow: inset 2px 0 var(--info); }
 .table-row[aria-selected="true"] { background: #243346; box-shadow: inset 2px 0 var(--info); }
+.session-data-row { user-select: none; -webkit-user-select: none; }
 .table-head { position: sticky; top: -22px; z-index: 2; min-height: 30px; background: #111419; color: #78818e; font-size: 9px; font-weight: 650; letter-spacing: .04em; }
 .sort-button { width: 100%; height: 100%; padding: 0; border: 0; background: transparent; color: inherit; text-align: left; text-transform: uppercase; }
 .table-row b { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-weight: 550; color: #dde1e7; }