diff --git a/packages/client/src/utils.ts b/packages/client/src/utils.ts
index 2cf552b..c465848 100644
--- a/packages/client/src/utils.ts
+++ b/packages/client/src/utils.ts
@@ -93,8 +93,10 @@ export const filterSessions = (sessions: WebSession[], query: string): WebSessio
   sessions.filter((session) => matchesQuery(session, query));
 
 export const filterEntries = (entries: WebEntry[], filter: Filter): WebEntry[] => {
+  // 压缩摘要等 system 输出只写入历史供上下文使用，不在界面上展示
+  const visible = entries.filter((entry) => entryRole(entry) !== 'system');
   if (filter === 'all') {
-    return entries;
+    return visible;
   }
-  return entries.filter((entry) => entryRole(entry) === filter);
+  return visible.filter((entry) => entryRole(entry) === filter);
 };
diff --git a/packages/server/src/index.ts b/packages/server/src/index.ts
index 3cbc1a6..5272177 100644
--- a/packages/server/src/index.ts
+++ b/packages/server/src/index.ts
@@ -66,7 +66,8 @@ export const startServer = async (
 
   const port =
     config.port ?? Number(process.env.CALL_CODE_WEB_PORT ?? 4173);
-  const host = config.host ?? "127.0.0.1";
+  const host =
+    config.host ?? process.env.CALL_CODE_WEB_HOST ?? "127.0.0.1";
   const clientDir = config.clientDir;
 
   const handle = await startWebServer({
diff --git a/tests/client-ui.spec.ts b/tests/client-ui.spec.ts
index c370f5a..9629d78 100644
--- a/tests/client-ui.spec.ts
+++ b/tests/client-ui.spec.ts
@@ -140,6 +140,38 @@ describe("client MainPanel", () => {
     expect(html).toContain('aria-label="压缩会话上下文" disabled=""');
   });
 
+  it("不渲染 system 输出（压缩摘要）", () => {
+    const session = makeSession({
+      entries: [
+        ...makeSession().entries,
+        {
+          seq: 3,
+          id: "e3",
+          parentId: null,
+          type: "compaction",
+          role: "system",
+          timestamp: "2026-08-05T00:00:00.000Z",
+          text: "手动压缩摘要",
+          payload: { summary: "手动压缩摘要" },
+        },
+      ],
+    });
+    const html = renderToStaticMarkup(
+      React.createElement(MainPanel, {
+        session,
+        filter: "all",
+        onFilterChange: () => undefined,
+        onDeleteEntry: () => undefined,
+        chatStatus: { status: "idle" },
+        onSendMessage: () => true,
+        onCompactSession: () => undefined,
+      }),
+    );
+
+    expect(html).not.toContain("手动压缩摘要");
+    expect(html).not.toContain(">系统<");
+  });
+
   it("没有会话时禁用压缩入口", () => {
     const html = renderToStaticMarkup(
       React.createElement(MainPanel, {
diff --git a/tests/client-utils.spec.ts b/tests/client-utils.spec.ts
index cc18525..c01f42f 100644
--- a/tests/client-utils.spec.ts
+++ b/tests/client-utils.spec.ts
@@ -122,4 +122,22 @@ describe('client utils', () => {
     expect(filterEntries(entries, 'tool')).toEqual([entries[2]]);
     expect(filterEntries(entries, 'system')).toEqual([]);
   });
+
+  it('全部视图不展示 system 输出', () => {
+    const entries = [
+      makeEntry({ id: 'u1', type: 'user', role: 'user' }),
+      makeEntry({
+        id: 'c1',
+        type: 'compaction',
+        role: 'system',
+        text: '手动压缩摘要',
+      }),
+      makeEntry({ id: 'a1', type: 'assistant', role: 'assistant' }),
+    ];
+
+    expect(filterEntries(entries, 'all')).toEqual([
+      entries[0],
+      entries[2],
+    ]);
+  });
 });
diff --git a/tests/server.spec.ts b/tests/server.spec.ts
index 3de212e..3ed472d 100644
--- a/tests/server.spec.ts
+++ b/tests/server.spec.ts
@@ -162,4 +162,14 @@ describe("Server SDK 与集成服务", () => {
       data.sessions[0].entries.some((entry) => entry.text === "已处理完毕"),
     ).toBe(true);
   });
+
+  it("startServer 默认监听地址读取 CALL_CODE_WEB_HOST", async () => {
+    process.env.CALL_CODE_WEB_HOST = "0.0.0.0";
+    try {
+      const { server } = await createTestServer();
+      expect(server.host).toBe("0.0.0.0");
+    } finally {
+      delete process.env.CALL_CODE_WEB_HOST;
+    }
+  });
 });