diff --git a/CHANGELOG.md b/CHANGELOG.md
index 675d2e7..083499a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,9 @@
 
 ## Unreleased
 
++ [优化] Canvas Agent 升级至最新 Codex，启动时检查版本更新，
++ [优化] 统一通过公共日志输出 Info 以上信息，美化转发日志时间。
+
 ## v0.12.0 - 2026-07-30
 
 + [新增] 画布 Agent 支持三档 Codex 权限，并可在对话中审批操作。
diff --git a/canvas-agent/package-lock.json b/canvas-agent/package-lock.json
new file mode 100644
index 0000000..7735810
--- /dev/null
+++ b/canvas-agent/package-lock.json
@@ -0,0 +1,1532 @@
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+      "funding": {
+        "url": "https://github.com/chalk/strip-ansi?sponsor=1"
+      }
+    },
+    "node_modules/text-hex": {
+      "version": "1.0.0",
+      "license": "MIT"
+    },
+    "node_modules/toidentifier": {
+      "version": "1.0.1",
+      "license": "MIT",
+      "engines": {
+        "node": ">=0.6"
+      }
+    },
+    "node_modules/triple-beam": {
+      "version": "1.4.1",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 14.0.0"
+      }
+    },
+    "node_modules/tsx": {
+      "version": "4.22.4",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "esbuild": "~0.28.0"
+      },
+      "bin": {
+        "tsx": "dist/cli.mjs"
+      },
+      "engines": {
+        "node": ">=18.0.0"
+      },
+      "optionalDependencies": {
+        "fsevents": "~2.3.3"
+      }
+    },
+    "node_modules/type-is": {
+      "version": "2.1.0",
+      "license": "MIT",
+      "dependencies": {
+        "content-type": "^2.0.0",
+        "media-typer": "^1.1.0",
+        "mime-types": "^3.0.0"
+      },
+      "engines": {
+        "node": ">= 18"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/express"
+      }
+    },
+    "node_modules/type-is/node_modules/content-type": {
+      "version": "2.0.0",
+      "license": "MIT",
+      "engines": {
+        "node": ">=18"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/express"
+      }
+    },
+    "node_modules/typescript": {
+      "version": "5.9.3",
+      "dev": true,
+      "license": "Apache-2.0",
+      "bin": {
+        "tsc": "bin/tsc",
+        "tsserver": "bin/tsserver"
+      },
+      "engines": {
+        "node": ">=14.17"
+      }
+    },
+    "node_modules/undici-types": {
+      "version": "6.21.0",
+      "dev": true,
+      "license": "MIT"
+    },
+    "node_modules/unpipe": {
+      "version": "1.0.0",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.8"
+      }
+    },
+    "node_modules/util-deprecate": {
+      "version": "1.0.2",
+      "license": "MIT"
+    },
+    "node_modules/vary": {
+      "version": "1.1.2",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.8"
+      }
+    },
+    "node_modules/which": {
+      "version": "2.0.2",
+      "license": "ISC",
+      "dependencies": {
+        "isexe": "^2.0.0"
+      },
+      "bin": {
+        "node-which": "bin/node-which"
+      },
+      "engines": {
+        "node": ">= 8"
+      }
+    },
+    "node_modules/winston": {
+      "version": "3.19.0",
+      "license": "MIT",
+      "dependencies": {
+        "@colors/colors": "^1.6.0",
+        "@dabh/diagnostics": "^2.0.8",
+        "async": "^3.2.3",
+        "is-stream": "^2.0.0",
+        "logform": "^2.7.0",
+        "one-time": "^1.0.0",
+        "readable-stream": "^3.4.0",
+        "safe-stable-stringify": "^2.3.1",
+        "stack-trace": "0.0.x",
+        "triple-beam": "^1.3.0",
+        "winston-transport": "^4.9.0"
+      },
+      "engines": {
+        "node": ">= 12.0.0"
+      }
+    },
+    "node_modules/winston-transport": {
+      "version": "4.9.0",
+      "license": "MIT",
+      "dependencies": {
+        "logform": "^2.7.0",
+        "readable-stream": "^3.6.2",
+        "triple-beam": "^1.3.0"
+      },
+      "engines": {
+        "node": ">= 12.0.0"
+      }
+    },
+    "node_modules/wrappy": {
+      "version": "1.0.2",
+      "license": "ISC"
+    },
+    "node_modules/zod": {
+      "version": "3.25.76",
+      "license": "MIT",
+      "funding": {
+        "url": "https://github.com/sponsors/colinhacks"
+      }
+    },
+    "node_modules/zod-to-json-schema": {
+      "version": "3.25.2",
+      "license": "ISC",
+      "peerDependencies": {
+        "zod": "^3.25.28 || ^4"
+      }
+    }
+  }
+}
diff --git a/canvas-agent/package.json b/canvas-agent/package.json
index 96a3ef4..f736ccc 100644
--- a/canvas-agent/package.json
+++ b/canvas-agent/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@basketikun/canvas-agent",
-  "version": "0.3.0",
+  "version": "0.3.1",
   "type": "module",
   "main": "./dist/index.js",
   "types": "./dist/index.d.ts",
@@ -22,8 +22,9 @@
   },
   "dependencies": {
     "@modelcontextprotocol/sdk": "^1.12.1",
-    "@openai/codex": "0.145.0",
+    "@openai/codex": "0.146.0",
     "express": "^5.1.0",
+    "strip-ansi": "7.2.0",
     "winston": "^3.19.0",
     "zod": "^3.25.0"
   },
diff --git a/canvas-agent/src/agent/codex-client.ts b/canvas-agent/src/agent/codex-client.ts
index 07d1333..a47cc00 100644
--- a/canvas-agent/src/agent/codex-client.ts
+++ b/canvas-agent/src/agent/codex-client.ts
@@ -2,6 +2,7 @@ import { spawn, type ChildProcess } from "node:child_process";
 import { createRequire } from "node:module";
 import path from "node:path";
 import { fileURLToPath } from "node:url";
+import stripAnsi from "strip-ansi";
 
 import { VERSION } from "../config.js";
 import { logger } from "../utils/logger.js";
@@ -43,7 +44,7 @@ export class CodexAppClient {
         const client = new CodexAppClient(child, emit);
         child.stdout?.on("data", (chunk) => client.read(chunk.toString()));
         child.stderr?.on("data", (chunk) => {
-            const text = chunk.toString();
+            const text = stripAnsi(chunk.toString()).replace(/^\d{4}-\d{2}-\d{2}T[\d:.]+Z\s+/, "");
             logger.warn("Codex app-server stderr", { text });
             emit("agent_log", { text });
         });
diff --git a/canvas-agent/src/server/http.ts b/canvas-agent/src/server/http.ts
index 49db85b..b510fe9 100644
--- a/canvas-agent/src/server/http.ts
+++ b/canvas-agent/src/server/http.ts
@@ -9,6 +9,7 @@ import type { AgentAttachment, AgentPermissionMode } from "../agent/types.js";
 import { CanvasSession } from "../canvas/session.js";
 import { DEFAULT_PORT, ensureSiteWorkspace, loadConfig, saveConfig, updateSiteWorkspace, type CanvasAgentConfig } from "../config.js";
 import { logger } from "../utils/logger.js";
+import { checkVersions } from "../version-check.js";
 
 /** 启动仅监听本机的 Canvas Agent HTTP 服务。 */
 export function startHttpServer() {
@@ -223,6 +224,7 @@ export function startHttpServer() {
 
     app.listen(port, "127.0.0.1", () => {
         console.log("Infinite Canvas Agent");
+        checkVersions();
         console.log(`Local URL: ${config.url}`);
         console.log(`Connect token: ${config.token}`);
         console.log("Codex MCP is not installed by this command.");
diff --git a/canvas-agent/src/utils/logger.ts b/canvas-agent/src/utils/logger.ts
index 8ae9918..90cb3a8 100644
--- a/canvas-agent/src/utils/logger.ts
+++ b/canvas-agent/src/utils/logger.ts
@@ -11,47 +11,44 @@ import {formatDateForFilename} from "./date.js";
 export class Logger {
     readonly enabled = process.argv.includes("--debug");
     readonly filePath = this.enabled ? path.join(os.homedir(), ".infinite-canvas", "logs", `canvas-agent-${formatDateForFilename()}.log`) : "";
-    private readonly logger: WinstonLogger | null;
+    private readonly logger: WinstonLogger;
 
-    /** 根据命令行 Debug 参数初始化日志输出。 */
+    /** 普通模式输出 Info 以上日志，Debug 模式额外输出 Debug 并写入文件。 */
     constructor() {
-        if (!this.enabled) {
-            this.logger = null;
-            return;
-        }
-        fs.mkdirSync(path.dirname(this.filePath), {recursive: true});
         const line = format.printf(({level, message, timestamp, details}) => `${timestamp} ${level.toUpperCase()} ${message}${formatDetails(details)}`);
+        const output = format.combine(format.timestamp({format: "YYYY-MM-DD HH:mm:ss"}), line);
+        if (this.enabled) fs.mkdirSync(path.dirname(this.filePath), {recursive: true});
         this.logger = winston.createLogger({
-            level: "debug",
+            level: this.enabled ? "debug" : "info",
             transports: [
-                new transports.Console({format: format.combine(format.timestamp({format: "HH:mm:ss"}), line)}),
-                new transports.File({filename: this.filePath, format: format.combine(format.timestamp({format: "HH:mm:ss"}), line)}),
+                new transports.Console({format: output}),
+                ...(this.enabled ? [new transports.File({filename: this.filePath, format: output})] : []),
             ],
         });
     }
 
     /** 输出 Debug 级别日志。 */
     debug(message: string, details?: unknown) {
-        if (details === undefined) this.logger?.debug(message);
-        else this.logger?.debug(message, {details: sanitize(details)});
+        if (details === undefined) this.logger.debug(message);
+        else this.logger.debug(message, {details: sanitize(details)});
     }
 
     /** 输出 Info 级别日志。 */
     info(message: string, details?: unknown) {
-        if (details === undefined) this.logger?.info(message);
-        else this.logger?.info(message, {details: sanitize(details)});
+        if (details === undefined) this.logger.info(message);
+        else this.logger.info(message, {details: sanitize(details)});
     }
 
     /** 输出 Warn 级别日志。 */
     warn(message: string, details?: unknown) {
-        if (details === undefined) this.logger?.warn(message);
-        else this.logger?.warn(message, {details: sanitize(details)});
+        if (details === undefined) this.logger.warn(message);
+        else this.logger.warn(message, {details: sanitize(details)});
     }
 
     /** 输出 Error 级别日志。 */
     error(message: string, details?: unknown) {
-        if (details === undefined) this.logger?.error(message);
-        else this.logger?.error(message, {details: sanitize(details)});
+        if (details === undefined) this.logger.error(message);
+        else this.logger.error(message, {details: sanitize(details)});
     }
 }
 
diff --git a/canvas-agent/src/version-check.ts b/canvas-agent/src/version-check.ts
new file mode 100644
index 0000000..8d25158
--- /dev/null
+++ b/canvas-agent/src/version-check.ts
@@ -0,0 +1,65 @@
+import { execFile, execFileSync } from "node:child_process";
+import { createRequire } from "node:module";
+import { promisify } from "node:util";
+
+import { VERSION } from "./config.js";
+import { logger } from "./utils/logger.js";
+
+const require = createRequire(import.meta.url);
+const execFileAsync = promisify(execFile);
+const CODEX_VERSION = String((require("@openai/codex/package.json") as { version: string }).version);
+
+/** 输出当前版本，并在后台检查 npm 最新版本。 */
+export function checkVersions() {
+    const localCodexVersion = commandVersion("codex");
+    logger.info("Canvas Agent version", { version: VERSION });
+    logger.info("Bundled Codex version", { version: CODEX_VERSION });
+    logger.info("Local Codex version", { version: localCodexVersion || "not found" });
+    if (!localCodexVersion) {
+        logger.warn("Local Codex was not found. Install the latest version with: npm install -g @openai/codex@latest");
+    } else if (localCodexVersion !== CODEX_VERSION) {
+        logger.warn(`Bundled Codex ${CODEX_VERSION} does not match local Codex ${localCodexVersion}. Keep both current with: npm install -g @openai/codex@latest && npx -y @basketikun/canvas-agent@latest`);
+    }
+    void checkLatestVersions(localCodexVersion);
+}
+
+/** 查询 npm，提醒升级不再维护的旧版本。 */
+async function checkLatestVersions(localCodexVersion: string) {
+    try {
+        const [latestAgent, latestCodex] = await Promise.all([
+            npmVersion("@basketikun/canvas-agent"),
+            npmVersion("@openai/codex"),
+        ]);
+        if (isOlder(VERSION, latestAgent)) logger.warn(`Update available: Canvas Agent ${VERSION} -> ${latestAgent}. Run: npx -y @basketikun/canvas-agent@latest`);
+        if (isOlder(CODEX_VERSION, latestCodex)) logger.warn(`Update available: bundled Codex ${CODEX_VERSION} -> ${latestCodex}. Upgrade Canvas Agent with: npx -y @basketikun/canvas-agent@latest`);
+        if (localCodexVersion && isOlder(localCodexVersion, latestCodex)) logger.warn(`Update available: local Codex ${localCodexVersion} -> ${latestCodex}. Run: npm install -g @openai/codex@latest`);
+    } catch {
+        logger.warn("Unable to check the latest npm versions; startup will continue.");
+    }
+}
+
+/** 读取本机命令输出中的语义版本号。 */
+function commandVersion(command: string) {
+    try {
+        return execFileSync(command, ["--version"], { encoding: "utf8", timeout: 5_000 }).match(/\d+\.\d+\.\d+/)?.[0] || "";
+    } catch {
+        return "";
+    }
+}
+
+/** 读取 npm 包的最新版本。 */
+async function npmVersion(name: string) {
+    const command = process.platform === "win32" ? "npm.cmd" : "npm";
+    const { stdout } = await execFileAsync(command, ["view", name, "version"], { encoding: "utf8", timeout: 10_000 });
+    return stdout.trim();
+}
+
+/** 比较仅包含数字段的稳定版语义版本。 */
+function isOlder(current: string, latest: string) {
+    const left = current.split(".").map(Number);
+    const right = latest.split(".").map(Number);
+    for (let index = 0; index < Math.max(left.length, right.length); index++) {
+        if ((left[index] || 0) !== (right[index] || 0)) return (left[index] || 0) < (right[index] || 0);
+    }
+    return false;
+}
diff --git a/docs/content/docs/progress/pending-test.mdx b/docs/content/docs/progress/pending-test.mdx
index 553d18a..521aba5 100644
--- a/docs/content/docs/progress/pending-test.mdx
+++ b/docs/content/docs/progress/pending-test.mdx
@@ -13,8 +13,9 @@ description: 当前版本已实现但仍需人工验证的变更项
 - Agent 顶部栏：标题只显示垂直居中的「Agent」，连接、对话、历史、日志、新对话和收起操作应位于同一行；面板较窄时标签仍可横向滚动且操作不应错位。
 - Agent Markdown 样式：右侧 Agent 回复中的代码块应为横向占满消息区域、无语言标题和无双层边框的紧凑代码条，单行内容不应保留纵向大面积空白，复制操作仅在悬停时弱化显示；行内代码、链接在浅色和深色主题下应清晰；点击外部链接后应显示中文紧凑确认弹窗，长路径能够正常换行且复制、继续打开和关闭操作可用；点击 `/Users/`、`/home/` 等本地绝对文件路径时应改为提示在系统文件管理器中定位，支持复制路径，且浏览器地址不应跳转为 localhost 文件路径。
 - Agent 工具确认模式：右侧面板标题栏不应再显示「工具确认」开关；对话输入框左下方应显示确认模式选择，默认选中「自动确认」，画布写入工具应直接执行；切换为「手动确认」后，画布写入工具应在对话中展示等待确认卡片，并支持批准或拒绝。
-- Canvas Agent Codex 升级：启动 Canvas Agent 后应能正常连接 Codex、创建或恢复会话、发送消息并调用画布工具，实际运行的 Codex CLI 版本应为 0.145.0；运行中停止任务应只中断当前 turn，随后无需重启 Agent 即可继续发送新任务。
-- Canvas Agent Debug：使用 `npx -y @basketikun/canvas-agent --debug` 启动后，终端应按“时间 级别 消息 详情”的纯文本单行格式输出日志并显示日志文件路径，`~/.infinite-canvas/logs/` 下应按启动日期生成相同格式的 `canvas-agent-YYYY-MM-DD.log`，同一天多次启动应追加到同一文件；普通启动保持原有简洁输出，日志中不应出现连接 token 或图片 Data URL 原文。
+- Canvas Agent Codex 升级：启动 Canvas Agent 后应输出 Canvas Agent、内置 Codex 和本机 Codex 版本，实际运行的内置 Codex 应为 0.146.0；内置与本机版本不一致、未安装本机 Codex，或 npm 存在更新版本时应显示对应升级提醒，npm 检查失败不应阻止服务启动；Agent 应能正常连接 Codex、创建或恢复会话、发送消息并调用画布工具，运行中停止任务应只中断当前 turn，随后无需重启 Agent 即可继续发送新任务。
+- Canvas Agent Debug：普通启动应通过公共 logger 输出 Info、Warn 和 Error 日志；使用 `npx -y @basketikun/canvas-agent --debug` 启动后还应输出 Debug 日志并显示日志文件路径，终端统一采用“`YYYY-MM-DD HH:mm:ss` 级别 消息 详情”的纯文本单行格式，`~/.infinite-canvas/logs/` 下应按启动日期生成相同格式的 `canvas-agent-YYYY-MM-DD.log`，同一天多次启动应追加到同一文件；日志中不应出现连接 token 或图片 Data URL 原文。
+- Canvas Agent Codex 日志：Codex app-server 输出带颜色或样式控制符及 UTC 时间的 stderr 时，本地日志和网页诊断日志应只显示一份 `YYYY-MM-DD HH:mm:ss` 本地时间和干净文本，不应出现重复 ISO 时间或 ``、`` 等 ANSI 转义内容。
 - Agent HTTP 诊断日志：网页发送一条普通消息后，本地 Debug 日志不应重复输出 `/health`、`/canvas/state`、`/canvas/activate` 成功请求、流式增量或完整会话响应，只保留 HTTP 请求与 Codex 生命周期摘要；右侧「日志」应以单行时间线展示发送、开始、回复、工具、完成用量和错误，不再输出 userMessage started/completed、流式摘要、重复 threadId 或大段原始 JSON。
 - Agent 对话统计：用户消息应右对齐并使用透明无气泡的简洁排版，用户和 Codex 两侧均不显示人物头像，消息下方均不显示时间或 Token 信息；输入框上方应居中展示最新一次模型调用的输入、缓存、输出 Token 用量，不显示会话累计值，数值更新时应从旧值平滑滚动到新值而非突然跳变，新建、切换或删除当前会话后应清空旧统计。
 - Agent 回复实时显示：在右侧 Agent 发送消息后，用户消息下方应立即出现“正在思考...”，任务运行期间不应闪退；工具完成后应显示 Codex 正在继续处理及已等待时长，等待超过 30 秒时提示可继续等待或停止本轮；Codex 的回复应在当前对话中持续显示，实时事件缺失时也应在任务完成后自动同步完整内容，无需切换到历史或日志再返回对话。模型繁忙等任务失败时应立即结束等待状态，在对话中显示中文错误原因和重试建议，诊断日志不应再把失败轮次记为“处理完成”，刷新历史后错误仍应保留。新建尚未发送首条消息的空会话不应反复出现历史读取失败。
diff --git a/web/src/components/agent/local-agent-panel.tsx b/web/src/components/agent/local-agent-panel.tsx
index f813d30..0af6aa8 100644
--- a/web/src/components/agent/local-agent-panel.tsx
+++ b/web/src/components/agent/local-agent-panel.tsx
@@ -1,6 +1,7 @@
 import { useCallback, useEffect, useMemo, useRef } from "react";
 import { useNavigate, useSearchParams } from "react-router-dom";
 import { App, Button, Tooltip } from "antd";
+import dayjs from "dayjs";
 import { Bot, History, MessageSquare, PanelRightClose, PlugZap, Plus, Terminal } from "lucide-react";
 
 import { canvasThemes } from "@/lib/canvas-theme";
@@ -673,7 +674,7 @@ export function LocalAgentPanel({ embedded, headless, autoConnect }: { embedded?
         const value = normalizeText(text) || title;
         const last = useAgentStore.getState().eventLogs.at(-1);
         if (last?.title === title && last.text === value) return;
-        pushEventLog({ id: `${Date.now()}-${Math.random()}`, time: new Date().toLocaleTimeString(), title, text: value, raw });
+        pushEventLog({ id: `${Date.now()}-${Math.random()}`, time: dayjs().format("YYYY-MM-DD HH:mm:ss"), title, text: value, raw });
     };
 
     const upsertActivityMessage = (item: AgentChatItem) => {