diff --git a/DEVELOPMENT.md b/DEVELOPMENT.md
index 8621211..311a24d 100644
--- a/DEVELOPMENT.md
+++ b/DEVELOPMENT.md
@@ -1215,8 +1215,11 @@ bun run check         # 一键运行 schema:check + typecheck + lint + test
 | `typescript-eslint` stylistic-type-checked                      | TypeScript 风格规则（命名规范、语法选择等）        |
 | `eslint-plugin-perfectionist` recommended-natural               | 导入语句和命名导出自动排序                         |
 | `eslint-plugin-import`                                          | 导入路径验证、循环依赖检测、重复导入合并           |
+| `no-restricted-syntax`                                          | 禁止 `src/server/` 运行时代码直接使用 `console.*`  |
 | `eslint-plugin-prettier` recommended + `eslint-config-prettier` | 将 Prettier 格式集成为 ESLint 规则，禁用冲突规则   |
 
+后端运行时代码的 `console.*` 检查使用中文定制提示：`后端运行时代码禁止直接使用 console.*；请通过注入的 Logger 实例输出日志，配置加载失败前使用 createConsoleFallback()。`。`src/server/logger.ts` 是唯一例外，用于封装 `ConsoleFallbackLogger`。
+
 ### 测试代码 ESLint 规范
 
 测试代码与业务代码使用相同的 ESLint 规则集，应优先通过类型化 helper、类型化 mock、显式 no-op 和受控断言模式满足已启用的类型感知规则，最小化 `eslint-disable` 的使用。具体约定：
diff --git a/eslint.config.js b/eslint.config.js
index 2099c00..294234f 100644
--- a/eslint.config.js
+++ b/eslint.config.js
@@ -6,6 +6,9 @@ import reactHooks from "eslint-plugin-react-hooks";
 import reactRefresh from "eslint-plugin-react-refresh";
 import tseslint from "typescript-eslint";
 
+const noDirectConsoleMessage =
+  "后端运行时代码禁止直接使用 console.*；请通过注入的 Logger 实例输出日志，配置加载失败前使用 createConsoleFallback()。";
+
 export default tseslint.config(
   {
     ignores: [
@@ -53,6 +56,19 @@ export default tseslint.config(
       "no-undef": "off",
     },
   },
+  {
+    files: ["src/server/**/*.ts"],
+    ignores: ["src/server/logger.ts"],
+    rules: {
+      "no-restricted-syntax": [
+        "error",
+        {
+          message: noDirectConsoleMessage,
+          selector: "MemberExpression[object.name='console']",
+        },
+      ],
+    },
+  },
   {
     files: ["eslint.config.js"],
     rules: {
diff --git a/src/server/bootstrap.ts b/src/server/bootstrap.ts
index b2999e4..18e27c6 100644
--- a/src/server/bootstrap.ts
+++ b/src/server/bootstrap.ts
@@ -9,7 +9,7 @@ import type { StaticAssets } from "./static";
 import { loadConfig, type ResolvedConfig } from "./checker/config-loader";
 import { ProbeEngine } from "./checker/engine";
 import { ProbeStore } from "./checker/store";
-import { createRuntimeLogger } from "./logger";
+import { createConsoleFallback, createRuntimeLogger } from "./logger";
 import { startServer } from "./server";
 
 export interface BootstrapDependencies {
@@ -59,7 +59,13 @@ export async function bootstrap(options: BootstrapOptions, dependencies: Bootstr
       process.on(signal, handler);
     });
   const exit = dependencies.exit ?? ((code: number) => process.exit(code));
-  const logError = dependencies.logError ?? console.error;
+  const logError =
+    dependencies.logError ??
+    ((...data: unknown[]) => {
+      createConsoleFallback().fatal(
+        data.map((item) => (item instanceof Error ? item.message : String(item))).join(" "),
+      );
+    });
 
   let store: ProbeStore | undefined;
   let engine: BootstrapEngine | undefined;
diff --git a/src/server/dev.ts b/src/server/dev.ts
index 10ac5cc..4e0b97b 100644
--- a/src/server/dev.ts
+++ b/src/server/dev.ts
@@ -1,5 +1,6 @@
 import { bootstrap } from "./bootstrap";
 import { readRuntimeConfig } from "./config";
+import { createConsoleFallback } from "./logger";
 import { readAppVersion } from "./version";
 
 async function main() {
@@ -9,6 +10,6 @@ async function main() {
 }
 
 void main().catch((error) => {
-  console.error("启动失败:", error instanceof Error ? error.message : error);
+  createConsoleFallback().fatal(`启动失败: ${error instanceof Error ? error.message : String(error)}`);
   process.exit(1);
 });
diff --git a/src/server/main.ts b/src/server/main.ts
index d2999a8..2c7748a 100644
--- a/src/server/main.ts
+++ b/src/server/main.ts
@@ -1,5 +1,6 @@
 import { bootstrap } from "./bootstrap";
 import { readRuntimeConfig } from "./config";
+import { createConsoleFallback } from "./logger";
 import { readAppVersion } from "./version";
 
 async function main() {
@@ -9,6 +10,6 @@ async function main() {
 }
 
 void main().catch((error) => {
-  console.error("启动失败:", error instanceof Error ? error.message : error);
+  createConsoleFallback().fatal(`启动失败: ${error instanceof Error ? error.message : String(error)}`);
   process.exit(1);
 });