diff --git a/database.mjs b/database.mjs
index 961b83c..ac9a0a6 100644
--- a/database.mjs
+++ b/database.mjs
@@ -198,7 +198,7 @@ function buildSeedOperations(state) {
   for (const rule of state.admissionNumberRules) {
     add(
       `INSERT INTO admission_number_rules (
-        id, code, name, description, separator, segments_json, example, active, created_at
+        id, code, name, description, \`separator\`, segments_json, example, active, created_at
       ) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?)`,
       rule.id, rule.code, rule.name, rule.description, rule.separator || '', JSON.stringify(rule.segments || []),
       rule.example || '', rule.active === false ? 0 : 1, rule.createdAt
@@ -267,7 +267,7 @@ function buildSeedOperations(state) {
 
   for (const rule of state.numberRules) {
     add(
-      'INSERT INTO number_rules (id, name, separator, active, created_by, updated_at) VALUES (?, ?, ?, ?, ?, ?)',
+      'INSERT INTO number_rules (id, name, `separator`, active, created_by, updated_at) VALUES (?, ?, ?, ?, ?, ?)',
       rule.id, rule.name, rule.separator || '', rule.active ? 1 : 0, nullable(rule.createdBy), rule.updatedAt
     );
     rule.segments.forEach((segment, index) => add(
@@ -1123,13 +1123,13 @@ function createRepository({ client, location, read, transaction, close }) {
       const operations = [operation('UPDATE number_rules SET active = 0 WHERE active = 1')];
       if (isNew) {
         operations.push(operation(
-          'INSERT INTO number_rules (id, name, separator, active, created_by, updated_at) VALUES (?, ?, ?, ?, ?, ?)',
+          'INSERT INTO number_rules (id, name, `separator`, active, created_by, updated_at) VALUES (?, ?, ?, ?, ?, ?)',
           rule.id, rule.name, rule.separator, rule.active ? 1 : 0, optional(rule.createdBy), rule.updatedAt
         ));
       } else {
         operations.push(
           operation(
-            'UPDATE number_rules SET name = ?, separator = ?, active = ?, created_by = ?, updated_at = ? WHERE id = ?',
+            'UPDATE number_rules SET name = ?, `separator` = ?, active = ?, created_by = ?, updated_at = ? WHERE id = ?',
             rule.name, rule.separator, rule.active ? 1 : 0, optional(rule.createdBy), rule.updatedAt, rule.id
           ),
           operation('DELETE FROM number_rule_segments WHERE rule_id = ?', rule.id)
diff --git a/src/database/mysql-adapter.mjs b/src/database/mysql-adapter.mjs
index d50c256..5858e31 100644
--- a/src/database/mysql-adapter.mjs
+++ b/src/database/mysql-adapter.mjs
@@ -151,7 +151,7 @@ export function createMysqlAdapter(context) {
         const extension = seed();
         for (const rule of extension.admissionNumberRules) await pool.execute(
           `INSERT INTO admission_number_rules (
-            id, code, name, description, separator, segments_json, example, active, created_at
+            id, code, name, description, \`separator\`, segments_json, example, active, created_at
           ) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?)`,
           [rule.id, rule.code, rule.name, rule.description, rule.separator || '', JSON.stringify(rule.segments || []),
             rule.example || '', rule.active === false ? 0 : 1, rule.createdAt]
@@ -226,7 +226,7 @@ export function createMysqlAdapter(context) {
           const [ruleRows] = await connection.execute('SELECT id FROM number_rules LIMIT 1');
           if (!ruleRows.length) for (const rule of extension.numberRules) {
             await connection.execute(
-              'INSERT INTO number_rules (id, name, separator, active, created_by, updated_at) VALUES (?, ?, ?, ?, ?, ?)',
+              'INSERT INTO number_rules (id, name, `separator`, active, created_by, updated_at) VALUES (?, ?, ?, ?, ?, ?)',
               [rule.id, rule.name, rule.separator || '', rule.active ? 1 : 0, optional(rule.createdBy), rule.updatedAt]
             );
             for (const [index, segment] of rule.segments.entries()) await connection.execute(
diff --git a/src/database/schema.mjs b/src/database/schema.mjs
index 7508f96..cad9f68 100644
--- a/src/database/schema.mjs
+++ b/src/database/schema.mjs
@@ -708,7 +708,7 @@ export const mysqlSchema = [
     code VARCHAR(80) NOT NULL,
     name VARCHAR(160) NOT NULL,
     description VARCHAR(500) NOT NULL,
-    separator VARCHAR(10) NOT NULL DEFAULT '',
+    \`separator\` VARCHAR(10) NOT NULL DEFAULT '',
     segments_json JSON NOT NULL,
     example VARCHAR(120) NOT NULL,
     active BOOLEAN NOT NULL DEFAULT TRUE,
@@ -824,7 +824,7 @@ export const mysqlSchema = [
   `CREATE TABLE IF NOT EXISTS number_rules (
     id VARCHAR(64) NOT NULL,
     name VARCHAR(120) NOT NULL,
-    separator VARCHAR(10) NOT NULL DEFAULT '',
+    \`separator\` VARCHAR(10) NOT NULL DEFAULT '',
     active BOOLEAN NOT NULL DEFAULT FALSE,
     created_by VARCHAR(64) NULL,
     updated_at VARCHAR(35) NOT NULL,
diff --git a/tests/system.test.mjs b/tests/system.test.mjs
index 0191548..b97b83a 100644
--- a/tests/system.test.mjs
+++ b/tests/system.test.mjs
@@ -4,12 +4,18 @@ import { resolve } from 'node:path';
 import assert from 'node:assert/strict';
 import ExcelJS from 'exceljs';
 import { relationalTables } from '../database.mjs';
+import { mysqlSchema } from '../src/database/schema.mjs';
 import { buildCenterMaterialsWorkbook, buildWorkbook } from '../excel.mjs';
 
 const root = resolve(process.cwd());
 const port = 4182;
 const baseUrl = `http://127.0.0.1:${port}`;
 const testDb = resolve(root, 'data', 'test-db.sqlite');
+const mysqlRuleSchemas = mysqlSchema.filter(statement => /CREATE TABLE IF NOT EXISTS (?:admission_number_rules|number_rules)\b/.test(statement));
+assert.equal(mysqlRuleSchemas.length, 2, 'MySQL 应包含两张号码规则表');
+for (const statement of mysqlRuleSchemas) {
+  assert.match(statement, /`separator` VARCHAR\(10\)/, 'MySQL 保留字 separator 必须作为标识符转义');
+}
 await rm(testDb, { force: true });
 await rm(`${testDb}-shm`, { force: true });
 await rm(`${testDb}-wal`, { force: true });