diff --git a/README-en.md b/README-en.md
index 915d3da..540d6bc 100644
--- a/README-en.md
+++ b/README-en.md
@@ -141,6 +141,20 @@ The project uses admin username/password login. Before using in production:
 - Production command: `wrangler secret put AUTH_SECRET`
 - Default admin credentials: `admin / admin123456` — **change your password immediately after first login.**
 
+### Forgot Your Password?
+
+Reset your password to `admin123456` via the D1 Console in Cloudflare Dashboard:
+
+1. Go to [dash.cloudflare.com](https://dash.cloudflare.com) → **Storage & Databases** → **D1** → click `edgekey-db`
+2. Open the **Console** tab
+3. Run the following SQL:
+
+```sql
+UPDATE Admin SET passwordHash = '$2b$10$viMe8RgcpM30gmmF9OpOcuA/QgleSIUk5VRtqjOulfSIbgK5jQCI6' WHERE username = 'admin';
+```
+
+4. Log in and change your password immediately.
+
 ## Local Development
 
 Bun is recommended (npm/pnpm/yarn also work).
diff --git a/README.md b/README.md
index 8dcdaab..e62d9d0 100644
--- a/README.md
+++ b/README.md
@@ -138,6 +138,20 @@ sed -i 's/"database_name": "edgekey-db"/"database_name": "edgekey-db", "database
 - 生产环境配置AUTH_SECRET命令 `wrangler secret put AUTH_SECRET`
 - 默认管理员账号为 `admin / admin123456`，首次登录后请立即修改密码
 
+### 忘记密码？
+
+在 Cloudflare Dashboard 中通过 D1 Console 将密码重置为 `admin123456`：
+
+1. 进入 [dash.cloudflare.com](https://dash.cloudflare.com) → **Storage & Databases** → **D1** → 点击 `edgekey-db`
+2. 顶部 tab → **Console**
+3. 执行以下 SQL：
+
+```sql
+UPDATE Admin SET passwordHash = '$2b$10$viMe8RgcpM30gmmF9OpOcuA/QgleSIUk5VRtqjOulfSIbgK5jQCI6' WHERE username = 'admin';
+```
+
+4. 登录后台后立即修改密码
+
 ## 本地开发
 
 推荐使用 Bun（也可替换为 npm/pnpm/yarn）。
diff --git a/bun.lock b/bun.lock
index 340c868..36c77ac 100644
--- a/bun.lock
+++ b/bun.lock
@@ -17,6 +17,7 @@
         "@tiptap/starter-kit": "^3.22.3",
         "@tiptap/vue-3": "^3.22.3",
         "@universal-middleware/core": "^0.4.17",
+        "bcryptjs": "^3.0.3",
         "hono": "^4.12.8",
         "pinyin-pro": "^3.28.1",
         "telefunc": "^0.2.19",
@@ -614,6 +615,8 @@
 
     "baseline-browser-mapping": ["baseline-browser-mapping@2.10.13", "", { "bin": { "baseline-browser-mapping": "dist/cli.cjs" } }, "sha512-BL2sTuHOdy0YT1lYieUxTw/QMtPBC3pmlJC6xk8BBYVv6vcw3SGdKemQ+Xsx9ik2F/lYDO9tqsFQH1r9PFuHKw=="],
 
+    "bcryptjs": ["bcryptjs@3.0.3", "", { "bin": { "bcrypt": "bin/bcrypt" } }, "sha512-GlF5wPWnSa/X5LKM1o0wz0suXIINz1iHRLvTS+sLyi7XPbe5ycmYI3DlZqVGZZtDgl4DmasFg7gOB3JYbphV5g=="],
+
     "better-result": ["better-result@2.7.0", "", { "dependencies": { "@clack/prompts": "^0.11.0" }, "bin": { "better-result": "bin/cli.mjs" } }, "sha512-7zrmXjAK8u8Z6SOe4R65XObOR5X+Y2I/VVku3t5cPOGQ8/WsBcfFmfnIPiEl5EBMDOzPHRwbiPbMtQBKYdw7RA=="],
 
     "bindings": ["bindings@1.5.0", "", { "dependencies": { "file-uri-to-path": "1.0.0" } }, "sha512-p2q/t/mhvuOj/UeLlV6566GD/guowlr0hHxClI0W9m7MWYkL1F0hLo+0Aexs9HSPCtR1SXQ0TD3MMKrXZajbiQ=="],
diff --git a/modules/auth/crypto.ts b/modules/auth/crypto.ts
index 8f78f68..6c22431 100644
--- a/modules/auth/crypto.ts
+++ b/modules/auth/crypto.ts
@@ -1,5 +1,15 @@
 import { createHash } from "node:crypto";
+import bcrypt from "bcryptjs";
 
-export function hashAdminPassword(password: string) {
-  return createHash("sha256").update(password).digest("hex");
+export async function hashAdminPassword(password: string) {
+  return bcrypt.hash(password, 10);
 }
+
+export async function verifyAdminPassword(password: string, hash: string) {
+  // 兼容旧 SHA-256 哈希（不以 $2b$ 开头）
+  if (!hash.startsWith("$2b$") && !hash.startsWith("$2a$")) {
+    const sha256 = createHash("sha256").update(password).digest("hex");
+    return sha256 === hash;
+  }
+  return bcrypt.compare(password, hash);
+}
\ No newline at end of file
diff --git a/modules/auth/service.ts b/modules/auth/service.ts
index 0739c9e..e71ebec 100644
--- a/modules/auth/service.ts
+++ b/modules/auth/service.ts
@@ -1,7 +1,7 @@
 import { getContext } from "telefunc";
 import type { PrismaClient } from "../../generated/prisma/client";
 import { badRequestError, notFoundError, unauthorizedError } from "../../lib/app-error";
-import { hashAdminPassword } from "./crypto";
+import { hashAdminPassword, verifyAdminPassword } from "./crypto";
 
 export function assertAdminAccess() {
   const context = getContext<{ session?: { user?: { role?: string } } }>();
@@ -80,13 +80,14 @@ export async function updateAdminProfile(input: {
       throw badRequestError("新密码长度不能少于 8 位", "PASSWORD_TOO_SHORT");
     }
 
-    const currentHash = hashAdminPassword(currentPassword);
-    if (currentHash !== admin.passwordHash) {
+    const currentValid = await verifyAdminPassword(currentPassword, admin.passwordHash);
+    if (!currentValid) {
       throw badRequestError("当前密码不正确", "CURRENT_PASSWORD_INVALID");
     }
 
-    const newHash = hashAdminPassword(newPassword);
-    if (newHash === admin.passwordHash) {
+    const newHash = await hashAdminPassword(newPassword);
+    const newSameAsOld = await verifyAdminPassword(newPassword, admin.passwordHash);
+    if (newSameAsOld) {
       throw badRequestError("新密码不能与当前密码相同", "PASSWORD_UNCHANGED");
     }
 
diff --git a/package.json b/package.json
index 574eb7d..7bc36a2 100644
--- a/package.json
+++ b/package.json
@@ -1,5 +1,5 @@
 {
-  "version": "1.1.1",
+  "version": "1.2.1",
   "scripts": {
     "dev": "vike dev",
     "build": "bun run db:generate && vike build",
@@ -31,6 +31,7 @@
     "@tiptap/starter-kit": "^3.22.3",
     "@tiptap/vue-3": "^3.22.3",
     "@universal-middleware/core": "^0.4.17",
+    "bcryptjs": "^3.0.3",
     "hono": "^4.12.8",
     "pinyin-pro": "^3.28.1",
     "telefunc": "^0.2.19",
diff --git a/pages/admin/login/+Page.vue b/pages/admin/login/+Page.vue
index 5228090..3f12f95 100644
--- a/pages/admin/login/+Page.vue
+++ b/pages/admin/login/+Page.vue
@@ -40,12 +40,15 @@ const csrfToken = ref("");
 const loading = ref(true);
 const errorMsg = ref("");
 
-const ERROR_MAP: Record<string, string> = {CredentialsSignin: "用户名或密码错误",
+const ERROR_MAP: Record<string, string> = {
+  CredentialsSignin: "用户名或密码错误",
+  password_upgrade_failed: "登录成功但密码升级失败，请重置密码后重试",
 };
 
 onMounted(async () => {
-  const error = new URLSearchParams(location.search).get("error");
-  if (error) errorMsg.value = ERROR_MAP[error] ?? "登录失败，请重试";
+  const params = new URLSearchParams(location.search);
+  const code = params.get("code") ?? params.get("error");
+  if (code) errorMsg.value = ERROR_MAP[code] ?? "登录失败，请重试";
   try {
     const response = await fetch("/api/auth/csrf", {
       credentials: "same-origin",
diff --git a/scripts/seed.sql b/scripts/seed.sql
index e7bd3ce..011a0d7 100644
--- a/scripts/seed.sql
+++ b/scripts/seed.sql
@@ -5,7 +5,7 @@
 
 -- 管理员账号
 INSERT INTO "Admin" ("username", "passwordHash", "nickname", "status", "updatedAt")
-VALUES ('admin', 'ac0e7d037817094e9e0b4441f9bae3209d67b02fa484917065f71b16109a1a78', '管理员', 'ACTIVE', CURRENT_TIMESTAMP)
+VALUES ('admin', '$2b$10$viMe8RgcpM30gmmF9OpOcuA/QgleSIUk5VRtqjOulfSIbgK5jQCI6', '管理员', 'ACTIVE', CURRENT_TIMESTAMP)
 ON CONFLICT("username") DO NOTHING;
 
 -- 站点设置
diff --git a/server/authjs-handler.ts b/server/authjs-handler.ts
index 37b5136..0b7dfea 100644
--- a/server/authjs-handler.ts
+++ b/server/authjs-handler.ts
@@ -1,11 +1,12 @@
 import { Auth, type AuthConfig, createActionURL, setEnvDefaults } from "@auth/core";
+import { CredentialsSignin } from "@auth/core/errors";
 import CredentialsProvider from "@auth/core/providers/credentials";
 import type { Session } from "@auth/core/types";
 import { enhance, type UniversalHandler, type UniversalMiddleware } from "@universal-middleware/core";
 import { PrismaClient } from "../generated/prisma/client";
 import { internalServerError, rateLimitError } from "../lib/app-error";
 import { logger } from "../lib/logger";
-import { hashAdminPassword } from "../modules/auth/crypto";
+import { verifyAdminPassword, hashAdminPassword } from "../modules/auth/crypto";
 
 const ADMIN_ROLE = "admin" as const;
 const loginAttemptStore = new Map<string, { count: number; expiresAt: number }>();
@@ -75,11 +76,24 @@ async function findAdminByCredentials(prisma: PrismaClient, username: string, pa
     return null;
   }
 
-  const passwordHash = hashAdminPassword(password);
-  if (admin.passwordHash !== passwordHash) {
+  const valid = await verifyAdminPassword(password, admin.passwordHash);
+  if (!valid) {
     return null;
   }
 
+  // 旧 SHA-256 哈希自动升级为 bcrypt
+  if (!admin.passwordHash.startsWith("$2b$") && !admin.passwordHash.startsWith("$2a$")) {
+    try {
+      const newHash = await hashAdminPassword(password);
+      await prisma.admin.update({ where: { username }, data: { passwordHash: newHash } });
+    } catch (e) {
+      logger.error("auth.password_upgrade.failed", { error: e });
+      const err = new CredentialsSignin("哈希字符串升级失败，请参考官网文档重置管理员密码");
+      err.code = "password_upgrade_failed";
+      throw err;
+    }
+  }
+
   return {
     id: String(admin.id),
     name: admin.nickname || admin.username,