diff --git a/server/app/api/cache/UserCache.php b/server/app/api/cache/UserCache.php
index 82e0170..362324a 100644
--- a/server/app/api/cache/UserCache.php
+++ b/server/app/api/cache/UserCache.php
@@ -75,6 +75,26 @@ class UserCache
         return is_array($data) ? $data : [];
     }
 
+    /**
+     * 仅从缓存读取用户平台币 coin（不查库，低延迟）
+     * @return int|float|null 余额，缓存未命中返回 null（缓存中 coin 可能为字符串，统一转为数值）
+     */
+    public static function getUserCoin(int $userId): int|float|null
+    {
+        $user = self::getUser($userId);
+        if (empty($user) || !array_key_exists('coin', $user)) {
+            return null;
+        }
+        $coin = $user['coin'];
+        if (is_int($coin) || is_float($coin)) {
+            return $coin;
+        }
+        if (is_string($coin) && is_numeric($coin)) {
+            return str_contains($coin, '.') ? (float) $coin : (int) $coin;
+        }
+        return null;
+    }
+
     /** 删除用户缓存 */
     public static function deleteUser(int $userId): bool
     {
diff --git a/server/app/api/controller/UserController.php b/server/app/api/controller/UserController.php
index b8bbf68..bb992d6 100644
--- a/server/app/api/controller/UserController.php
+++ b/server/app/api/controller/UserController.php
@@ -5,6 +5,7 @@ namespace app\api\controller;
 
 use support\Request;
 use support\Response;
+use app\api\cache\UserCache;
 use app\api\logic\UserLogic;
 use plugin\saiadmin\basic\OpenController;
 
@@ -80,4 +81,77 @@ class UserController extends OpenController
         }
         return $this->fail('退出失败或 token 已失效');
     }
+
+    /**
+     * 获取当前用户信息
+     * GET /api/user/info
+     * header: user-token（或 Authorization: Bearer <user-token>）
+     * 返回：id, username, phone, uid, name, coin, total_draw_count
+     */
+    public function info(Request $request): Response
+    {
+        $token = $request->header('user-token');
+        if (empty($token)) {
+            $auth = $request->header('authorization');
+            if ($auth && stripos($auth, 'Bearer ') === 0) {
+                $token = trim(substr($auth, 7));
+            }
+        }
+        if (empty($token)) {
+            return $this->fail('请携带 user-token');
+        }
+        $userId = UserLogic::getUserIdFromToken($token);
+        if ($userId === null) {
+            return $this->fail('user-token 无效或已过期');
+        }
+        $user = UserLogic::getCachedUser($userId);
+        if (empty($user)) {
+            return $this->fail('用户不存在');
+        }
+        $fields = ['id', 'username', 'phone', 'uid', 'name', 'coin', 'total_draw_count'];
+        $info = [];
+        foreach ($fields as $field) {
+            if (array_key_exists($field, $user)) {
+                $info[$field] = $user[$field];
+            }
+        }
+        return $this->success($info);
+    }
+
+    /**
+     * 获取钱包余额（仅读缓存，不查库，低延迟）
+     * GET /api/user/balance
+     * header: user-token（或 Authorization: Bearer <user-token>）
+     * 返回：coin, phone, username（登录时已写入缓存，本接口只从缓存读取）
+     */
+    public function balance(Request $request): Response
+    {
+        $token = $request->header('user-token');
+        if (empty($token)) {
+            $auth = $request->header('authorization');
+            if ($auth && stripos($auth, 'Bearer ') === 0) {
+                $token = trim(substr($auth, 7));
+            }
+        }
+        if (empty($token)) {
+            return $this->fail('请携带 user-token');
+        }
+        $userId = UserLogic::getUserIdFromToken($token);
+        if ($userId === null) {
+            return $this->fail('user-token 无效或已过期');
+        }
+        $user = UserCache::getUser($userId);
+        if (empty($user)) {
+            return $this->fail('缓存已过期，请重新登录');
+        }
+        $coin = $user['coin'] ?? null;
+        if (is_string($coin) && is_numeric($coin)) {
+            $coin = str_contains($coin, '.') ? (float) $coin : (int) $coin;
+        }
+        return $this->success([
+            'coin' => $coin,
+            'phone' => $user['phone'] ?? '',
+            'username' => $user['username'] ?? '',
+        ]);
+    }
 }
diff --git a/server/config/route.php b/server/config/route.php
index a7f00e5..af61584 100644
--- a/server/config/route.php
+++ b/server/config/route.php
@@ -21,6 +21,8 @@ Route::group('/api', function () {
     Route::post('/user/login', [app\api\controller\UserController::class, 'login']);
     Route::post('/user/register', [app\api\controller\UserController::class, 'register']);
     Route::post('/user/logout', [app\api\controller\UserController::class, 'logout']);
+    Route::get('/user/info', [app\api\controller\UserController::class, 'info']);
+    Route::get('/user/balance', [app\api\controller\UserController::class, 'balance']);
 })->middleware([CheckApiAuthMiddleware::class]);