chore: add debug logs to AuthService::getPhoneNumber

@@ -190,7 +190,10 @@ class AuthService
         $appId = $this->config['wechat']['app_id'];
         $appSecret = $this->config['wechat']['app_secret'];
 
+        echo "Debug: Checking WeChat Config - AppID: {$appId}, SecretLen: " . strlen($appSecret) . "\n";
+
         if (empty($appId) || empty($appSecret)) {
+            echo "Debug: AppID or Secret is empty!\n";
             return null; // 开发模式不支持
         }
 
@@ -200,25 +203,35 @@ class AuthService
             'appid' => $appId,
             'secret' => $appSecret,
         ]);
-        $tokenRes = json_decode(file_get_contents($tokenUrl), true);
+
+        $tokenRaw = file_get_contents($tokenUrl);
+        echo "Debug: Access Token Raw Response: {$tokenRaw}\n";
+
+        $tokenRes = json_decode($tokenRaw, true);
         if (empty($tokenRes['access_token'])) {
+            echo "Debug: Failed to get access token.\n";
             return null;
         }
 
         // 2. 获取手机号
         $phoneUrl = "https://api.weixin.qq.com/wxa/business/getuserphonenumber?access_token=" . $tokenRes['access_token'];
-        $phoneRes = json_decode(file_get_contents($phoneUrl, false, stream_context_create([
+        $phoneRaw = file_get_contents($phoneUrl, false, stream_context_create([
             'http' => [
                 'method' => 'POST',
                 'header' => 'Content-Type: application/json',
                 'content' => json_encode(['code' => $phoneCode])
             ]
-        ])), true);
+        ]));
+
+        echo "Debug: Phone Number Raw Response: {$phoneRaw}\n";
+
+        $phoneRes = json_decode($phoneRaw, true);
 
         if (isset($phoneRes['phone_info']['purePhoneNumber'])) {
             return $phoneRes['phone_info']['purePhoneNumber'];
         }
 
+        echo "Debug: Failed to parse phone number from response.\n";
         return null;
     }