更新

app/Http/Controllers/Api/MerchantController.php

@@ -45,7 +45,7 @@ public function getUserList(Request $request)
                     'uid' => $uid,
                     'name' => $item->name,
                     'divide_price' => (float)$divide_price,
-                    'avatar' => (isset($item->avatar) ? env('IMAGE_URL') . $item->avatar : ''),
+                    'avatar' => (isset($item->avatar) ? env('IMAGE_URL') . $item->avatar : env('NO_AVATAR_IMAGE_URL')),
                     'created_at' => date('Y-m-d H:i:s', strtotime($item->created_at)),
                 ];
             }

app/Http/Controllers/Api/StoreAdminUsersController.php

@@ -80,7 +80,7 @@ public function info(Request $request)
             'user_id' => $muser->id,
             'username' => $muser->username,
             'merchant_name' => $muser->name,
-            'avatar' => $muser->avatar ? env('IMAGE_URL') . $muser->avatar : '',
+            'avatar' => $muser->avatar ? env('IMAGE_URL') . $muser->avatar : env('NO_AVATAR_IMAGE_URL'),
             'merchant_id' => $muser->merchant_id,
             'buycode' => $buycode,
             'total_revenue' => $total_revenue,