diff --git a/CHANGELOG-2.0.md b/CHANGELOG-2.0.md
index 1e0d3112d..00873f80c 100644
--- a/CHANGELOG-2.0.md
+++ b/CHANGELOG-2.0.md
@@ -44,6 +44,7 @@
 ## Fixed
 
 - [#1825](https://github.com/hyperf/hyperf/pull/1825) Fixed `TypeError` for `StartServer::execute`.
+- [#1854](https://github.com/hyperf/hyperf/pull/1854) Fixed `is_resource` does not works when use `Runtime::enableCoroutine()` privately in filesystem.
 
 ## Optimized
 
diff --git a/src/filesystem/src/Adapter/AliyunOssHook.php b/src/filesystem/src/Adapter/AliyunOssHook.php
index 6a44bf345..edf5389bc 100644
--- a/src/filesystem/src/Adapter/AliyunOssHook.php
+++ b/src/filesystem/src/Adapter/AliyunOssHook.php
@@ -10,12 +10,11 @@ declare(strict_types=1);
  * @license  https://github.com/hyperf/hyperf/blob/master/LICENSE
  */
 namespace Oss\OssClient {
+    use Swoole\Runtime;
+
     function is_resource($resource)
     {
-        if (! function_exists('swoole_hook_flags')) {
-            return \is_resource($resource) || $resource instanceof \Swoole\Curl\Handler;
-        }
-        if (swoole_hook_flags() & SWOOLE_HOOK_CURL) {
+        if (Runtime::getHookFlags() & SWOOLE_HOOK_CURL) {
             return \is_resource($resource) || $resource instanceof \Swoole\Curl\Handler;
         }
         return \is_resource($resource);
@@ -23,12 +22,11 @@ namespace Oss\OssClient {
 }
 
 namespace Oss\Http {
+    use Swoole\Runtime;
+
     function is_resource($resource)
     {
-        if (! function_exists('swoole_hook_flags')) {
-            return \is_resource($resource) || $resource instanceof \Swoole\Curl\Handler;
-        }
-        if (swoole_hook_flags() & SWOOLE_HOOK_CURL) {
+        if (Runtime::getHookFlags() & SWOOLE_HOOK_CURL) {
             return \is_resource($resource) || $resource instanceof \Swoole\Curl\Handler;
         }
         return \is_resource($resource);
diff --git a/src/utils/src/Functions.php b/src/utils/src/Functions.php
index 72ac8172b..e0408ac41 100644
--- a/src/utils/src/Functions.php
+++ b/src/utils/src/Functions.php
@@ -439,11 +439,11 @@ if (! function_exists('run')) {
 
 if (! function_exists('swoole_hook_flags')) {
     /**
-     * Return the currently enabled swoole hook flags.
+     * Return the default swoole hook flags, you can rewrite it by defining `SWOOLE_HOOK_FLAGS`.
      */
     function swoole_hook_flags(): int
     {
-        return \Swoole\Runtime::getHookFlags();
+        return defined('SWOOLE_HOOK_FLAGS') ? SWOOLE_HOOK_FLAGS : SWOOLE_HOOK_ALL;
     }
 }