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Etcd.php

@@ -38,7 +38,7 @@ class Etcd extends Component
         }
 
         $key = 'center.service.' . gethostbyname(gethostname());
-        pcntl_signal(SIGINT, function () use ($key) {
+        \pcntl_signal(SIGINT, function () use ($key) {
             $this->isEnd = true;
             $this->client->del($key);
         });

RpcProcess.php

@@ -39,8 +39,8 @@ class RpcProcess extends BaseProcess
         if (Context::inCoroutine()) {
             Coroutine::create(fn() => $this->onShutdown(Coroutine::waitSignal(SIGTERM | SIGINT)));
         } else {
-            pcntl_signal(SIGTERM, [$this, 'onStop']);
-            pcntl_signal(SIGINT, [$this, 'onStop']);
+            \pcntl_signal(SIGTERM, [$this, 'onStop']);
+            \pcntl_signal(SIGINT, [$this, 'onStop']);
         }
         return $this;
     }