feat:增密stopListen

@@ -214,4 +214,13 @@ class ExBroker
         }
         return $res['data'];
     }
+    public function stopListen()
+    {
+        if (isset($this->wsAcc)) {
+            $this->wsAcc->close();
+        }
+        if (isset($this->wsKline)) {
+            $this->wsKline->close();
+        }
+    }
 }