diff --git a/hgdriver/hgdev/usb_manager.cpp b/hgdriver/hgdev/usb_manager.cpp
index 449e0fd..e8a67ef 100644
--- a/hgdriver/hgdev/usb_manager.cpp
+++ b/hgdriver/hgdev/usb_manager.cpp
@@ -214,16 +214,7 @@ void usb_manager::notify_usb_event(PNPDEV& pd, bool* retry)
     {
         ev = USB_EVENT_DEVICE_ARRIVED;
         evstr = "USB_EVENT_DEVICE_ARRIVED";
-        if (ud.pid == 0x300 || ud.pid == 0x400  //G400 G300设备延迟通信，能够《暂缓》设备未准备好而导致通信错误问题
-            || ud.pid == 0x6005
-            || ud.pid == 0x8420 || ud.pid == 0x8200 || ud.pid == 0x8520
-            || ud.pid == 0x7002 || ud.pid == 0x1000
-            )
-        {
-            std::this_thread::sleep_for(std::chrono::milliseconds(10000));
-        }
-        else if (ud.vid == 0x31c9 || ud.vid == 0x3072 || ud.vid == 0x2903 || ud.vid == 0X05DA || ud.vid == 0x3308)
-            std::this_thread::sleep_for(std::chrono::milliseconds(2000));
+
     }
     else if (LIBUSB_HOTPLUG_EVENT_DEVICE_LEFT == pd.event)
     {