diff --git a/usb/usb_standard/src/main/js/test/UsbCoreJsunitEx.test.js b/usb/usb_standard/src/main/js/test/UsbCoreJsunitEx.test.js
index f1c8b0651f0500c7152487591b34d87f79ff509c..91d9e74e727bba3fa98b11867c937ec5e48df4a7 100644
--- a/usb/usb_standard/src/main/js/test/UsbCoreJsunitEx.test.js
+++ b/usb/usb_standard/src/main/js/test/UsbCoreJsunitEx.test.js
@@ -492,7 +492,7 @@ describe('UsbCoreJsFunctionsTestEx', function () {
   /**
    * @tc.number: SUB_USB_JS_0200
    * @tc.name: connectDevice
-   * @tc.desc: Negative test: open device, error subclass
+   * @tc.desc: Negative test: open device, error subClass
    */
   it('SUB_USB_JS_0200', 0, function () {
     console.info('usb connect_device_12 begin');
@@ -518,14 +518,14 @@ describe('UsbCoreJsFunctionsTestEx', function () {
     }
 
     var device = JSON.parse(JSON.stringify(gDeviceList[0]));
-    device.subclass = 2 + 10000
+    device.subClass = 2 + 10000
     try {
       var usbDevicePipe = usb.connectDevice(device)
     } catch (err) {
       expect(true).assertTrue();
       console.info('usb connectDevice fail：' + err);
     }
-    console.info('usb case connectDevice ret: ' + JSON.stringify(usbDevicePipe) + ' subclass ' + device.subclass);
+    console.info('usb case connectDevice ret: ' + JSON.stringify(usbDevicePipe) + ' subClass ' + device.subClass);
     expect(CheckEmptyUtils.isEmpty(usbDevicePipe)).assertFalse();
     var isPipClose = usb.closePipe(usbDevicePipe);
     console.info('usb case closePipe ret: ' + isPipClose);
diff --git a/usb/usb_standard/src/main/js/test/UsbDevicePipeJsunit.test.js b/usb/usb_standard/src/main/js/test/UsbDevicePipeJsunit.test.js
index 6128aaca5f5596847805d82eecf378c3f8be23f0..d8cc170728d6bd1960a928da82c347fbea802794 100644
--- a/usb/usb_standard/src/main/js/test/UsbDevicePipeJsunit.test.js
+++ b/usb/usb_standard/src/main/js/test/UsbDevicePipeJsunit.test.js
@@ -103,7 +103,7 @@ describe('UsbDevicePipeJsFunctionsTest', function () {
     }
 
     if (testParam.config.interfaces[j].clazz != 10 ||
-      testParam.config.interfaces[j].subclass != 0 ||
+      testParam.config.interfaces[j].subClass != 0 ||
       testParam.config.interfaces[j].protocol != 2) {
       return false
     }
diff --git a/usb/usb_standard/src/main/js/test/UsbDevicePipeJsunitEx.test.js b/usb/usb_standard/src/main/js/test/UsbDevicePipeJsunitEx.test.js
index beebaea2c42a0996220450c7d8d828b218f744fd..01f2a772387297ccec41fac68ff1680a85ece1d6 100644
--- a/usb/usb_standard/src/main/js/test/UsbDevicePipeJsunitEx.test.js
+++ b/usb/usb_standard/src/main/js/test/UsbDevicePipeJsunitEx.test.js
@@ -92,7 +92,7 @@ describe('UsbDevicePipeJsFunctionsTestEx', function () {
 
   function getFlag(testParam, j) {
     if (testParam.config.interfaces[j].clazz != 10 ||
-      testParam.config.interfaces[j].subclass != 0 ||
+      testParam.config.interfaces[j].subClass != 0 ||
       testParam.config.interfaces[j].protocol != 2) {
       return false
     }