diff --git a/demo/es32/usb_device/ES32F369x/Inc/usb_config.h b/demo/es32/usb_device/ES32F369x/Inc/usb_config.h
index 59dd164b..39c77df6 100644
--- a/demo/es32/usb_device/ES32F369x/Inc/usb_config.h
+++ b/demo/es32/usb_device/ES32F369x/Inc/usb_config.h
@@ -1,6 +1,17 @@
 #ifndef _USB_CONFIG_H
 #define _USB_CONFIG_H
 
+/* USB common Configuration */
+#ifndef CONFIG_USB_DBG_LEVEL
+#define CONFIG_USB_DBG_LEVEL USB_DBG_INFO
+#endif
+
+#ifndef CONFIG_USB_PRINTF
+#define CONFIG_USB_PRINTF printf
+#endif
+
+#define CONFIG_USB_PRINTF_COLOR_ENABLE
+
 /* USB DEVICE Configuration */
 /* core */
 #ifndef CONFIG_USBDEV_REQUEST_BUFFER_LEN
@@ -15,6 +26,9 @@
 #define CONFIG_USBDEV_TEST_MODE 0
 #endif
 
+/* cdc class */
+// #define CONFIG_USBDEV_CDC_ACM_UART
+
 /* msc class */
 #ifndef CONFIG_USBDEV_MSC_MANUFACTURER_STRING
 #define CONFIG_USBDEV_MSC_MANUFACTURER_STRING ""
@@ -28,6 +42,18 @@
 #define CONFIG_USBDEV_MSC_VERSION_STRING "0.01"
 #endif
 
+// #define CONFIG_USBDEV_MSC_THREAD
+
+#ifdef CONFIG_USBDEV_MSC_THREAD
+#ifndef CONFIG_USBDEV_MSC_STACKSIZE
+#define CONFIG_USBDEV_MSC_STACKSIZE 2048
+#endif
+
+#ifndef CONFIG_USBDEV_MSC_PRIO
+#define CONFIG_USBDEV_MSC_PRIO 4
+#endif
+#endif
+
 /* audio class */
 #ifndef CONFIG_USBDEV_AUDIO_VERSION
 #define CONFIG_USBDEV_AUDIO_VERSION 0x0100
diff --git a/demo/es32/usb_device/ES32F369x/MDK-ARM/example.uvoptx b/demo/es32/usb_device/ES32F369x/MDK-ARM/example.uvoptx
index 39376be1..036e76d6 100644
--- a/demo/es32/usb_device/ES32F369x/MDK-ARM/example.uvoptx
+++ b/demo/es32/usb_device/ES32F369x/MDK-ARM/example.uvoptx
@@ -125,7 +125,7 @@
         <SetRegEntry>
           <Number>0</Number>
           <Key>CMSIS_AGDI</Key>
-          <Name>-X"essemi CMSIS-DAP" -U0001A000000A -O495 -S0 -C0 -P00000000 -N00("ARM CoreSight SW-DP") -D00(2BA01477) -L00(0) -TO65554 -TC10000000 -TT10000000 -TP20 -TDS8007 -TDT0 -TDC1F -TIEFFFFFFFF -TIP8 -FO15 -FD20000000 -FC1000 -FN1 -FF0es32f36xx.FLM -FS00 -FL080000 -FP0($$Device:ES32F3696LT$Flash\es32f36xx.FLM)</Name>
+          <Name>-X"essemi CMSIS-DAP" -U0001A000000A -O367 -S0 -C0 -P00000000 -N00("ARM CoreSight SW-DP") -D00(2BA01477) -L00(0) -TO65554 -TC10000000 -TT10000000 -TP20 -TDS8007 -TDT0 -TDC1F -TIEFFFFFFFF -TIP8 -FO15 -FD20000000 -FC1000 -FN1 -FF0es32f36xx.FLM -FS00 -FL080000 -FP0($$Device:ES32F3696LT$Flash\es32f36xx.FLM)</Name>
         </SetRegEntry>
         <SetRegEntry>
           <Number>0</Number>
@@ -163,40 +163,7 @@
           <Name>-T0</Name>
         </SetRegEntry>
       </TargetDriverDllRegistry>
-      <Breakpoint>
-        <Bp>
-          <Number>0</Number>
-          <Type>0</Type>
-          <LineNumber>319</LineNumber>
-          <EnabledFlag>1</EnabledFlag>
-          <Address>0</Address>
-          <ByteObject>0</ByteObject>
-          <HtxType>0</HtxType>
-          <ManyObjects>0</ManyObjects>
-          <SizeOfObject>0</SizeOfObject>
-          <BreakByAccess>0</BreakByAccess>
-          <BreakIfRCount>0</BreakIfRCount>
-          <Filename>..\..\..\..\..\port\musb\usb_dc_musb.c</Filename>
-          <ExecCommand></ExecCommand>
-          <Expression></Expression>
-        </Bp>
-        <Bp>
-          <Number>1</Number>
-          <Type>0</Type>
-          <LineNumber>320</LineNumber>
-          <EnabledFlag>1</EnabledFlag>
-          <Address>0</Address>
-          <ByteObject>0</ByteObject>
-          <HtxType>0</HtxType>
-          <ManyObjects>0</ManyObjects>
-          <SizeOfObject>0</SizeOfObject>
-          <BreakByAccess>0</BreakByAccess>
-          <BreakIfRCount>0</BreakIfRCount>
-          <Filename>..\..\..\..\..\port\musb\usb_dc_musb.c</Filename>
-          <ExecCommand></ExecCommand>
-          <Expression></Expression>
-        </Bp>
-      </Breakpoint>
+      <Breakpoint/>
       <MemoryWindow1>
         <Mm>
           <WinNumber>1</WinNumber>
@@ -355,18 +322,6 @@
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
       <bDave2>0</bDave2>
-      <PathWithFileName>..\..\..\Drivers\ALD\ES32F36xx\Source\ald_iap.c</PathWithFileName>
-      <FilenameWithoutPath>ald_iap.c</FilenameWithoutPath>
-      <RteFlg>0</RteFlg>
-      <bShared>0</bShared>
-    </File>
-    <File>
-      <GroupNumber>2</GroupNumber>
-      <FileNumber>7</FileNumber>
-      <FileType>1</FileType>
-      <tvExp>0</tvExp>
-      <tvExpOptDlg>0</tvExpOptDlg>
-      <bDave2>0</bDave2>
       <PathWithFileName>..\..\..\Drivers\ALD\ES32F36xx\Source\ald_pmu.c</PathWithFileName>
       <FilenameWithoutPath>ald_pmu.c</FilenameWithoutPath>
       <RteFlg>0</RteFlg>
@@ -374,7 +329,7 @@
     </File>
     <File>
       <GroupNumber>2</GroupNumber>
-      <FileNumber>8</FileNumber>
+      <FileNumber>7</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -386,7 +341,7 @@
     </File>
     <File>
       <GroupNumber>2</GroupNumber>
-      <FileNumber>9</FileNumber>
+      <FileNumber>8</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -398,19 +353,19 @@
     </File>
     <File>
       <GroupNumber>2</GroupNumber>
-      <FileNumber>10</FileNumber>
+      <FileNumber>9</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
       <bDave2>0</bDave2>
-      <PathWithFileName>..\..\..\Drivers\ALD\ES32F36xx\Source\ald_usb.c</PathWithFileName>
-      <FilenameWithoutPath>ald_usb.c</FilenameWithoutPath>
+      <PathWithFileName>..\..\..\Drivers\ALD\ES32F36xx\Source\ald_iap.c</PathWithFileName>
+      <FilenameWithoutPath>ald_iap.c</FilenameWithoutPath>
       <RteFlg>0</RteFlg>
       <bShared>0</bShared>
     </File>
     <File>
       <GroupNumber>2</GroupNumber>
-      <FileNumber>11</FileNumber>
+      <FileNumber>10</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -430,7 +385,7 @@
     <RteFlg>0</RteFlg>
     <File>
       <GroupNumber>3</GroupNumber>
-      <FileNumber>12</FileNumber>
+      <FileNumber>11</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -442,7 +397,7 @@
     </File>
     <File>
       <GroupNumber>3</GroupNumber>
-      <FileNumber>13</FileNumber>
+      <FileNumber>12</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -454,7 +409,7 @@
     </File>
     <File>
       <GroupNumber>3</GroupNumber>
-      <FileNumber>14</FileNumber>
+      <FileNumber>13</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -474,7 +429,7 @@
     <RteFlg>0</RteFlg>
     <File>
       <GroupNumber>4</GroupNumber>
-      <FileNumber>15</FileNumber>
+      <FileNumber>14</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -486,7 +441,7 @@
     </File>
     <File>
       <GroupNumber>4</GroupNumber>
-      <FileNumber>16</FileNumber>
+      <FileNumber>15</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -498,7 +453,7 @@
     </File>
     <File>
       <GroupNumber>4</GroupNumber>
-      <FileNumber>17</FileNumber>
+      <FileNumber>16</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
diff --git a/demo/es32/usb_device/ES32F369x/MDK-ARM/example.uvprojx b/demo/es32/usb_device/ES32F369x/MDK-ARM/example.uvprojx
index 2697826d..855a6e75 100644
--- a/demo/es32/usb_device/ES32F369x/MDK-ARM/example.uvprojx
+++ b/demo/es32/usb_device/ES32F369x/MDK-ARM/example.uvprojx
@@ -338,9 +338,9 @@
             <v6Rtti>0</v6Rtti>
             <VariousControls>
               <MiscControls></MiscControls>
-              <Define>USE_ASSERT,ES32F36xx,USBD_CDC_HS</Define>
+              <Define>ES32F36xx</Define>
               <Undefine></Undefine>
-              <IncludePath>..\..\..\Drivers\CMSIS\Include;..\..\..\Drivers\CMSIS\Device\EastSoft\ES32F36xx\Include;..\..\..\Drivers\ALD\ES32F36xx\Include;..\Inc;..\..\..\..\..\common;..\..\..\..\..\core;..\..\..\..\..\class\cdc</IncludePath>
+              <IncludePath>..\..\..\Drivers\CMSIS\Include;..\..\..\Drivers\CMSIS\Device\EastSoft\ES32F36xx\Include;..\..\..\Drivers\ALD\ES32F36xx\Include;..\Inc;..\..\..\..\..\common;..\..\..\..\..\core;..\..\..\..\..\class\cdc;..\..\..\..\..\class\video;..\..\..\..\..\demo</IncludePath>
             </VariousControls>
           </Cads>
           <Aads>
@@ -414,11 +414,6 @@
               <FileType>1</FileType>
               <FilePath>..\..\..\Drivers\ALD\ES32F36xx\Source\ald_gpio.c</FilePath>
             </File>
-            <File>
-              <FileName>ald_iap.c</FileName>
-              <FileType>1</FileType>
-              <FilePath>..\..\..\Drivers\ALD\ES32F36xx\Source\ald_iap.c</FilePath>
-            </File>
             <File>
               <FileName>ald_pmu.c</FileName>
               <FileType>1</FileType>
@@ -435,9 +430,9 @@
               <FilePath>..\..\..\Drivers\ALD\ES32F36xx\Source\ald_uart.c</FilePath>
             </File>
             <File>
-              <FileName>ald_usb.c</FileName>
+              <FileName>ald_iap.c</FileName>
               <FileType>1</FileType>
-              <FilePath>..\..\..\Drivers\ALD\ES32F36xx\Source\ald_usb.c</FilePath>
+              <FilePath>..\..\..\Drivers\ALD\ES32F36xx\Source\ald_iap.c</FilePath>
             </File>
             <File>
               <FileName>utils.c</FileName>
diff --git a/demo/es32/usb_host/ES32F369x/Inc/usb_config.h b/demo/es32/usb_host/ES32F369x/Inc/usb_config.h
index 86c786cc..39c77df6 100644
--- a/demo/es32/usb_host/ES32F369x/Inc/usb_config.h
+++ b/demo/es32/usb_host/ES32F369x/Inc/usb_config.h
@@ -1,7 +1,67 @@
 #ifndef _USB_CONFIG_H
 #define _USB_CONFIG_H
 
+/* USB common Configuration */
+#ifndef CONFIG_USB_DBG_LEVEL
+#define CONFIG_USB_DBG_LEVEL USB_DBG_INFO
+#endif
+
+#ifndef CONFIG_USB_PRINTF
+#define CONFIG_USB_PRINTF printf
+#endif
+
+#define CONFIG_USB_PRINTF_COLOR_ENABLE
+
 /* USB DEVICE Configuration */
+/* core */
+#ifndef CONFIG_USBDEV_REQUEST_BUFFER_LEN
+#define CONFIG_USBDEV_REQUEST_BUFFER_LEN 256
+#endif
+
+#ifndef CONFIG_USBDEV_DESC_CHECK
+#define CONFIG_USBDEV_DESC_CHECK 0
+#endif
+
+#ifndef CONFIG_USBDEV_TEST_MODE
+#define CONFIG_USBDEV_TEST_MODE 0
+#endif
+
+/* cdc class */
+// #define CONFIG_USBDEV_CDC_ACM_UART
+
+/* msc class */
+#ifndef CONFIG_USBDEV_MSC_MANUFACTURER_STRING
+#define CONFIG_USBDEV_MSC_MANUFACTURER_STRING ""
+#endif
+
+#ifndef CONFIG_USBDEV_MSC_PRODUCT_STRING
+#define CONFIG_USBDEV_MSC_PRODUCT_STRING ""
+#endif
+
+#ifndef CONFIG_USBDEV_MSC_VERSION_STRING
+#define CONFIG_USBDEV_MSC_VERSION_STRING "0.01"
+#endif
+
+// #define CONFIG_USBDEV_MSC_THREAD
+
+#ifdef CONFIG_USBDEV_MSC_THREAD
+#ifndef CONFIG_USBDEV_MSC_STACKSIZE
+#define CONFIG_USBDEV_MSC_STACKSIZE 2048
+#endif
+
+#ifndef CONFIG_USBDEV_MSC_PRIO
+#define CONFIG_USBDEV_MSC_PRIO 4
+#endif
+#endif
+
+/* audio class */
+#ifndef CONFIG_USBDEV_AUDIO_VERSION
+#define CONFIG_USBDEV_AUDIO_VERSION 0x0100
+#endif
+
+#ifndef CONFIG_USBDEV_AUDIO_MAX_CHANNEL
+#define CONFIG_USBDEV_AUDIO_MAX_CHANNEL 2
+#endif
 
 /* USB HOST Configuration */
 #ifndef CONFIG_USBHOST_RHPORTS
@@ -69,4 +129,4 @@
 #define CONFIG_USB_ECHI_HCOR_RESERVED_DISABLE
 // #define CONFIG_USB_EHCI_CONFIGFLAG
 
-#endif
\ No newline at end of file
+#endif
diff --git a/demo/es32/usb_host/ES32F369x/MDK-ARM/example.uvoptx b/demo/es32/usb_host/ES32F369x/MDK-ARM/example.uvoptx
index ce16373c..078e74ae 100644
--- a/demo/es32/usb_host/ES32F369x/MDK-ARM/example.uvoptx
+++ b/demo/es32/usb_host/ES32F369x/MDK-ARM/example.uvoptx
@@ -125,7 +125,7 @@
         <SetRegEntry>
           <Number>0</Number>
           <Key>CMSIS_AGDI</Key>
-          <Name>-X"essemi CMSIS-DAP" -U0001A000000A -O495 -S0 -C0 -P00000000 -N00("ARM CoreSight SW-DP") -D00(2BA01477) -L00(0) -TO65554 -TC10000000 -TT10000000 -TP20 -TDS8007 -TDT0 -TDC1F -TIEFFFFFFFF -TIP8 -FO15 -FD20000000 -FC1000 -FN1 -FF0es32f36xx.FLM -FS00 -FL080000 -FP0($$Device:ES32F3696LT$Flash\es32f36xx.FLM)</Name>
+          <Name>-X"essemi CMSIS-DAP" -U0001A000000A -O367 -S0 -C0 -P00000000 -N00("ARM CoreSight SW-DP") -D00(2BA01477) -L00(0) -TO65554 -TC10000000 -TT10000000 -TP20 -TDS8007 -TDT0 -TDC1F -TIEFFFFFFFF -TIP8 -FO15 -FD20000000 -FC1000 -FN1 -FF0es32f36xx.FLM -FS00 -FL080000 -FP0($$Device:ES32F3696LT$Flash\es32f36xx.FLM)</Name>
         </SetRegEntry>
         <SetRegEntry>
           <Number>0</Number>
@@ -387,18 +387,6 @@
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
       <bDave2>0</bDave2>
-      <PathWithFileName>..\..\..\Drivers\ALD\ES32F36xx\Source\ald_usb.c</PathWithFileName>
-      <FilenameWithoutPath>ald_usb.c</FilenameWithoutPath>
-      <RteFlg>0</RteFlg>
-      <bShared>0</bShared>
-    </File>
-    <File>
-      <GroupNumber>2</GroupNumber>
-      <FileNumber>11</FileNumber>
-      <FileType>1</FileType>
-      <tvExp>0</tvExp>
-      <tvExpOptDlg>0</tvExpOptDlg>
-      <bDave2>0</bDave2>
       <PathWithFileName>..\..\..\Drivers\ALD\ES32F36xx\Source\utils.c</PathWithFileName>
       <FilenameWithoutPath>utils.c</FilenameWithoutPath>
       <RteFlg>0</RteFlg>
@@ -414,7 +402,7 @@
     <RteFlg>0</RteFlg>
     <File>
       <GroupNumber>3</GroupNumber>
-      <FileNumber>12</FileNumber>
+      <FileNumber>11</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -426,7 +414,7 @@
     </File>
     <File>
       <GroupNumber>3</GroupNumber>
-      <FileNumber>13</FileNumber>
+      <FileNumber>12</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -438,7 +426,7 @@
     </File>
     <File>
       <GroupNumber>3</GroupNumber>
-      <FileNumber>14</FileNumber>
+      <FileNumber>13</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -458,7 +446,7 @@
     <RteFlg>0</RteFlg>
     <File>
       <GroupNumber>4</GroupNumber>
-      <FileNumber>15</FileNumber>
+      <FileNumber>14</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -470,7 +458,7 @@
     </File>
     <File>
       <GroupNumber>4</GroupNumber>
-      <FileNumber>16</FileNumber>
+      <FileNumber>15</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -482,7 +470,7 @@
     </File>
     <File>
       <GroupNumber>4</GroupNumber>
-      <FileNumber>17</FileNumber>
+      <FileNumber>16</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -494,7 +482,7 @@
     </File>
     <File>
       <GroupNumber>4</GroupNumber>
-      <FileNumber>18</FileNumber>
+      <FileNumber>17</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -506,7 +494,7 @@
     </File>
     <File>
       <GroupNumber>4</GroupNumber>
-      <FileNumber>19</FileNumber>
+      <FileNumber>18</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -518,7 +506,7 @@
     </File>
     <File>
       <GroupNumber>4</GroupNumber>
-      <FileNumber>20</FileNumber>
+      <FileNumber>19</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -530,7 +518,7 @@
     </File>
     <File>
       <GroupNumber>4</GroupNumber>
-      <FileNumber>21</FileNumber>
+      <FileNumber>20</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -542,7 +530,7 @@
     </File>
     <File>
       <GroupNumber>4</GroupNumber>
-      <FileNumber>22</FileNumber>
+      <FileNumber>21</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -554,7 +542,7 @@
     </File>
     <File>
       <GroupNumber>4</GroupNumber>
-      <FileNumber>23</FileNumber>
+      <FileNumber>22</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -574,7 +562,7 @@
     <RteFlg>0</RteFlg>
     <File>
       <GroupNumber>5</GroupNumber>
-      <FileNumber>24</FileNumber>
+      <FileNumber>23</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -586,7 +574,7 @@
     </File>
     <File>
       <GroupNumber>5</GroupNumber>
-      <FileNumber>25</FileNumber>
+      <FileNumber>24</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -598,7 +586,7 @@
     </File>
     <File>
       <GroupNumber>5</GroupNumber>
-      <FileNumber>26</FileNumber>
+      <FileNumber>25</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -610,7 +598,7 @@
     </File>
     <File>
       <GroupNumber>5</GroupNumber>
-      <FileNumber>27</FileNumber>
+      <FileNumber>26</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -622,7 +610,7 @@
     </File>
     <File>
       <GroupNumber>5</GroupNumber>
-      <FileNumber>28</FileNumber>
+      <FileNumber>27</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -634,7 +622,7 @@
     </File>
     <File>
       <GroupNumber>5</GroupNumber>
-      <FileNumber>29</FileNumber>
+      <FileNumber>28</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -646,7 +634,7 @@
     </File>
     <File>
       <GroupNumber>5</GroupNumber>
-      <FileNumber>30</FileNumber>
+      <FileNumber>29</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
@@ -658,7 +646,7 @@
     </File>
     <File>
       <GroupNumber>5</GroupNumber>
-      <FileNumber>31</FileNumber>
+      <FileNumber>30</FileNumber>
       <FileType>1</FileType>
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
diff --git a/demo/es32/usb_host/ES32F369x/MDK-ARM/example.uvprojx b/demo/es32/usb_host/ES32F369x/MDK-ARM/example.uvprojx
index 66e15565..a27aadde 100644
--- a/demo/es32/usb_host/ES32F369x/MDK-ARM/example.uvprojx
+++ b/demo/es32/usb_host/ES32F369x/MDK-ARM/example.uvprojx
@@ -338,7 +338,7 @@
             <v6Rtti>0</v6Rtti>
             <VariousControls>
               <MiscControls></MiscControls>
-              <Define>USE_ASSERT,ES32F36xx,</Define>
+              <Define>ES32F36xx,</Define>
               <Undefine></Undefine>
               <IncludePath>..\..\..\Drivers\CMSIS\Include;..\..\..\Drivers\CMSIS\Device\EastSoft\ES32F36xx\Include;..\..\..\Drivers\ALD\ES32F36xx\Include;..\Inc;..\..\..\..\..\common;..\..\..\..\..\core;..\..\..\..\..\class\cdc;..\..\..\..\..\class\hid;..\..\..\..\..\class\msc;..\..\..\..\..\class\hub;..\..\..\..\..\class\wireless;..\..\..\..\..\osal;..\..\..\..\..\third_party\FreeRTOS-10.4\include;..\..\..\..\..\third_party\FreeRTOS-10.4\portable\GCC\ARM_CM3</IncludePath>
             </VariousControls>
@@ -434,11 +434,6 @@
               <FileType>1</FileType>
               <FilePath>..\..\..\Drivers\ALD\ES32F36xx\Source\ald_uart.c</FilePath>
             </File>
-            <File>
-              <FileName>ald_usb.c</FileName>
-              <FileType>1</FileType>
-              <FilePath>..\..\..\Drivers\ALD\ES32F36xx\Source\ald_usb.c</FilePath>
-            </File>
             <File>
               <FileName>utils.c</FileName>
               <FileType>1</FileType>