diff --git a/app/MDK-ARM/app.uvguix.29643 b/app/MDK-ARM/app.uvguix.29643
index 21c153c..cd083f4 100644
--- a/app/MDK-ARM/app.uvguix.29643
+++ b/app/MDK-ARM/app.uvguix.29643
@@ -110,8 +110,8 @@
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       </MDITabState>
     </MDIClientArea>
     <ViewEx>
@@ -1862,7 +1862,7 @@
     <ActiveMDIGroup>0</ActiveMDIGroup>
     <MDIGroup>
       <Size>100</Size>
-      <ActiveTab>8</ActiveTab>
+      <ActiveTab>12</ActiveTab>
       <Doc>
         <Name>..\..\src\usermain.c</Name>
         <ColumnNumber>3</ColumnNumber>
@@ -1971,6 +1971,15 @@
         <ContractedFolders></ContractedFolders>
         <PaneID>0</PaneID>
       </Doc>
+      <Doc>
+        <Name>..\..\iflytop_microcontroller\sdk\stm32\pwm.c</Name>
+        <ColumnNumber>0</ColumnNumber>
+        <TopLine>62</TopLine>
+        <CurrentLine>89</CurrentLine>
+        <Folding>1</Folding>
+        <ContractedFolders></ContractedFolders>
+        <PaneID>0</PaneID>
+      </Doc>
     </MDIGroup>
   </MDIGroups>
 
diff --git a/src/zthread.c b/src/zthread.c
index 68b2a51..8f33a43 100644
--- a/src/zthread.c
+++ b/src/zthread.c
@@ -6,7 +6,7 @@
 
 #define TAG "zthread"
 
-extern __asm uint32_t vPortGetIPSR(void);
+extern uint32_t vPortGetIPSR(void);
 
 static __inline bool IS_IRQ(void) 
 {