diff --git a/app/(tabs)/sync.tsx b/app/(tabs)/sync.tsx
index 9e67eb3..96da4fa 100644
--- a/app/(tabs)/sync.tsx
+++ b/app/(tabs)/sync.tsx
@@ -853,31 +853,43 @@ const SelectionBar = memo(
 
 const FABButtons = memo(({ onGenAgain, handleSync }: { onGenAgain: () => void; handleSync: () => void }) => {
   const insets = useSafeAreaInsets()
+  const buttonHeight = 56
+  const skewOffset = 8 // 统一所有平行四边形的倾斜角度
+  const padding = 2
+
+    // 计算按钮宽度：父容器宽度（screenWidth - 32）减去间距（12px）后平分
+  const buttonWidth = useMemo(() => (screenWidth - 16 * 2 - 12) / 2, [])
   return (
     <Block className="absolute inset-x-[16px] bottom-[96px] z-40" style={{ paddingBottom: insets.bottom }}>
       <Block className="w-full flex-row gap-[12px]">
-        <Block className="flex-1 -skew-x-6 shadow-large-black">
-          <Block
-            className={cn`relative h-[56px] items-center justify-center overflow-hidden border-[2px] border-black bg-[#e61e25] shadow-large-accent`}
-            onClick={onGenAgain}
-          >
-            <Block className="z-10 skew-x-6 flex-row items-center gap-[8px]">
-              <MaterialCommunityIcons color="white" name="star-four-points" size={20} />
-              <Text className="font-[bol]d text-[16px] text-white">再次生成</Text>
-            </Block>
-          </Block>
+      <Block className="flex-1 relative" style={{ height: buttonHeight }} onClick={onGenAgain}>
+            <ParallelogramShape
+              width={buttonWidth}
+              height={buttonHeight}
+              fillColor="#FFFFFF"
+              padding={padding}
+              skewOffset={skewOffset}
+            >
+              <Block className="absolute inset-0 z-10 flex-row items-center justify-center gap-[8px]">
+                <MaterialCommunityIcons color="black" name="star-four-points" size={20} />
+                <Text className="font-bold text-[16px] text-black">再次生成</Text>
+              </Block>
+            </ParallelogramShape>
         </Block>
 
-        <Block className="flex-1 -skew-x-6 shadow-large-accent">
-          <Block
-            className={cn`relative h-[56px] items-center justify-center overflow-hidden border-[2px] border-black bg-black`}
-            onClick={handleSync}
-          >
-            <Block className="z-10 flex-row items-center gap-[8px]">
-              <Ionicons color={'white'} name="refresh" size={20} />
-              <Text className={cn`font-[bol]d bg-black text-[16px] text-white`}>同步</Text>
-            </Block>
-          </Block>
+        <Block className="flex-1 relative" style={{ height: buttonHeight }} onClick={handleSync}>
+            <ParallelogramShape
+              width={buttonWidth}
+              height={buttonHeight}
+              fillColor="#FFE500"
+              padding={padding}
+              skewOffset={skewOffset}
+            >
+              <Block className="absolute inset-0 z-10 flex-row items-center justify-center gap-[8px]">
+                <Ionicons color="black" name="refresh" size={20} />
+                <Text className="font-bold text-[16px] text-black">同步</Text>
+              </Block>
+            </ParallelogramShape>
         </Block>
       </Block>
     </Block>