diff --git a/kernel_liteos_a-OpenHarmony-v3.1.7-Release/kernel/base/core/los_bitmap.c b/kernel_liteos_a-OpenHarmony-v3.1.7-Release/kernel/base/core/los_bitmap.c
index 4e8b8600..1b30416b 100644
--- a/kernel_liteos_a-OpenHarmony-v3.1.7-Release/kernel/base/core/los_bitmap.c
+++ b/kernel_liteos_a-OpenHarmony-v3.1.7-Release/kernel/base/core/los_bitmap.c
@@ -38,6 +38,7 @@
 #define OS_BITMAP_WORD_MASK ~0UL
 
 /* find first zero bit starting from LSB */
+//这段代码的功能与位图操作有关，可能是用于设置、清除或检查位图中特定位置的状态或标志
 STATIC INLINE UINT16 Ffz(UINTPTR x)
 {
     return __builtin_ffsl(~x) - 1;
@@ -51,7 +52,7 @@ VOID LOS_BitmapSet(UINT32 *bitmap, UINT16 pos)
 
     *bitmap |= 1U << (pos & OS_BITMAP_MASK);
 }
-
+//这个函数用于清除位图中特定位置的位。
 VOID LOS_BitmapClr(UINT32 *bitmap, UINT16 pos)
 {
     if (bitmap == NULL) {
@@ -60,7 +61,7 @@ VOID LOS_BitmapClr(UINT32 *bitmap, UINT16 pos)
 
     *bitmap &= ~(1U << (pos & OS_BITMAP_MASK));
 }
-
+//这个函数用于获取位图中最高位的索引。
 UINT16 LOS_HighBitGet(UINT32 bitmap)
 {
     if (bitmap == 0) {
@@ -69,7 +70,7 @@ UINT16 LOS_HighBitGet(UINT32 bitmap)
 
     return (OS_BITMAP_MASK - CLZ(bitmap));
 }
-
+//这个函数用于获取位图中最低位的索引
 UINT16 LOS_LowBitGet(UINT32 bitmap)
 {
     if (bitmap == 0) {
@@ -78,7 +79,7 @@ UINT16 LOS_LowBitGet(UINT32 bitmap)
 
     return CTZ(bitmap);
 }
-
+//这个函数用于设置位图中一系列连续的位。
 VOID LOS_BitmapSetNBits(UINTPTR *bitmap, UINT32 start, UINT32 numsSet)
 {
     UINTPTR *p = bitmap + BITMAP_WORD(start);
@@ -98,7 +99,7 @@ VOID LOS_BitmapSetNBits(UINTPTR *bitmap, UINT32 start, UINT32 numsSet)
         *p |= maskToSet;
     }
 }
-
+//这个函数用于清除位图中一系列连续的位。
 VOID LOS_BitmapClrNBits(UINTPTR *bitmap, UINT32 start, UINT32 numsClear)
 {
     UINTPTR *p = bitmap + BITMAP_WORD(start);
@@ -118,7 +119,7 @@ VOID LOS_BitmapClrNBits(UINTPTR *bitmap, UINT32 start, UINT32 numsClear)
         *p &= ~maskToClear;
     }
 }
-
+//这个函数用于找到位图中第一个为1的位的位置。
 INT32 LOS_BitmapFfz(UINTPTR *bitmap, UINT32 numBits)
 {
     INT32 bit, i;