diff --git a/src/kernel_liteos_a/kernel/base/mem/common/los_memstat.c b/src/kernel_liteos_a/kernel/base/mem/common/los_memstat.c
index 91164b4c..161b9dd6 100644
--- a/src/kernel_liteos_a/kernel/base/mem/common/los_memstat.c
+++ b/src/kernel_liteos_a/kernel/base/mem/common/los_memstat.c
@@ -32,9 +32,9 @@
 #include "los_memstat_pri.h"
 #include "los_task_pri.h"
 
-
+ /// 记录每个任务对内存的使用情况
 LITE_OS_SEC_BSS_MINOR STATIC TskMemUsedInfo g_tskMemUsedInfo[LOSCFG_BASE_CORE_TSK_LIMIT];
-
+/// 计算指定任务对内存使用增加量
 LITE_OS_SEC_TEXT_MINOR VOID OsTaskMemUsedInc(UINT32 usedSize, UINT32 taskID)
 {
     if (taskID >= LOSCFG_BASE_CORE_TSK_LIMIT) {
@@ -43,9 +43,9 @@ LITE_OS_SEC_TEXT_MINOR VOID OsTaskMemUsedInc(UINT32 usedSize, UINT32 taskID)
     if (OS_INT_ACTIVE) {
         return;
     }
-    g_tskMemUsedInfo[taskID].memUsed += usedSize;
+    g_tskMemUsedInfo[taskID].memUsed += usedSize; ///< 叠加
 }
-
+/// 计算指定任务对内存使用减少量
 LITE_OS_SEC_TEXT_MINOR VOID OsTaskMemUsedDec(UINT32 usedSize, UINT32 taskID)
 {
     if (taskID >= LOSCFG_BASE_CORE_TSK_LIMIT) {
@@ -56,12 +56,12 @@ LITE_OS_SEC_TEXT_MINOR VOID OsTaskMemUsedDec(UINT32 usedSize, UINT32 taskID)
     }
     if (g_tskMemUsedInfo[taskID].memUsed < usedSize) {
         PRINT_WARN("mem used of current task '%s':0x%x, decrease size:0x%x\n",
-                   OsCurrTaskGet()->taskName, g_tskMemUsedInfo[taskID].memUsed, usedSize);
+            OsCurrTaskGet()->taskName, g_tskMemUsedInfo[taskID].memUsed, usedSize);
         return;
     }
-    g_tskMemUsedInfo[taskID].memUsed -= usedSize;
+    g_tskMemUsedInfo[taskID].memUsed -= usedSize; ///< 递减
 }
-
+/// 获取指定任务对内存的使用情况
 LITE_OS_SEC_TEXT_MINOR UINT32 OsTaskMemUsage(UINT32 taskID)
 {
     if (taskID >= LOSCFG_BASE_CORE_TSK_LIMIT) {
@@ -70,7 +70,7 @@ LITE_OS_SEC_TEXT_MINOR UINT32 OsTaskMemUsage(UINT32 taskID)
 
     return g_tskMemUsedInfo[taskID].memUsed;
 }
-
+/// 清空任务内存使用记录
 LITE_OS_SEC_TEXT_MINOR VOID OsTaskMemClear(UINT32 taskID)
 {
     if (taskID >= LOSCFG_BASE_CORE_TSK_LIMIT) {
@@ -78,12 +78,12 @@ LITE_OS_SEC_TEXT_MINOR VOID OsTaskMemClear(UINT32 taskID)
     }
     if (g_tskMemUsedInfo[taskID].memUsed != 0) {
         PRINT_WARN("mem used of task '%s' is:0x%x, not zero when task being deleted\n",
-                   OS_TCB_FROM_TID(taskID)->taskName, g_tskMemUsedInfo[taskID].memUsed);
+            OS_TCB_FROM_TID(taskID)->taskName, g_tskMemUsedInfo[taskID].memUsed);
     }
     g_tskMemUsedInfo[taskID].memUsed = 0;
 }
-
-#ifdef LOS_MEM_SLAB
+// Slab是一种内存分配器，通过将内存划分不同大小的空间分配给对象使用来进行缓存管理，应用于内核对象的缓存。
+#ifdef LOS_MEM_SLAB //
 
 LITE_OS_SEC_BSS_MINOR STATIC TskSlabUsedInfo g_tskSlabUsedInfo[LOSCFG_BASE_CORE_TSK_LIMIT];
 LITE_OS_SEC_TEXT_MINOR VOID OsTaskSlabUsedInc(UINT32 usedSize, UINT32 taskID)