diff --git a/interface/innerkits/include/mem_mgr_window_info.h b/interface/innerkits/include/mem_mgr_window_info.h
index beee925..31fcaca 100644
--- a/interface/innerkits/include/mem_mgr_window_info.h
+++ b/interface/innerkits/include/mem_mgr_window_info.h
@@ -41,6 +41,17 @@ public:
      */
     MemMgrWindowInfo(uint32_t winId, int32_t pid, int32_t uid, bool visibility)
         : windowId_(winId), pid_(pid), uid_(uid), isVisible_(visibility) {};
+    /**
+     * @brief Construct of MemMgrWindowInfo.
+     *
+     * @param winId Window id.
+     * @param pid Process id.
+     * @param uid User id.
+     * @param visibility True means window is visible, false means the opposite.
+     * @param lastUsedPosition Window display position.
+     */
+    MemMgrWindowInfo(uint32_t winId, int32_t pid, int32_t uid, bool visibility, std::string lastUsedPosition)
+        : windowId_(winId), pid_(pid), uid_(uid), isVisible_(visibility), lastUsedPosition_(lastUsedPosition) {};
     /**
      * @brief Deconstruct of MemMgrWindowInfo.
      */
@@ -65,6 +76,7 @@ public:
     int32_t pid_ {0};
     int32_t uid_ {0};
     bool isVisible_ {false};
+    std::string lastUsedPosition_ {""};
 };
 } // namespace Memory
 } // namespace OHOS
diff --git a/interface/innerkits/src/mem_mgr_window_info.cpp b/interface/innerkits/src/mem_mgr_window_info.cpp
index a66105f..9d1d446 100644
--- a/interface/innerkits/src/mem_mgr_window_info.cpp
+++ b/interface/innerkits/src/mem_mgr_window_info.cpp
@@ -25,7 +25,8 @@ const std::string TAG = "MemMgrWindowInfo";
 bool MemMgrWindowInfo::Marshalling(Parcel &parcel) const
 {
     return parcel.WriteUint32(windowId_) && parcel.WriteInt32(pid_) &&
-           parcel.WriteInt32(uid_) && parcel.WriteBool(isVisible_);
+           parcel.WriteInt32(uid_) && parcel.WriteBool(isVisible_) &&
+           parcel.WriteString(lastUsedPosition_);
 }
 
 MemMgrWindowInfo* MemMgrWindowInfo::Unmarshalling(Parcel &parcel)
@@ -36,7 +37,8 @@ MemMgrWindowInfo* MemMgrWindowInfo::Unmarshalling(Parcel &parcel)
         return nullptr;
     }
     bool res = parcel.ReadUint32(memMgrWindowInfo->windowId_) && parcel.ReadInt32(memMgrWindowInfo->pid_) &&
-        parcel.ReadInt32(memMgrWindowInfo->uid_) && parcel.ReadBool(memMgrWindowInfo->isVisible_);
+        parcel.ReadInt32(memMgrWindowInfo->uid_) && parcel.ReadBool(memMgrWindowInfo->isVisible_) &&
+        parcel.ReadString(memMgrWindowInfo->lastUsedPosition_);
     if (!res) {
         delete memMgrWindowInfo;
         return nullptr;