diff --git a/services/ptable_parse/composite_ptable.cpp b/services/ptable_parse/composite_ptable.cpp
index f76a1fa96b294a85431991f1cf90e1227d1b5ca0..9f2fd373125e86ada7266256e82b202ea8b4fbe2 100644
--- a/services/ptable_parse/composite_ptable.cpp
+++ b/services/ptable_parse/composite_ptable.cpp
@@ -125,4 +125,16 @@ void CompositePtable::AppendChildPtnInfo(const std::vector<PtnInfo> &ptnInfo)
 {
     partitionInfo_.insert(partitionInfo_.end(), ptnInfo.begin(), ptnInfo.end());
 }
+
+void CompositePtable::ClearPartitionInfo()
+{
+    std::vector<PtnInfo>().swap(partitionInfo_);
+    for (const auto &iter : childs_) {
+        if (iter == nullptr) {
+            LOG(ERROR) << "invalid iter ptable";
+            return;
+        }
+        iter->ClearPartitionInfo();
+    }
+}
 }
diff --git a/services/ptable_parse/composite_ptable.h b/services/ptable_parse/composite_ptable.h
index 3e1d420c16a9121d71a0c22a606aecc7c35c8f52..b29970dd3fc541191366a4c43902c52f833ef0ab 100644
--- a/services/ptable_parse/composite_ptable.h
+++ b/services/ptable_parse/composite_ptable.h
@@ -31,6 +31,7 @@ public:
     bool EditPartitionBuf(uint8_t *imageBuf, uint64_t imgBufSize, std::vector<PtnInfo> &modifyList) override;
     bool GetPtableImageBuffer(uint8_t *imageBuf, const uint32_t imgBufSize) override;
     void AddChildPtable(std::unique_ptr<Ptable> child) override;
+    void ClearPartitionInfo() override;
 
 private:
     bool CheckBuff(const uint8_t *buf, const uint64_t size)
diff --git a/services/ptable_parse/ptable.cpp b/services/ptable_parse/ptable.cpp
index d2a062f474927cb50386291a4877d6b293428292..53c4920f88b66a4ef87d8d45d9d345f90b37840e 100644
--- a/services/ptable_parse/ptable.cpp
+++ b/services/ptable_parse/ptable.cpp
@@ -88,6 +88,11 @@ std::vector<Ptable::PtnInfo>& Ptable::GetPtablePartitionInfoInstance()
     return partitionInfo_;
 }
 
+void Ptable::ClearPartitionInfo()
+{
+    partitionInfo_.clear();
+}
+
 bool Ptable::InitPtable()
 {
     if (!partitionInfo_.empty()) {
diff --git a/services/ptable_parse/ptable.h b/services/ptable_parse/ptable.h
index f88c5e8601f4421228d62a5b3054de86bda85207..12530a4f8c8d98d012ab2c670a4523c54cdad0cf 100644
--- a/services/ptable_parse/ptable.h
+++ b/services/ptable_parse/ptable.h
@@ -96,6 +96,7 @@ public:
     virtual bool SyncABLunPtableDevice(const int sourceSlot);
     virtual bool GetABLunPartitionInfo(const int sourceSlot, std::string &srcNode,
         std::string &tgtNode, uint32_t &offset);
+    virtual void ClearPartitionInfo();
 
     int GetEndPtnIndex()
     {