diff --git a/services/include/updater/updater.h b/services/include/updater/updater.h
index 99e0a829e6f798998a2a75f8c9c67cc4f96edb16..cf5aa9087696225260f6d7245f9712fb6c4e24e3 100644
--- a/services/include/updater/updater.h
+++ b/services/include/updater/updater.h
@@ -60,6 +60,7 @@ struct UpdaterParams {
     PackageUpdateMode updateMode = HOTA_UPDATE;
     int retryCount = 0;
     int panicCount = 0;
+    pid_t binaryPid = -1;
     float initialProgress = 0; /* The upgrade starts at the progress bar location */
     float currentPercentage = 0; /* The proportion of progress bars occupied by the upgrade process */
     unsigned int pkgLocation = 0;
diff --git a/services/updater.cpp b/services/updater.cpp
index a5b2429e8eaa9c5a5bfe7274722cb735e9b282ea..b4083f65ffc1d9fe39ce3c2180300f16a35e19bd 100644
--- a/services/updater.cpp
+++ b/services/updater.cpp
@@ -515,10 +515,13 @@ UpdaterStatus HandlePipeMsg(UpdaterParams &upParams, int pipeRead, bool &retryUp
     return UPDATE_SUCCESS;
 }
 
-UpdaterStatus CheckProcStatus(pid_t pid, bool retryUpdate)
+UpdaterStatus CheckProcStatus(UpdaterParams &upParams, bool retryUpdate)
 {
     int status;
-    if (waitpid(pid, &status, 0) == -1) {
+    ON_SCOPE_EXIT(resetBinaryPid) {
+        upParams.binaryPid = -1;
+    };
+    if (waitpid(upParams.binaryPid, &status, 0) == -1) {
         LOG(ERROR) << "waitpid error";
         return UPDATE_ERROR;
     }
@@ -605,6 +608,7 @@ UpdaterStatus StartUpdaterProc(PkgManager::PkgManagerPtr pkgManager, UpdaterPara
     pid_t pid = fork();
     if (pid < 0) {
         ERROR_CODE(CODE_FORK_FAIL);
+        upParams.binaryPid = -1;
         UPDATER_LAST_WORD(UPDATE_ERROR, "fork failed");
         return UPDATE_ERROR;
     }
@@ -617,6 +621,7 @@ UpdaterStatus StartUpdaterProc(PkgManager::PkgManagerPtr pkgManager, UpdaterPara
         ExcuteSubProc(upParams, fullPath, pipeWrite);
     }
 
+    upParams.binaryPid = pid;
     close(pipeWrite); // close write endpoint
     bool retryUpdate = false;
     if (HandlePipeMsg(upParams, pipeRead, retryUpdate) != UPDATE_SUCCESS) {
@@ -624,7 +629,7 @@ UpdaterStatus StartUpdaterProc(PkgManager::PkgManagerPtr pkgManager, UpdaterPara
         return UPDATE_ERROR;
     }
 
-    return CheckProcStatus(pid, retryUpdate);
+    return CheckProcStatus(upParams, retryUpdate);
 }
 
 std::string GetWorkPath()
diff --git a/utils/include/utils.h b/utils/include/utils.h
index 11170ddac0cabf48a86ecee9f8685adddfa3366c..51c969ac42e6e9b1d394c80daeb5276762d2b754 100644
--- a/utils/include/utils.h
+++ b/utils/include/utils.h
@@ -71,6 +71,7 @@ std::string GetCertName();
 bool WriteFully(int fd, const uint8_t *data, size_t size);
 bool ReadFully(int fd, void* data, size_t size);
 bool ReadFileToString(int fd, std::string &content);
+bool ReadStringFromProcFile(const std::string &filePath, std::string &content);
 bool CopyFile(const std::string &src, const std::string &dest, bool isAppend = false);
 bool CopyDir(const std::string &srcPath, const std::string &dstPath);
 bool WriteStringToFile(int fd, const std::string& content);
diff --git a/utils/utils.cpp b/utils/utils.cpp
index 96341e9159b3d6635262b897e0c10d6a468f3656..15d4193551fe56360bff8061029d5718697268e0 100644
--- a/utils/utils.cpp
+++ b/utils/utils.cpp
@@ -51,6 +51,7 @@ constexpr int MAX_TIME_SIZE = 20;
 constexpr size_t PARAM_SIZE = 32;
 constexpr const char *PREFIX_PARTITION_NODE = "/dev/block/by-name/";
 constexpr mode_t DEFAULT_DIR_MODE = 0775;
+constexpr long MAX_FILE_LENGTH = 4096;
 
 namespace {
 void UpdateInfoInMisc(const std::string headInfo, const std::optional<int> message, bool isRemove)
@@ -342,6 +343,27 @@ bool ReadFileToString(int fd, std::string &content)
     return true;
 }
 
+bool ReadStringFromProcFile(const std::string &filePath, std::string &content)
+{
+    std::ifstream file(filePath.c_str());
+    if (!file.is_open()) {
+        LOG(ERROR) << "failed to open " << filePath <<  ", err: " << strerror(errno);
+        return false;
+    }
+ 
+    file.seekg(0, std::ios::end);
+    const long fileLength = file.tellg();
+    if (fileLength > MAX_FILE_LENGTH) {
+        LOG(ERROR) << "file oversize " << fileLength << ", max is " << MAX_FILE_LENGTH;
+        return false;
+    }
+ 
+    content.clear();
+    file.seekg(0, std::ios::beg);
+    std::copy(std::istreambuf_iterator<char>(file), std::istreambuf_iterator<char>(), std::back_inserter(content));
+    return true;
+}
+
 bool WriteStringToFile(int fd, const std::string& content)
 {
     const char *p = content.data();