diff --git a/frameworks/libhilog/ioctl/log_ioctl.cpp b/frameworks/libhilog/ioctl/log_ioctl.cpp
index 6f93bef85b9da8acff0a56f59404622ff02369d7..9994597ce0010e176a66b88c17b43a63cfc97d65 100644
--- a/frameworks/libhilog/ioctl/log_ioctl.cpp
+++ b/frameworks/libhilog/ioctl/log_ioctl.cpp
@@ -76,16 +76,20 @@ int LogIoctl::ReceiveProcTagStats(StatsQueryRsp &rsp)
     for (i = 0; i < rsp.procNum; i++) {
         ProcStatsRsp &pStats = rsp.pStats[i];
         int msgSize = pStats.tagNum * sizeof(TagStatsRsp);
-        char* tmp = nullptr;
-        auto allocRet = TryToAllocateBySize(tmp, msgSize);
-        if (allocRet == AllocateRet::INVALID_CAPACITY_SIZE) {
+        if (msgSize == 0) {
             pStats.tStats = nullptr;
             continue;
         }
-        if (allocRet != AllocateRet::SUCCEED) {
+        char* tmp = new (std::nothrow) char[msgSize];
+        if (tmp == nullptr) {
             pStats.tStats = nullptr;
             return RET_FAIL;
         }
+        if (memset_s(tmp, msgSize, 0, msgSize) != 0) {
+            delete []tmp;
+            tmp = nullptr;
+            return RET_FAIL;
+        }
         if (GetRsp(tmp, msgSize) != RET_SUCCESS) {
             pStats.tStats = nullptr;
             delete []tmp;
@@ -103,16 +107,19 @@ int LogIoctl::ReceiveProcLogTypeStats(StatsQueryRsp &rsp)
     for (i = 0; i < rsp.procNum; i++) {
         ProcStatsRsp &pStats = rsp.pStats[i];
         int msgSize = pStats.typeNum * sizeof(LogTypeStatsRsp);
-        char* tmp = nullptr;
-        auto allocRet = TryToAllocateBySize(tmp, msgSize);
-        if (allocRet == AllocateRet::INVALID_CAPACITY_SIZE) {
-            pStats.lStats = nullptr;
+        if (msgSize == 0) {
             continue;
         }
-        if (allocRet != AllocateRet::SUCCEED) {
+        char* tmp = new (std::nothrow) char[msgSize];
+        if (tmp == nullptr) {
             pStats.lStats = nullptr;
             return RET_FAIL;
         }
+        if (memset_s(tmp, msgSize, 0, msgSize) != 0) {
+            delete []tmp;
+            tmp = nullptr;
+            return RET_FAIL;
+        }
         if (GetRsp(tmp, msgSize) != RET_SUCCESS) {
             pStats.lStats = nullptr;
             delete []tmp;
@@ -130,16 +137,19 @@ int LogIoctl::ReceiveProcStats(StatsQueryRsp &rsp)
         return RET_FAIL;
     }
     int msgSize = rsp.procNum * sizeof(ProcStatsRsp);
-    char* tmp = nullptr;
-    auto allocRet = TryToAllocateBySize(tmp, msgSize);
-    if (allocRet == AllocateRet::INVALID_CAPACITY_SIZE) {
-        rsp.pStats = nullptr;
+    if (msgSize == 0) {
         return RET_SUCCESS;
     }
-    if (allocRet != AllocateRet::SUCCEED) {
+    char* tmp = new (std::nothrow) char[msgSize];
+    if (tmp == nullptr) {
         rsp.pStats = nullptr;
         return RET_FAIL;
     }
+    if (memset_s(tmp, msgSize, 0, msgSize) != 0) {
+        delete []tmp;
+        tmp = nullptr;
+        return RET_FAIL;
+    }
     if (GetRsp(tmp, msgSize) != RET_SUCCESS) {
         rsp.pStats = nullptr;
         delete []tmp;
@@ -159,16 +169,20 @@ int LogIoctl::ReceiveDomainTagStats(StatsQueryRsp &rsp)
         for (j = 0; j < ldStats.domainNum; j++) {
             DomainStatsRsp &dStats = ldStats.dStats[j];
             int msgSize = dStats.tagNum * sizeof(TagStatsRsp);
-            char* tmp = nullptr;
-            auto allocRet = TryToAllocateBySize(tmp, msgSize);
-            if (allocRet == AllocateRet::INVALID_CAPACITY_SIZE) {
+            if (msgSize == 0) {
                 dStats.tStats = nullptr;
                 continue;
             }
-            if (allocRet != AllocateRet::SUCCEED) {
+            char* tmp = new (std::nothrow) char[msgSize];
+            if (tmp == nullptr) {
                 dStats.tStats = nullptr;
                 return RET_FAIL;
             }
+            if (memset_s(tmp, msgSize, 0, msgSize) != 0) {
+                delete []tmp;
+                tmp = nullptr;
+                return RET_FAIL;
+            }
             if (GetRsp(tmp, msgSize) != RET_SUCCESS) {
                 dStats.tStats = nullptr;
                 delete []tmp;
@@ -187,16 +201,19 @@ int LogIoctl::ReceiveDomainStats(StatsQueryRsp &rsp)
     for (i = 0; i < rsp.typeNum; i++) {
         LogTypeDomainStatsRsp &ldStats = rsp.ldStats[i];
         int msgSize = ldStats.domainNum * sizeof(DomainStatsRsp);
-        char* tmp = nullptr;
-        auto allocRet = TryToAllocateBySize(tmp, msgSize);
-        if (allocRet == AllocateRet::INVALID_CAPACITY_SIZE) {
-            ldStats.dStats = nullptr;
+        if (msgSize == 0) {
             continue;
         }
-        if (allocRet != AllocateRet::SUCCEED) {
+        char* tmp = new (std::nothrow) char[msgSize];
+        if (tmp == nullptr) {
             ldStats.dStats = nullptr;
             return RET_FAIL;
         }
+        if (memset_s(tmp, msgSize, 0, msgSize) != 0) {
+            delete []tmp;
+            tmp = nullptr;
+            return RET_FAIL;
+        }
         if (GetRsp(tmp, msgSize) != RET_SUCCESS) {
             ldStats.dStats = nullptr;
             delete []tmp;
@@ -214,16 +231,19 @@ int LogIoctl::ReceiveLogTypeDomainStats(StatsQueryRsp &rsp)
         return RET_FAIL;
     }
     int msgSize = rsp.typeNum * sizeof(LogTypeDomainStatsRsp);
-    char* tmp = nullptr;
-    auto allocRet = TryToAllocateBySize(tmp, msgSize);
-    if (allocRet == AllocateRet::INVALID_CAPACITY_SIZE) {
-        rsp.ldStats = nullptr;
+    if (msgSize == 0) {
         return RET_SUCCESS;
     }
-    if (allocRet != AllocateRet::SUCCEED) {
+    char* tmp = new (std::nothrow) char[msgSize];
+    if (tmp == nullptr) {
         rsp.ldStats = nullptr;
         return RET_FAIL;
     }
+    if (memset_s(tmp, msgSize, 0, msgSize) != 0) {
+        delete []tmp;
+        tmp = nullptr;
+        return RET_FAIL;
+    }
     if (GetRsp(tmp, msgSize) != RET_SUCCESS) {
         rsp.ldStats = nullptr;
         delete []tmp;
diff --git a/frameworks/libhilog/utils/include/log_utils.h b/frameworks/libhilog/utils/include/log_utils.h
index 3cedf060cdcbf513fed969acf85b3fa13b5296c3..e46e0e066ca02c195db67c7e30cff88f9dc2dd0d 100644
--- a/frameworks/libhilog/utils/include/log_utils.h
+++ b/frameworks/libhilog/utils/include/log_utils.h
@@ -103,14 +103,6 @@ std::string GetProgName();
 std::string GetNameByPid(uint32_t pid);
 uint64_t GenerateHash(const char *p, size_t size);
 void PrintErrorno(int err);
-
-enum AllocateRet {
-    SUCCEED,
-    INVALID_CAPACITY_SIZE,
-    ARRAY_INIT_FAILED,
-    MEMSET_S_FAILD
-};
-AllocateRet TryToAllocateBySize(char* tmp, int size);
 } // namespace HiviewDFX
 } // namespace OHOS
 #endif // LOG_UTILS_H
\ No newline at end of file
diff --git a/frameworks/libhilog/utils/log_utils.cpp b/frameworks/libhilog/utils/log_utils.cpp
index 4790493591df1f8749d237118f06fa2a77e99d91..e54f19f1b5690e7d81062dab8a12820a82601aa7 100644
--- a/frameworks/libhilog/utils/log_utils.cpp
+++ b/frameworks/libhilog/utils/log_utils.cpp
@@ -445,22 +445,5 @@ void PrintErrorno(int err)
 #endif
     std::cerr << "Errno: " << err << ", " << buf << std::endl;
 }
-
-AllocateRet TryToAllocateBySize(char* tmp, int size)
-{
-    if (size <= 0) {
-        return AllocateRet::INVALID_CAPACITY_SIZE;
-    }
-    tmp = new (std::nothrow) char[size];
-    if (tmp == nullptr) {
-        return AllocateRet::ARRAY_INIT_FAILED;
-    }
-    if (memset_s(tmp, size, 0, size) != 0) {
-        delete[] tmp;
-        tmp = nullptr;
-        return AllocateRet::MEMSET_S_FAILD;
-    }
-    return AllocateRet::SUCCEED;
-}
 } // namespace HiviewDFX
 } // namespace OHOS
diff --git a/services/hilogd/service_controller.cpp b/services/hilogd/service_controller.cpp
index 685753bd11db65bda1a0b94ec797499ad3f2019c..bd98f4e7f79004e00dd0c5f2667dcf3deb8be86c 100644
--- a/services/hilogd/service_controller.cpp
+++ b/services/hilogd/service_controller.cpp
@@ -200,8 +200,16 @@ void ServiceController::SendLogTypeDomainStats(const LogStats& stats)
         typeNum++;
     }
     int msgSize = typeNum * sizeof(LogTypeDomainStatsRsp);
-    char* tmp = nullptr;
-    if (TryToAllocateBySize(tmp, msgSize) != AllocateRet::SUCCEED) {
+    if (msgSize == 0) {
+        return;
+    }
+    char* tmp = new (std::nothrow) char[msgSize];
+    if (tmp == nullptr) {
+        return;
+    }
+    if (memset_s(tmp, msgSize, 0, msgSize) != 0) {
+        delete []tmp;
+        tmp = nullptr;
         return;
     }
     LogTypeDomainStatsRsp *ldStats = reinterpret_cast<LogTypeDomainStatsRsp *>(tmp);
@@ -229,8 +237,13 @@ void ServiceController::SendDomainStats(const LogStats& stats)
             continue;
         }
         int msgSize = dt.size() * sizeof(DomainStatsRsp);
-        char* tmp = nullptr;
-        if (TryToAllocateBySize(tmp, msgSize) != AllocateRet::SUCCEED) {
+        char *tmp = new (std::nothrow) char[msgSize];
+        if (tmp == nullptr) {
+            return;
+        }
+        if (memset_s(tmp, msgSize, 0, msgSize) != 0) {
+            delete []tmp;
+            tmp = nullptr;
             return;
         }
         DomainStatsRsp *dStats = reinterpret_cast<DomainStatsRsp *>(tmp);
@@ -271,8 +284,16 @@ void ServiceController::SendProcStats(const LogStats& stats)
 {
     const PidTable& pTable = stats.GetPidTable();
     int msgSize =  pTable.size() * sizeof(ProcStatsRsp);
-    char* tmp = nullptr;
-    if (TryToAllocateBySize(tmp, msgSize) != AllocateRet::SUCCEED) {
+    if (msgSize == 0) {
+        return;
+    }
+    char* tmp = new (std::nothrow) char[msgSize];
+    if (tmp == nullptr) {
+        return;
+    }
+    if (memset_s(tmp, msgSize, 0, msgSize) != 0) {
+        delete []tmp;
+        tmp = nullptr;
         return;
     }
     ProcStatsRsp *pStats = reinterpret_cast<ProcStatsRsp *>(tmp);
@@ -318,8 +339,16 @@ void ServiceController::SendProcLogTypeStats(const LogStats& stats)
             typeNum++;
         }
         int msgSize =  typeNum * sizeof(LogTypeStatsRsp);
-        char* tmp = nullptr;
-        if (TryToAllocateBySize(tmp, msgSize) != AllocateRet::SUCCEED) {
+        if (msgSize == 0) {
+            return;
+        }
+        char* tmp = new (std::nothrow) char[msgSize];
+        if (tmp == nullptr) {
+            return;
+        }
+        if (memset_s(tmp, msgSize, 0, msgSize) != 0) {
+            delete []tmp;
+            tmp = nullptr;
             return;
         }
         LogTypeStatsRsp *lStats = reinterpret_cast<LogTypeStatsRsp *>(tmp);
@@ -352,8 +381,16 @@ void ServiceController::SendProcTagStats(const LogStats& stats)
 void ServiceController::SendTagStats(const TagTable &tagTable)
 {
     int msgSize =  tagTable.size() * sizeof(TagStatsRsp);
-    char* tmp = nullptr;
-    if (TryToAllocateBySize(tmp, msgSize) != AllocateRet::SUCCEED) {
+    if (msgSize == 0) {
+        return;
+    }
+    char* tmp = new (std::nothrow) char[msgSize];
+    if (tmp == nullptr) {
+        return;
+    }
+    if (memset_s(tmp, msgSize, 0, msgSize) != 0) {
+        delete []tmp;
+        tmp = nullptr;
         return;
     }
     TagStatsRsp *tStats = reinterpret_cast<TagStatsRsp *>(tmp);