diff --git a/frameworks/libhilog/socket/include/hilog_input_socket_server.h b/frameworks/libhilog/socket/include/hilog_input_socket_server.h
index c410e7c8e42facece9a9f8d21dda684de4d88986..cf9575b6dc8f81626479ab9aa2706a9eb2ef9c86 100644
--- a/frameworks/libhilog/socket/include/hilog_input_socket_server.h
+++ b/frameworks/libhilog/socket/include/hilog_input_socket_server.h
@@ -23,7 +23,7 @@
 
 namespace OHOS {
 namespace HiviewDFX {
-#define MAX_SOCKET_PACKET_LEN 4096
+#define MAX_SOCKET_PACKET_LEN 5120
 
 class HilogInputSocketServer : public DgramSocketServer {
 public:
diff --git a/services/hilogd/etc/hilogd.cfg b/services/hilogd/etc/hilogd.cfg
index e3079d7d9c52109e029008d5a800a26f5368091a..65d512644ada9ad975f23b6aa3b11a4004eaece9 100644
--- a/services/hilogd/etc/hilogd.cfg
+++ b/services/hilogd/etc/hilogd.cfg
@@ -9,7 +9,7 @@
         }, {
             "name" : "services:hilogd",
             "cmds" : [
-                "write /proc/sys/net/unix/max_dgram_qlen 600"
+                "write /proc/sys/net/unix/max_dgram_qlen 6000"
             ]
         }
     ],
diff --git a/services/hilogd/log_persister.cpp b/services/hilogd/log_persister.cpp
index 43e4b6bd59bda2bc9cd4a85fa9721da9e5388048..f44aa7dde5a54da69147b84afd278450572eade3 100644
--- a/services/hilogd/log_persister.cpp
+++ b/services/hilogd/log_persister.cpp
@@ -176,7 +176,7 @@ int LogPersister::Deinit()
 
     Stop();
 
-    munmap(m_mappedPlainLogFile, MAX_PERSISTER_BUFFER_SIZE);
+    munmap(m_mappedPlainLogFile, sizeof(LogPersisterBuffer));
     std::cout << "Removing unmapped plain log file: " << m_plainLogFilePath << "\n";
     if (remove(m_plainLogFilePath.c_str())) {
         std::cerr << "File: " << m_plainLogFilePath << " can't be removed. ";