diff --git a/src/gausskernel/process/postmaster/pgaudit.cpp b/src/gausskernel/process/postmaster/pgaudit.cpp
index b78089c6d..e8938cd49 100755
--- a/src/gausskernel/process/postmaster/pgaudit.cpp
+++ b/src/gausskernel/process/postmaster/pgaudit.cpp
@@ -595,6 +595,14 @@ static void sig_thread_config_handler(int &currentAuditRotationAge, int &current
     }
 }
 
+static void pgaudit_exit_clean(int code, Datum arg)
+{
+    if (t_thrd.audit.cur_thread_idx == 0) {
+        m_curlUtils.~CurlUtils();
+    }
+}
+
+
 /* audit sha code version: finished upgrade*/
 static bool pgaudit_need_sha_code()
 {
@@ -728,6 +736,7 @@ NON_EXEC_STATIC void PgAuditorMain()
     /* audit master thread */
     if (t_thrd.audit.cur_thread_idx == 0) {
         m_curlUtils.initialize(false, "", "", "");
+        on_proc_exit(pgaudit_exit_clean, 0);
         elasic_search_connection_test();
         audit_process_cxt_init();
     } else {
@@ -886,7 +895,6 @@ NON_EXEC_STATIC void PgAuditorMain()
     }
 
     if (t_thrd.audit.cur_thread_idx == 0) {
-        m_curlUtils.~CurlUtils();
         audit_process_cxt_exit();
     }
 
diff --git a/src/gausskernel/security/gs_policy/curl_utils.cpp b/src/gausskernel/security/gs_policy/curl_utils.cpp
index 5720f85e8..ddac5ef69 100644
--- a/src/gausskernel/security/gs_policy/curl_utils.cpp
+++ b/src/gausskernel/security/gs_policy/curl_utils.cpp
@@ -50,6 +50,7 @@ CurlUtils::CurlUtils() : m_withSSL(false),
 CurlUtils::~CurlUtils()
 {
     curl_easy_cleanup(m_curlForPost);
+    m_curlForPost = NULL;
 }
 
 void CurlUtils::initialize(bool withSSL, const std::string certificate, const std::string user,
@@ -91,7 +92,7 @@ bool CurlUtils::http_post_file_request(const std::string url, const std::string
         (void)curl_easy_setopt(m_curlForPost, CURLOPT_CUSTOMREQUEST, "POST");
         (void)curl_easy_setopt(m_curlForPost, CURLOPT_TCP_KEEPALIVE, 1L);
 
-        /* a simply connection test to server, just verify the connection without any data transfer */
+        /* a simple connection test to server, just verify the connection without any data transfer */
         if (connection_testing) {
             (void)curl_easy_setopt(m_curlForPost, CURLOPT_CONNECT_ONLY, 1L);
         }
@@ -111,7 +112,7 @@ bool CurlUtils::http_post_file_request(const std::string url, const std::string
 
             curl_slist_free_all(slist1);
             curl_easy_reset(m_curlForPost);
-            ereport(WARNING, (errmsg("Connection issue happended, post file error: %s\n", curl_easy_strerror(res))));
+            ereport(WARNING, (errmsg("Connection issue happened, post file error: %s\n", curl_easy_strerror(res))));
             return false;
         }
         curl_slist_free_all(slist1);