diff --git a/src/daemon/modules/network/cni_operator/libcni/invoke/libcni_errno.c b/src/daemon/modules/network/cni_operator/libcni/invoke/libcni_errno.c
index 8b97fd6b22e3cc17a0584c23545555bad7603af5..efdcfbc7d2a6a3ce92a1fca5199f734433ce97e6 100644
--- a/src/daemon/modules/network/cni_operator/libcni/invoke/libcni_errno.c
+++ b/src/daemon/modules/network/cni_operator/libcni/invoke/libcni_errno.c
@@ -14,16 +14,7 @@
  **********************************************************************************/
 #define _GNU_SOURCE
 #include "libcni_errno.h"
-#include <stdio.h>
-#include <unistd.h>
-#include <errno.h>
 #include <string.h>
-#include <fcntl.h>
-#include <signal.h>
-#include <linux/limits.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <sys/wait.h>
 
 #include "isula_libutils/log.h"
 
@@ -41,8 +32,8 @@ const char * const g_INVOKE_ERR_MSGS[] = {
 
 const char *get_invoke_err_msg(int errcode)
 {
-    if (errcode <= INK_ERR_SUCCESS) {
-        return g_INVOKE_ERR_MSGS[errcode - (INK_ERR_MIN)];
+    if (errcode > (int)INK_ERR_MIN && errcode <= (int)INK_ERR_SUCCESS) {
+        return g_INVOKE_ERR_MSGS[errcode - (int)INK_ERR_MIN];
     }
     return strerror(errcode);
 }
@@ -81,12 +72,12 @@ const char * const g_CNI_CUSTOM_ERR_MSGS[] = {
 
 const char *get_cni_err_msg(unsigned int errcode)
 {
-    if (errcode < CNI_ERR_MAX) {
+    if (errcode < (unsigned int)CNI_ERR_MAX) {
         return g_CNI_WELL_KNOWN_ERR_MSGS[errcode];
     }
 
-    if (errcode > CUSTOM_ERR_MIN && errcode < CUSTOM_ERR_MAX) {
-        return g_CNI_CUSTOM_ERR_MSGS[errcode - CUSTOM_ERR_MIN];
+    if (errcode >= (unsigned int)CUSTOM_ERR_MIN && errcode < (unsigned int)CUSTOM_ERR_MAX) {
+        return g_CNI_CUSTOM_ERR_MSGS[errcode - (unsigned int)CUSTOM_ERR_MIN];
     }
 
     return UNDEFINE_ERR;
diff --git a/test/fuzz/CMakeLists.txt b/test/fuzz/CMakeLists.txt
index 555c3813ae8470751be0035a4c75e7895187e692..8561b495e51154d06d2a403157a79d07d6ad6cd5 100644
--- a/test/fuzz/CMakeLists.txt
+++ b/test/fuzz/CMakeLists.txt
@@ -1,6 +1,6 @@
 project(iSulad_UT)
 
-execute_process(COMMAND bash "-c" "find /usr -name *libclang_rt.fuzzer-${CMAKE_HOST_SYSTEM_PROCESSOR}*"
+execute_process(COMMAND bash "-c" "find /usr -name *libclang_rt.fuzzer-${CMAKE_HOST_SYSTEM_PROCESSOR}* | head -1"
     OUTPUT_VARIABLE LIB_FUZZING_ENGINE
     OUTPUT_STRIP_TRAILING_WHITESPACE)
 
@@ -69,33 +69,33 @@ add_executable(${EXE4}
     test_volume_parse_volume_fuzz.cc
     )
 add_executable(${EXE5}
-    ${CMAKE_CURRENT_SOURCE_DIR}/../../../src/utils/cutils/utils_string.c
-    ${CMAKE_CURRENT_SOURCE_DIR}/../../../src/utils/cutils/utils.c
-    ${CMAKE_CURRENT_SOURCE_DIR}/../../../src/utils/cutils/utils_array.c
-    ${CMAKE_CURRENT_SOURCE_DIR}/../../../src/utils/cutils/utils_file.c
-    ${CMAKE_CURRENT_SOURCE_DIR}/../../../src/utils/cutils/utils_convert.c
-    ${CMAKE_CURRENT_SOURCE_DIR}/../../../src/utils/cutils/utils_verify.c
-    ${CMAKE_CURRENT_SOURCE_DIR}/../../../src/utils/cutils/utils_regex.c
-    ${CMAKE_CURRENT_SOURCE_DIR}/../../../src/utils/cutils/utils_pwgr.c
-    ${CMAKE_CURRENT_SOURCE_DIR}/../../../src/utils/sha256/sha256.c
-    ${CMAKE_CURRENT_SOURCE_DIR}/../../../src/utils/cutils/map/map.c
-    ${CMAKE_CURRENT_SOURCE_DIR}/../../../src/utils/cutils/map/rb_tree.c
-    ${CMAKE_CURRENT_SOURCE_DIR}/../../../src/utils/cutils/path.c
+    ${CMAKE_CURRENT_SOURCE_DIR}/../../src/utils/cutils/utils_string.c
+    ${CMAKE_CURRENT_SOURCE_DIR}/../../src/utils/cutils/utils.c
+    ${CMAKE_CURRENT_SOURCE_DIR}/../../src/utils/cutils/utils_array.c
+    ${CMAKE_CURRENT_SOURCE_DIR}/../../src/utils/cutils/utils_file.c
+    ${CMAKE_CURRENT_SOURCE_DIR}/../../src/utils/cutils/utils_convert.c
+    ${CMAKE_CURRENT_SOURCE_DIR}/../../src/utils/cutils/utils_verify.c
+    ${CMAKE_CURRENT_SOURCE_DIR}/../../src/utils/cutils/utils_regex.c
+    ${CMAKE_CURRENT_SOURCE_DIR}/../../src/utils/cutils/utils_pwgr.c
+    ${CMAKE_CURRENT_SOURCE_DIR}/../../src/utils/sha256/sha256.c
+    ${CMAKE_CURRENT_SOURCE_DIR}/../../src/utils/cutils/map/map.c
+    ${CMAKE_CURRENT_SOURCE_DIR}/../../src/utils/cutils/map/rb_tree.c
+    ${CMAKE_CURRENT_SOURCE_DIR}/../../src/utils/cutils/path.c
     test_pw_obj_parser_fuzz.cc
     )
 add_executable(${EXE6}
-    ${CMAKE_CURRENT_SOURCE_DIR}/../../../src/utils/cutils/utils_string.c
-    ${CMAKE_CURRENT_SOURCE_DIR}/../../../src/utils/cutils/utils.c
-    ${CMAKE_CURRENT_SOURCE_DIR}/../../../src/utils/cutils/utils_array.c
-    ${CMAKE_CURRENT_SOURCE_DIR}/../../../src/utils/cutils/utils_file.c
-    ${CMAKE_CURRENT_SOURCE_DIR}/../../../src/utils/cutils/utils_convert.c
-    ${CMAKE_CURRENT_SOURCE_DIR}/../../../src/utils/cutils/utils_verify.c
-    ${CMAKE_CURRENT_SOURCE_DIR}/../../../src/utils/cutils/utils_regex.c
-    ${CMAKE_CURRENT_SOURCE_DIR}/../../../src/utils/cutils/utils_pwgr.c
-    ${CMAKE_CURRENT_SOURCE_DIR}/../../../src/utils/sha256/sha256.c
-    ${CMAKE_CURRENT_SOURCE_DIR}/../../../src/utils/cutils/map/map.c
-    ${CMAKE_CURRENT_SOURCE_DIR}/../../../src/utils/cutils/map/rb_tree.c
-    ${CMAKE_CURRENT_SOURCE_DIR}/../../../src/utils/cutils/path.c
+    ${CMAKE_CURRENT_SOURCE_DIR}/../../src/utils/cutils/utils_string.c
+    ${CMAKE_CURRENT_SOURCE_DIR}/../../src/utils/cutils/utils.c
+    ${CMAKE_CURRENT_SOURCE_DIR}/../../src/utils/cutils/utils_array.c
+    ${CMAKE_CURRENT_SOURCE_DIR}/../../src/utils/cutils/utils_file.c
+    ${CMAKE_CURRENT_SOURCE_DIR}/../../src/utils/cutils/utils_convert.c
+    ${CMAKE_CURRENT_SOURCE_DIR}/../../src/utils/cutils/utils_verify.c
+    ${CMAKE_CURRENT_SOURCE_DIR}/../../src/utils/cutils/utils_regex.c
+    ${CMAKE_CURRENT_SOURCE_DIR}/../../src/utils/cutils/utils_pwgr.c
+    ${CMAKE_CURRENT_SOURCE_DIR}/../../src/utils/sha256/sha256.c
+    ${CMAKE_CURRENT_SOURCE_DIR}/../../src/utils/cutils/map/map.c
+    ${CMAKE_CURRENT_SOURCE_DIR}/../../src/utils/cutils/map/rb_tree.c
+    ${CMAKE_CURRENT_SOURCE_DIR}/../../src/utils/cutils/path.c
     test_gr_obj_parser_fuzz.cc
     )
 
diff --git a/test/fuzz/test_gr_obj_parser_fuzz.cc b/test/fuzz/test_gr_obj_parser_fuzz.cc
index 01db0cf24ba72b38803b14123982ad58f5642d13..d43d153d23b6075d4b955693d6452fad95937938 100644
--- a/test/fuzz/test_gr_obj_parser_fuzz.cc
+++ b/test/fuzz/test_gr_obj_parser_fuzz.cc
@@ -1,5 +1,5 @@
 /******************************************************************************
- * Copyright (c) Huawei Technologies Co., Ltd. 2018-2019. All rights reserved.
+ * Copyright (c) Huawei Technologies Co., Ltd. 2022. All rights reserved.
  * iSulad licensed under the Mulan PSL v2.
  * You can use this software according to the terms and conditions of the Mulan PSL v2.
  * You may obtain a copy of Mulan PSL v2 at:
diff --git a/test/fuzz/test_pw_obj_parser_fuzz.cc b/test/fuzz/test_pw_obj_parser_fuzz.cc
index 3a2195c6b68e9a8fcca523649cbf2b9db68bb148..cf09f57672fd5fa1f5651f38878a095291d0f1c2 100644
--- a/test/fuzz/test_pw_obj_parser_fuzz.cc
+++ b/test/fuzz/test_pw_obj_parser_fuzz.cc
@@ -1,5 +1,5 @@
 /******************************************************************************
- * Copyright (c) Huawei Technologies Co., Ltd. 2018-2019. All rights reserved.
+ * Copyright (c) Huawei Technologies Co., Ltd. 2022. All rights reserved.
  * iSulad licensed under the Mulan PSL v2.
  * You can use this software according to the terms and conditions of the Mulan PSL v2.
  * You may obtain a copy of Mulan PSL v2 at:
diff --git a/test/mocks/oci_image_mock.cc b/test/mocks/oci_image_mock.cc
index 8e975e3bb89dfd2318a12643c7cc6e5f5e8a3266..c333c0dd4eb5dc5323803811166c66e4faa2155c 100644
--- a/test/mocks/oci_image_mock.cc
+++ b/test/mocks/oci_image_mock.cc
@@ -37,5 +37,5 @@ struct oci_image_module_data *get_oci_image_data(void)
     if (g_oci_image_mock != nullptr) {
         return g_oci_image_mock->GetOciImageData();
     }
-    return { 0 };
+    return nullptr;
 }