diff --git a/process/js_childprocess.cpp b/process/js_childprocess.cpp
index 808eabc..90de23d 100644
--- a/process/js_childprocess.cpp
+++ b/process/js_childprocess.cpp
@@ -85,7 +85,7 @@ namespace OHOS::Js_sys_module::Process {
             close(stdOutFd_[0]);
             dup2(stdOutFd_[1], 1);
             dup2(stdErrFd_[1], 2); // 2:The value of parameter
-            if (execl("/bin/sh", "sh", "-c", strCommnd.c_str(), NULL) == -1) {
+            if (execl("/bin/sh", "sh", "-c", strCommnd.c_str(), nullptr) == -1) {
                 HILOG_ERROR("execl command failed");
                 exit(127); // 127:The parameter value
             }
@@ -393,7 +393,7 @@ namespace OHOS::Js_sys_module::Process {
                 case 2: // 2:The parameter value
                     status = napi_get_value_int64(env_, property, &optionsInfo_->maxBuffer);
                     if (status != napi_ok) {
-                        optionsInfo_->maxBuffer = MAXSIZE * MAXSIZE;
+                        optionsInfo_->maxBuffer = static_cast<int64_t>(MAXSIZE) * static_cast<int64_t>(MAXSIZE);
                     }
                     break;
                 default:
diff --git a/process/native_module_process.cpp b/process/native_module_process.cpp
index 9eef170..977a867 100644
--- a/process/native_module_process.cpp
+++ b/process/native_module_process.cpp
@@ -13,12 +13,11 @@
  * limitations under the License.
  */
 
+#include <assert.h>
 #include <vector>
-
 #include <grp.h>
 #include <sys/types.h>
 #include <unistd.h>
-
 #include "js_childprocess.h"
 #include "js_process.h"
 #include "securec.h"
@@ -261,43 +260,43 @@ namespace OHOS::Js_sys_module::Process {
         return result;
     }
 
-    static napi_value GetUid(napi_env env, napi_callback_info info)
+    static napi_value GetUid(napi_env env, [[maybe_unused]] napi_callback_info info)
     {
         Process object(env);
         return object.GetUid();
     }
 
-    static napi_value GetGid(napi_env env, napi_callback_info info)
+    static napi_value GetGid(napi_env env, [[maybe_unused]] napi_callback_info info)
     {
         Process object(env);
         return object.GetGid();
     }
 
-    static napi_value GetEUid(napi_env env, napi_callback_info info)
+    static napi_value GetEUid(napi_env env, [[maybe_unused]] napi_callback_info info)
     {
         Process object(env);
         return object.GetEUid();
     }
 
-    static napi_value GetEGid(napi_env env, napi_callback_info info)
+    static napi_value GetEGid(napi_env env, [[maybe_unused]] napi_callback_info info)
     {
         Process object(env);
         return object.GetEGid();
     }
 
-    static napi_value GetGroups(napi_env env, napi_callback_info info)
+    static napi_value GetGroups(napi_env env, [[maybe_unused]] napi_callback_info info)
     {
         Process object(env);
         return object.GetGroups();
     }
 
-    static napi_value GetPid(napi_env env, napi_callback_info info)
+    static napi_value GetPid(napi_env env, [[maybe_unused]] napi_callback_info info)
     {
         Process object(env);
         return object.GetPid();
     }
 
-    static napi_value GetPpid(napi_env env, napi_callback_info info)
+    static napi_value GetPpid(napi_env env, [[maybe_unused]] napi_callback_info info)
     {
         Process object(env);
         return object.GetPpid();
@@ -321,7 +320,7 @@ namespace OHOS::Js_sys_module::Process {
         return result;
     }
 
-    static napi_value Abort(napi_env env, napi_callback_info info)
+    static napi_value Abort(napi_env env, [[maybe_unused]] napi_callback_info info)
     {
         Process object(env);
         object.Abort();
@@ -330,7 +329,7 @@ namespace OHOS::Js_sys_module::Process {
         return res;
     }
 
-    static napi_value Cwd(napi_env env, napi_callback_info info)
+    static napi_value Cwd(napi_env env, [[maybe_unused]] napi_callback_info info)
     {
         Process object(env);
         return object.Cwd();
@@ -387,7 +386,7 @@ namespace OHOS::Js_sys_module::Process {
         return result;
     }
 
-    static napi_value Uptime(napi_env env, napi_callback_info info)
+    static napi_value Uptime(napi_env env, [[maybe_unused]] napi_callback_info info)
     {
         Process object(env);
         return object.Uptime();
@@ -405,13 +404,13 @@ namespace OHOS::Js_sys_module::Process {
         result = object.Kill(argv[0], argv[1]);
         return result;
     }
-    static napi_value GetTid(napi_env env, napi_callback_info info)
+    static napi_value GetTid(napi_env env, [[maybe_unused]] napi_callback_info info)
     {
         Process object(env);
         return object.GetTid();
     }
 
-    static napi_value IsIsolatedProcess(napi_env env, napi_callback_info info)
+    static napi_value IsIsolatedProcess(napi_env env, [[maybe_unused]] napi_callback_info info)
     {
         Process object(env);
         return object.IsIsolatedProcess();
@@ -430,7 +429,7 @@ namespace OHOS::Js_sys_module::Process {
         return object.IsAppUid(args);
     }
 
-    static napi_value Is64Bit(napi_env env, napi_callback_info info)
+    static napi_value Is64Bit(napi_env env, [[maybe_unused]] napi_callback_info info)
     {
         Process object(env);
         return object.Is64Bit();
@@ -462,13 +461,13 @@ namespace OHOS::Js_sys_module::Process {
         return object.GetThreadPriority(args);
     }
 
-    static napi_value GetStartRealtime(napi_env env, napi_callback_info info)
+    static napi_value GetStartRealtime(napi_env env, [[maybe_unused]] napi_callback_info info)
     {
         Process object(env);
         return object.GetStartRealtime();
     }
 
-    static napi_value GetPastCputime(napi_env env, napi_callback_info info)
+    static napi_value GetPastCputime(napi_env env, [[maybe_unused]] napi_callback_info info)
     {
         Process object(env);
         return object.GetPastCputime();