diff --git a/src/core/ohos/SDL_ohos.cpp b/src/core/ohos/SDL_ohos.cpp
index 4aa5e8fb952ffbcbe88c462d59b63fd3120f4a25..3770aafda22cdd580bff5d9926915001bf0d5998 100644
--- a/src/core/ohos/SDL_ohos.cpp
+++ b/src/core/ohos/SDL_ohos.cpp
@@ -51,6 +51,7 @@ SDL_DisplayOrientation displayOrientation;
 
 SDL_atomic_t bPermissionRequestPending;
 SDL_bool bPermissionRequestResult;
+static SDL_atomic_t bQuit;
 
 /* Lock / Unlock Mutex */
 void
@@ -253,6 +254,9 @@ OHOS_CreateCustomCursor(SDL_Surface *surface, int hot_x, int hot_y)
 SDL_bool
 OHOS_SetCustomCursor(int cursorID)
 {
+    if (SDL_AtomicGet(&bQuit) == SDL_TRUE) {
+        return SDL_TRUE;
+    }
     cJSON *root = cJSON_CreateObject();
     if (root == NULL) {
         SDL_LogError(SDL_LOG_CATEGORY_ERROR, "Error creating JSON object.");
@@ -266,6 +270,9 @@ OHOS_SetCustomCursor(int cursorID)
 SDL_bool
 OHOS_SetSystemCursor(int cursorID)
 {
+    if (SDL_AtomicGet(&bQuit) == SDL_TRUE) {
+        return SDL_TRUE;
+    }
     cJSON *root = cJSON_CreateObject();
     if (root == NULL) {
         SDL_LogError(SDL_LOG_CATEGORY_ERROR, "Error creating JSON object.");
@@ -281,26 +288,12 @@ OHOS_SetSystemCursor(int cursorID)
 SDL_bool 
 OHOS_SupportsRelativeMouse(void)
 {
-    cJSON *root = cJSON_CreateObject();
-    if (root == NULL) {
-        SDL_LogError(SDL_LOG_CATEGORY_ERROR, "Error creating JSON object.");
-        return SDL_FALSE;
-    }
-
-    napi_call_threadsafe_function(napiCallback->tsfn, root, napi_tsfn_nonblocking);
     return SDL_TRUE; 
 }
 
 SDL_bool
 OHOS_SetRelativeMouseEnabled(SDL_bool enabled)
 {
-    cJSON *root = cJSON_CreateObject();
-    if (root == NULL) {
-        SDL_LogError(SDL_LOG_CATEGORY_ERROR, "Error creating JSON object.");
-        return SDL_FALSE;
-    }
-    cJSON_AddBoolToObject(root, "enabled", enabled);
-    napi_call_threadsafe_function(napiCallback->tsfn, root, napi_tsfn_nonblocking);
     return SDL_TRUE;
 }
 
@@ -465,6 +458,7 @@ OHOS_NativeQuit(void) {
 napi_value
 SDLNapi::OHOS_NativeSendQuit(napi_env env, napi_callback_info info)
 {
+    SDL_AtomicSet(&bQuit, SDL_TRUE);
     SDL_FlushEvents(SDL_FIRSTEVENT, SDL_LASTEVENT);
     napi_value sum = 0;
     SDL_SendQuit();
@@ -545,6 +539,7 @@ OHOS_NAPI_NativeSetup(void)
     SDL_setenv("SDL_VIDEO_EGL_DRIVER", "libEGL.so", 1);
     SDL_setenv("SDL_ASSERT", "ignore", 1);
     SDL_AtomicSet(&bPermissionRequestPending, SDL_FALSE);
+    SDL_AtomicSet(&bQuit, SDL_FALSE);
     return;
 }
 
@@ -626,7 +621,8 @@ SDLAppEntry(napi_env env, napi_callback_info info)
             break;
         }
         napi_get_value_string_utf8(env, argv[i], nullptr, 0, &buffer_size);
-        arg = new char[buffer_size];
+        arg = new char[buffer_size + 1];
+        SDL_memset(arg, 0, buffer_size + 1);
         napi_get_value_string_utf8(env, argv[i], arg, buffer_size + 1, &buffer_size);
         if (!arg) {
             delete[] arg;