diff --git a/port/linux/.vscode/launch.json b/port/linux/.vscode/launch.json
index aead8a09b..56ddd162d 100644
--- a/port/linux/.vscode/launch.json
+++ b/port/linux/.vscode/launch.json
@@ -24,7 +24,7 @@
                 // "--gtest_filter=vm.test_cmodule_import_as"
                 // "--gtest_filter=vm.subsrc_import"
                 // "--gtest_filter=event.event_thread"
-                "--gtest_filter=*mqtt*"
+                // "--gtest_filter=module.while_loop"
             ],
             "stopAtEntry": false,
             "cwd": "${workspaceFolder}",
diff --git a/port/linux/test/module-test.cpp b/port/linux/test/module-test.cpp
index 8756160c5..478f1ec4a 100644
--- a/port/linux/test/module-test.cpp
+++ b/port/linux/test/module-test.cpp
@@ -30,10 +30,11 @@ TEST(module, while_loop) {
     /* run */
     obj_run(pikaMain,
             "import test_module1\n"
-            "test_module1.while_loop()\n");
+            "test_module1.while_loop()\n"
+            "test_module1");
     /* collect */
     /* assert */
-    EXPECT_STREQ("4\r\n", log_buff[0]);
+    EXPECT_STREQ("4\r\n", log_buff[1]);
     /* deinit */
     obj_deinit(pikaMain);
     EXPECT_EQ(pikaMemNow(), 0);
diff --git a/port/linux/test/python/test_module1.py b/port/linux/test/python/test_module1.py
index fa8079ff7..41aeeb572 100644
--- a/port/linux/test/python/test_module1.py
+++ b/port/linux/test/python/test_module1.py
@@ -1,2 +1,7 @@
 def mytest():
-    print('test_module_1_hello')
\ No newline at end of file
+    print('test_module_1_hello')
+
+
+class AO:
+    def __init__(self):
+        print('test_module_1_AO')
diff --git a/src/PikaObj.c b/src/PikaObj.c
index baaef93f5..f3f3ab939 100644
--- a/src/PikaObj.c
+++ b/src/PikaObj.c
@@ -559,14 +559,23 @@ PikaObj* _pika_dict_new(int num_args, ...) {
 }
 
 NativeProperty* obj_getProp(PikaObj* self) {
-    NativeProperty* prop = obj_getPtr(self, "@p");
+    Arg* aProp = obj_getArg(self, "@p");
     PikaObj* class_obj = NULL;
-    if (NULL == prop) {
+    if (NULL == aProp) {
         if (NULL != self->constructor) {
             class_obj = obj_getClassObj(self);
-            prop = obj_getPtr(class_obj, "@p");
+            aProp = obj_getArg(class_obj, "@p");
         }
     }
+    NativeProperty* prop = NULL;
+    if (aProp == NULL) {
+        goto __exit;
+    }
+    if (arg_getType(aProp) != ARG_TYPE_POINTER) {
+        goto __exit;
+    }
+    prop = (NativeProperty*)arg_getPtr(aProp);
+__exit:
     if (NULL != class_obj) {
         obj_deinit_no_del(class_obj);
     }
diff --git a/src/PikaVersion.h b/src/PikaVersion.h
index 3ef2c67ec..8720d3acd 100644
--- a/src/PikaVersion.h
+++ b/src/PikaVersion.h
@@ -2,4 +2,4 @@
 #define PIKA_VERSION_MINOR 13
 #define PIKA_VERSION_MICRO 3
 
-#define PIKA_EDIT_TIME "2024/05/05 02:39:07"
+#define PIKA_EDIT_TIME "2024/05/06 00:34:23"
diff --git a/src/dataArgs.c b/src/dataArgs.c
index 1c53c4555..353832418 100644
--- a/src/dataArgs.c
+++ b/src/dataArgs.c
@@ -58,7 +58,6 @@ void* args_getPtr(Args* self, char* name) {
     if (NULL == arg) {
         return NULL;
     }
-
     pointer = arg_getPtr(arg);
     return pointer;
 }