diff --git a/port/linux/.vscode/launch.json b/port/linux/.vscode/launch.json
index dae3e3925..cf73cad2f 100644
--- a/port/linux/.vscode/launch.json
+++ b/port/linux/.vscode/launch.json
@@ -11,7 +11,7 @@
             "program": "${workspaceFolder}/build/test/pikascript_test",
             // "program": "${workspaceFolder}/build/boot/demo06-pikamain/pikascript_demo06-pikamain",
             "args": [
-                // "--gtest_filter=vm.class_keyword"
+                // "--gtest_filter=vm.fn_pos_kw_issue1"
             ],
             "stopAtEntry": false,
             "cwd": "${workspaceFolder}",
diff --git a/src/PikaVM.c b/src/PikaVM.c
index 521473573..89cd94a0a 100644
--- a/src/PikaVM.c
+++ b/src/PikaVM.c
@@ -847,7 +847,8 @@ Arg* obj_runMethodArg(PikaObj* self,
 static char* _kw_to_default_all(FunctionArgsInfo* f,
                                 char* arg_name,
                                 int* argc,
-                                Arg* argv[]) {
+                                Arg* argv[],
+                                Arg* call_arg) {
 #if PIKA_NANO
     return arg_name;
 #endif
@@ -861,6 +862,17 @@ static char* _kw_to_default_all(FunctionArgsInfo* f,
                 argv[(*argc)++] = arg_new;
                 pikaDict_removeArg(f->kw, default_arg);
             }
+        } else {
+            /* can not load defalut from kw */
+            if (NULL != call_arg && f->is_default) {
+                /* load default from pos */
+                if (f->i_arg > f->n_positional) {
+                    arg_setNameHash(call_arg,
+                                    hash_time33EndWith(arg_name, ':'));
+                    argv[(*argc)++] = call_arg;
+                    return (char*)1;
+                }
+            }
         }
         arg_name = strPopLastToken(f->type_list, ',');
     }
@@ -980,20 +992,12 @@ static void _load_call_arg(VMState* vm,
         }
     }
     char* arg_name = strPopLastToken(f->type_list, ',');
-    /* load default from pos */
-    if (f->i_arg > f->n_positional) {
-        if (f->is_default) {
-            if (arg_name[strlen(arg_name) - 1] == '=') {
-                /* found default arg*/
-                arg_name[strlen(arg_name) - 1] = '\0';
-                arg_setNameHash(call_arg, hash_time33EndWith(arg_name, ':'));
-                argv[(*argc)++] = call_arg;
-            }
-            return;
-        }
-    }
     /* load default from kw */
-    arg_name = _kw_to_default_all(f, arg_name, argc, argv);
+    arg_name = _kw_to_default_all(f, arg_name, argc, argv, call_arg);
+    if (((char*)1) == arg_name) {
+        /* load default from pos */
+        return;
+    }
     /* load position arg */
     if (_kw_to_pos_one(f, arg_name, argc, argv)) {
         /* load pos from kw */
@@ -1235,7 +1239,7 @@ static int VMState_loadArgsFromMethodArg(VMState* vm,
 #if !PIKA_NANO_ENABLE
     if (strIsContain(f.type_list, '=')) {
         char* arg_name = strPopLastToken(f.type_list, ',');
-        _kw_to_default_all(&f, arg_name, &argc, argv);
+        _kw_to_default_all(&f, arg_name, &argc, argv, NULL);
     }
     /* load kw to pos */
     _kw_to_pos_all(&f, &argc, argv);
diff --git a/test/VM-test.cpp b/test/VM-test.cpp
index 97e5be1f2..c2dbdc094 100644
--- a/test/VM-test.cpp
+++ b/test/VM-test.cpp
@@ -2452,11 +2452,13 @@ TEST(vm, fn_pos_kw_issue1) {
             "new(3, b = 2)\n");
     /* collect */
     /* assert */
+    EXPECT_STREQ(log_buff[0], "3 2\r\n");
     /* deinit */
     obj_deinit(pikaMain);
     EXPECT_EQ(pikaMemNow(), 0);
 }
 
+
 #endif
 
 TEST_END
\ No newline at end of file