diff --git a/.vscode/launch.json b/.vscode/launch.json
index d748737a4..80d6cae02 100644
--- a/.vscode/launch.json
+++ b/.vscode/launch.json
@@ -10,7 +10,7 @@
             "request": "launch",
             "program": "${workspaceFolder}/build/src/test/pikascript_test",
             "args": [
-                "--gtest_filter=args*"
+                "--gtest_filter=args.test3"
             ],
             "stopAtEntry": false,
             "cwd": "${workspaceFolder}",
diff --git a/src/boot/banchmark/main.c b/src/boot/banchmark/main.c
index 730f830e6..67f6eea12 100644
--- a/src/boot/banchmark/main.c
+++ b/src/boot/banchmark/main.c
@@ -85,21 +85,21 @@ int32_t main()
     }
     {
         Arg *arg = New_arg(NULL);
-        arg_setInt(arg, 0);
+        arg = arg_setInt(arg, 0);
         checker_printMemUsage("int arg");
         arg_deinit(arg);
         checker_assertMemFree();
     }
     {
         Arg *arg = New_arg(NULL);
-        arg_setFloat(arg, 0);
+        arg = arg_setFloat(arg, 0);
         checker_printMemUsage("float arg");
         arg_deinit(arg);
         checker_assertMemFree();
     }
     {
         Arg *arg = New_arg(NULL);
-        arg_setStr(arg, "test string");
+        arg = arg_setStr(arg, "test string");
         checker_printMemUsage("str arg");
         arg_deinit(arg);
         checker_assertMemFree();
diff --git a/src/package/pikascript/pikascript-core b/src/package/pikascript/pikascript-core
index 8d16db274..3aa6cd163 160000
--- a/src/package/pikascript/pikascript-core
+++ b/src/package/pikascript/pikascript-core
@@ -1 +1 @@
-Subproject commit 8d16db27496203dd3874ce1d7fc1a559b540a87d
+Subproject commit 3aa6cd1631167a50e8957f11b6aa9ecc129a0979
diff --git a/src/test/arg-test.cpp b/src/test/arg-test.cpp
index 18bf6bbd1..863f62f2a 100644
--- a/src/test/arg-test.cpp
+++ b/src/test/arg-test.cpp
@@ -9,7 +9,7 @@ static int mem;
 TEST(arg_test, int_)
 {
     Arg *arg = New_arg(NULL);
-    arg_setInt(arg, 1);
+    arg = arg_setInt(arg, 1);
     int a = arg_getInt(arg);
     EXPECT_EQ(a, 1);
     arg_deinit(arg);
@@ -19,7 +19,7 @@ TEST(arg_test, int_)
 TEST(arg_test, float_)
 {
     Arg *arg = New_arg(NULL);
-    arg_setFloat(arg, 1.01);
+    arg = arg_setFloat(arg, 1.01);
     float a = arg_getFloat(arg);
     EXPECT_EQ(a, (float)1.01);
     arg_deinit(arg);
@@ -29,7 +29,7 @@ TEST(arg_test, float_)
 TEST(arg_test, str_)
 {
     Arg *arg = New_arg(NULL);
-    arg_setStr(arg, (char *)"test str");
+    arg = arg_setStr(arg, (char *)"test str");
     char *a = arg_getStr(arg);
     EXPECT_EQ(strEqu(a, (char *)"test str"), 1);
     arg_deinit(arg);
@@ -40,7 +40,7 @@ TEST(arg_test, ptr)
 {
     Arg *arg = New_arg(NULL);
     int a = 1;
-    arg_setPtr(arg, &a);
+    arg = arg_setPtr(arg, &a);
     int *pa = (int *)arg_getPtr(arg);
     EXPECT_EQ(*pa, 1);
     arg_deinit(arg);
@@ -50,7 +50,7 @@ TEST(arg_test, ptr)
 TEST(arg_test, name)
 {
     Arg *arg = New_arg(NULL);
-    arg_setName(arg, (char *)"test");
+    arg = arg_setName(arg, (char *)"test");
     char *name = arg_getName(arg);
     EXPECT_STREQ((char *)"test", name);
     arg_deinit(arg);
@@ -60,7 +60,7 @@ TEST(arg_test, name)
 TEST(arg_test, type)
 {
     Arg *arg = New_arg(NULL);
-    arg_setType(arg, (char *)"test");
+    arg = arg_setType(arg, (char *)"test");
     char *type = arg_getType(arg);
     EXPECT_EQ(1, strEqu((char *)"test", type));
     arg_deinit(arg);