diff --git a/port/linux/.vscode/launch.json b/port/linux/.vscode/launch.json
index 2a6acd0b8..dada82f4c 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=pikaMain.mem_now"
+                // "--gtest_filter=pikaMain.mem_now"
             ],
             "stopAtEntry": false,
             "cwd": "${workspaceFolder}",
diff --git a/src/PikaObj.c b/src/PikaObj.c
index fd445eadc..a00cd66bc 100644
--- a/src/PikaObj.c
+++ b/src/PikaObj.c
@@ -1735,11 +1735,10 @@ PikaObj* obj_importModuleWithByteCodeFrame(PikaObj* self,
     return self;
 }
 
-PikaObj* obj_linkLibraryFile(PikaObj* self, char* input_file_name) {
+int obj_linkLibraryFile(PikaObj* self, char* input_file_name) {
     obj_newMetaObj(self, "@lib", New_LibObj);
     LibObj* lib = obj_getObj(self, "@lib");
-    LibObj_loadLibraryFile(lib, input_file_name);
-    return self;
+    return LibObj_loadLibraryFile(lib, input_file_name);
 }
 
 PikaObj* obj_linkLibrary(PikaObj* self, uint8_t* library_bytes) {
diff --git a/src/PikaObj.h b/src/PikaObj.h
index 1e4637ce0..8d6189d52 100644
--- a/src/PikaObj.h
+++ b/src/PikaObj.h
@@ -408,7 +408,7 @@ PikaObj* pks_eventListener_getEventHandleObj(PikaEventListener* self,
 void pks_eventListener_init(PikaEventListener** p_self);
 void pks_eventListener_deinit(PikaEventListener** p_self);
 PikaObj* methodArg_getDefContext(Arg* method_arg);
-PikaObj* obj_linkLibraryFile(PikaObj* self, char* input_file_name);
+int obj_linkLibraryFile(PikaObj* self, char* input_file_name);
 NewFun obj_getClass(PikaObj* obj);
 
 void pks_printVersion(void);
diff --git a/src/PikaParser.c b/src/PikaParser.c
index 69c0fac1f..e47fcfcab 100644
--- a/src/PikaParser.c
+++ b/src/PikaParser.c
@@ -2607,6 +2607,7 @@ static char* _Parser_linesToBytesOrAsm(Args* outBuffs,
     parse_after:
         if (NULL == single_ASM) {
             out_ASM = NULL;
+            pika_platform_printf("    -> %s\r\n", line);
             strsDeinit(&buffs);
             goto exit;
         }
diff --git a/src/PikaVM.c b/src/PikaVM.c
index 53fcb0906..8420ed3b7 100644
--- a/src/PikaVM.c
+++ b/src/PikaVM.c
@@ -3743,8 +3743,9 @@ PikaObj* pikaVM_runFile(PikaObj* self, char* file_name) {
     pikaMemMaxReset();
     char* libfile_path =
         strsPathJoin(&buffs, pwd, "pikascript-api/pikaModules_cache.py.a");
-    obj_linkLibraryFile(self, libfile_path);
-    self = pikaVM_runSingleFile(self, file_name);
+    if (PIKA_RES_OK == obj_linkLibraryFile(self, libfile_path)) {
+        self = pikaVM_runSingleFile(self, file_name);
+    }
     strsDeinit(&buffs);
     return self;
 }
diff --git a/test/python/PikaUI/test_page.py b/test/python/PikaUI/test_page.py
index 72c2566a3..82f75690a 100644
--- a/test/python/PikaUI/test_page.py
+++ b/test/python/PikaUI/test_page.py
@@ -1,33 +1,38 @@
 import PikaUI as ui
 from PikaStdLib import MemChecker as mem
 
-class Page1(ui.Page):
+
+class MainContainer(ui.Container):
     def onclick_next(self, event):
         print('Page1: onclick_next')
         app.pageManager.enter(Page2())
         mem.now()
 
     def build(self):
-        main = ui.Container(
+        text = ui.Text(
+            text='Hello Page1',
+            align=ui.ALIGN.CENTER
+        )
+        btn = ui.Button(
+            text='Next',
+            align=ui.ALIGN.CENTER,
+            pos=(0, 50),
+            height=30,
+            width=80,
+            onclick=self.onclick_next
+        )
+        return [text, btn]
+
+
+class Page1(ui.Page):
+    def build(self):
+        mainCtn = MainContainer(
             width=300,
             height=200,
             pos=(0, 50)
-        ).add(
-            ui.Text(
-                text='Hello Page1',
-                align=ui.ALIGN.CENTER
-            ),
-            ui.Button(
-                text='Next',
-                align=ui.ALIGN.CENTER,
-                pos=(0, 50),
-                height=30,
-                width=80,
-                onclick=self.onclick_next
-            )
         )
         title = ui.Text("Title")
-        return [main, title]
+        return [mainCtn, title]
 
 
 class Page2(ui.Page):
@@ -37,8 +42,8 @@ class Page2(ui.Page):
 
     def build(self):
         return ui.Container(
-            width= 400,
-            height= 200,
+            width=400,
+            height=200,
             pos=(0, 50)
         ).add(
             ui.Text(
@@ -55,6 +60,7 @@ class Page2(ui.Page):
             )
         )
 
+
 app = ui.App()
 app.pageManager.enter(Page1())
 app.timer.cb(0)
@@ -74,4 +80,3 @@ mem.now()
 #     app.pageManager.back()
 #     app.timer.cb(0)
 #     mem.now()
-