diff --git a/libcore/src/lib.rs b/libcore/src/lib.rs
index f9f222d7..7747d418 100644
--- a/libcore/src/lib.rs
+++ b/libcore/src/lib.rs
@@ -16,8 +16,8 @@ pub use types::*;
 
 pub use mimalloc::MiMalloc;
 
-#[global_allocator]
-static GLOBAL: MiMalloc = MiMalloc;
+// #[global_allocator]
+// static GLOBAL: MiMalloc = MiMalloc;
 
 pub const GET_LIB_FUNC_NAME: &str = "get_lib";
 pub const GET_STORAGE_FUNC_NAME: &str = "get_storage";
diff --git a/src/compiler/ast.rs b/src/compiler/ast.rs
index aa452ba3..aeac125a 100644
--- a/src/compiler/ast.rs
+++ b/src/compiler/ast.rs
@@ -16,7 +16,6 @@ use rust_i18n::t;
 use std::{
     cell::RefCell,
     collections::{HashMap, HashSet},
-    iter::Cloned,
     mem::swap,
     path::PathBuf,
     rc::Rc,
@@ -49,6 +48,7 @@ pub struct ModuleUnit<'a> {
     first_func: bool,
     /// 对哈希表去重，并且记录每个dll的函数起始索引
     modules_dll_dup: HashSet<String>,
+    /// 每个模块的函数起始点
     modules_info: HashMap<String, usize>,
     /// 引用的dll
     modules_dll: Vec<String>,
@@ -1019,8 +1019,9 @@ impl<'a> ModuleUnit<'a> {
                                 .token_lexer
                                 .borrow_mut()
                                 .add_id(func_item.get_name().to_owned());
-                            let func_extern_id =
-                                func_item.buildin_id + self.modules_info[&import_file_path];
+                            let func_extern_id = FuncIdxTy(
+                                *func_item.buildin_id + self.modules_info[&import_file_path],
+                            );
                             // println!("{}", func_extern_id);
                             let name = func_item.get_name().to_owned();
                             if let Err(e) = self.self_scope.borrow_mut().import_extern_func(
@@ -1063,7 +1064,7 @@ impl<'a> ModuleUnit<'a> {
     }
 
     /// 生成修改变量的指令
-    fn modify_var(&mut self, varty: TyIdxTy, var_addr: usize, is_global: bool) {
+    fn modify_var(&mut self, varty: ClassIdxId, var_addr: usize, is_global: bool) {
         let objsz = self.get_ty_sz(varty);
         if !is_global {
             self.add_double_bycode(Opcode::StoreLocal, var_addr as Opidx, objsz as Opidx);
@@ -1236,8 +1237,8 @@ impl<'a> ModuleUnit<'a> {
                         self.expr(true)?;
                         let actual_ty = self.process_info.pop_last_ty().unwrap();
                         if ty != actual_ty {
-                            let s1 = self.get_ty_name(ty);
-                            let s2 = self.get_ty_name(actual_ty);
+                            let s1 = self.get_ty_name_by_class_id(ty);
+                            let s2 = self.get_ty_name_by_class_id(actual_ty);
                             return self.gen_error(ErrorInfo::new(
                                 t!(RETURN_TYPE_ERROR, "0" = s1, "1" = s2),
                                 t!(TYPE_ERROR),
@@ -1247,7 +1248,7 @@ impl<'a> ModuleUnit<'a> {
                     None => {
                         if self.expr(true).is_ok() {
                             let actual_ty = self.process_info.pop_last_ty().unwrap();
-                            let name = self.get_ty_name(actual_ty);
+                            let name = self.get_ty_name_by_class_id(actual_ty);
                             return self.gen_error(ErrorInfo::new(
                                 t!(RETURN_TYPE_ERROR, "0" = "void", "1" = name),
                                 t!(TYPE_ERROR),
diff --git a/src/compiler/ast/ast_base.rs b/src/compiler/ast/ast_base.rs
index e835e00f..9a38015e 100644
--- a/src/compiler/ast/ast_base.rs
+++ b/src/compiler/ast/ast_base.rs
@@ -195,7 +195,7 @@ impl<'a> ModuleUnit<'a> {
     }
 
     /// 通过Scope中的ID获取类型名
-    pub fn get_ty_name(&mut self, type_name: TyIdxTy) -> String {
+    pub fn get_ty_name(&mut self, type_name: ScopeAllocIdTy) -> String {
         self.self_scope
             .borrow()
             .get_class(type_name)
@@ -204,6 +204,15 @@ impl<'a> ModuleUnit<'a> {
             .to_string()
     }
 
+    pub fn get_ty_name_by_class_id(&mut self, type_name: ClassIdxId) -> String {
+        self.self_scope
+            .borrow()
+            .get_class_by_class_id(type_name)
+            .unwrap()
+            .get_name()
+            .to_string()
+    }
+
     /// 导入模块中的符号
     pub fn import_module_sym(&mut self, lib: &Module) {
         for i in lib.functions() {
diff --git a/src/compiler/scope.rs b/src/compiler/scope.rs
index ba2212e6..6b4a51cf 100644
--- a/src/compiler/scope.rs
+++ b/src/compiler/scope.rs
@@ -3,7 +3,6 @@ use super::{
     ValuePool,
 };
 use libcore::*;
-use num_enum::Default;
 use std::{
     cell::RefCell,
     collections::HashMap,
@@ -127,7 +126,7 @@ pub struct VarInfo {
 }
 
 impl VarInfo {
-    pub fn new(ty: TyIdxTy, var_idx: usize, addr: usize) -> Self {
+    pub fn new(ty: ClassIdxId, var_idx: usize, addr: usize) -> Self {
         Self { ty, var_idx, addr }
     }
 }
@@ -440,14 +439,19 @@ impl SymScope {
     }
 
     /// 返回变量的索引和内存地址
-    pub fn add_var(&mut self, id: ScopeAllocIdTy, ty: TyIdxTy, var_sz: usize) -> (VarIdxTy, usize) {
+    pub fn add_var(
+        &mut self,
+        id: ScopeAllocIdTy,
+        ty: ClassIdxId,
+        var_sz: usize,
+    ) -> (VarIdxTy, usize) {
         let ret_addr = self.var_sz;
         self.vars
             .insert(id, VarInfo::new(ty, self.vars_id, ret_addr));
         let ret = self.vars_id;
         self.vars_id += 1;
         self.var_sz += var_sz;
-        (ret, ret_addr)
+        (VarIdxTy(ret), ret_addr)
     }
 
     pub fn get_var_table_sz(&self) -> usize {
diff --git a/tests/test_all_examples.rs b/tests/test_all_examples.rs
index 59b632bc..55210a6e 100644
--- a/tests/test_all_examples.rs
+++ b/tests/test_all_examples.rs
@@ -1,8 +1,8 @@
 //! this test all examples files and check them output
 
 use assert_cmd::Command;
+use libcore::utils::get_next_check_char;
 use std::fs::read_to_string;
-use trc::base::utils::get_next_check_char;
 
 /// 检查迭代器是否剩下的所有字符都满足某个条件
 fn check_whether_end(iter: &mut impl Iterator<Item = char>, condit: impl Fn(char) -> bool) -> bool {
diff --git a/tests/test_compiler.rs b/tests/test_compiler.rs
index 61783ca1..2e17a27b 100644
--- a/tests/test_compiler.rs
+++ b/tests/test_compiler.rs
@@ -41,7 +41,7 @@ fn get_func_id(scope: &mut ModuleUnit, name: &str) -> Opidx {
         .borrow()
         .get_sym(idstr)
         .expect("sym not found");
-    scope
+    *scope
         .get_scope()
         .borrow()
         .get_function(symid)