diff --git a/python/jittor/extern/acl/acl_compiler.py b/python/jittor/extern/acl/acl_compiler.py
index 92fb816e..218a51a2 100644
--- a/python/jittor/extern/acl/acl_compiler.py
+++ b/python/jittor/extern/acl/acl_compiler.py
@@ -20,7 +20,7 @@ def install():
     global has_acl, cc_flags
     acl_compiler_home = os.path.dirname(__file__)
     cc_files = sorted(glob.glob(acl_compiler_home+"/**/*.cc", recursive=True))
-    cc_flags += f" -DHAS_CUDA -DIS_ACL -I/usr/local/Ascend/runtime/include -I/usr/local/Ascend/driver/include -L/usr/local/Ascend/compiler/lib64 -L/usr/local/Ascend/runtime/lib64 -I{acl_compiler_home}  -ltikc_runtime -lascendcl  "
+    cc_flags += f" -DHAS_CUDA -DIS_ACL  -I/usr/local/Ascend/latest/x86_64-linux/include/ -I/usr/local/Ascend/latest/x86_64-linux/include/acl -L/usr/local/Ascend/latest/x86_64-linux/lib64  -I/usr/local/Ascend/runtime/include -I/usr/local/Ascend/driver/include -L/usr/local/Ascend/compiler/lib64 -L/usr/local/Ascend/runtime/lib64 -I{acl_compiler_home}  -ltikc_runtime -lascendcl  "
     ctypes.CDLL("libascendcl.so", dlopen_flags)
     jittor_utils.LOG.i("ACL detected")
 
diff --git a/python/jittor/src/misc/nano_vector.h b/python/jittor/src/misc/nano_vector.h
index 9208ab4c..d432c048 100644
--- a/python/jittor/src/misc/nano_vector.h
+++ b/python/jittor/src/misc/nano_vector.h
@@ -148,6 +148,12 @@ struct NanoVector {
         for (auto a : v) push_back_check_overflow(a);
     }
 
+#ifdef __linux__
+    inline NanoVector(const vector<int64_t>& v) {
+        for (auto a : v) push_back_check_overflow((int64)a);
+    }
+#endif
+
     template<typename TMakeV>
     inline static NanoVector make(const TMakeV* v, int n) {
         NanoVector nv;
diff --git a/python/jittor/src/pyjt/py_converter.h b/python/jittor/src/pyjt/py_converter.h
index ebad7554..07ae21ff 100644
--- a/python/jittor/src/pyjt/py_converter.h
+++ b/python/jittor/src/pyjt/py_converter.h
@@ -105,6 +105,21 @@ DEF_IS(int64, T) from_py_object(PyObject* obj) {
     return PyLong_AsLongLong(obj);
 }
 
+#ifdef __linux__
+// int64_t
+DEF_IS(int64_t, bool) is_type(PyObject* obj) {
+    return PyLong_CheckExact(obj);
+}
+
+DEF_IS(int64_t, PyObject*) to_py_object(const T& a) {
+    return PyLong_FromLongLong(a);
+}
+
+DEF_IS(int64_t, T) from_py_object(PyObject* obj) {
+    return PyLong_AsLongLong(obj);
+}
+#endif
+
 // float64
 DEF_IS(float64, bool) is_type(PyObject* obj) {
     return PyFloat_CheckExact(obj) || PyLong_CheckExact(obj);