diff --git a/ica-rs/src/py/mod.rs b/ica-rs/src/py/mod.rs
index 8f79e9d..d9c366a 100644
--- a/ica-rs/src/py/mod.rs
+++ b/ica-rs/src/py/mod.rs
@@ -439,18 +439,18 @@ pub fn init_py() {
                 #[cfg(target_os = "windows")]
                 use std::os::windows::ffi::OsStrExt;
 
-                let wide_path = OsStr::new(&virtual_env).encode_wide().collect::<Vec<u16>>();
+                let wide_path = OsStr::new(&virtual_env).encode_wide().chain(Some(0)).collect::<Vec<u16>>();
 
                 // 设置 prefix 和 exec_prefix
                 pyo3::ffi::PyConfig_SetString(
                     config_ptr,
                     &mut config.prefix as *mut _,
-                    wide_path.as_ptr() as *mut _,
+                    wide_path.as_slice().as_ptr(),
                 );
                 pyo3::ffi::PyConfig_SetString(
                     config_ptr,
                     &mut config.exec_prefix as *mut _,
-                    wide_path.as_ptr() as *mut _,
+                    wide_path.as_slice().as_ptr(),
                 );
 
                 // init py