diff --git a/clash_lib/src/common/crypto.rs b/clash_lib/src/common/crypto.rs
index e5f4771aa..10b32c640 100644
--- a/clash_lib/src/common/crypto.rs
+++ b/clash_lib/src/common/crypto.rs
@@ -9,7 +9,7 @@ use aes_gcm::{AeadInPlace, KeyInit};
 pub fn aes_cfb_encrypt(key: &[u8], iv: &[u8], data: &mut [u8]) -> anyhow::Result<()> {
     match key.len() {
         16 => {
-            cfb_mode::Encryptor::<aes::Aes256>::new(key.into(), iv.into()).encrypt(data);
+            cfb_mode::Encryptor::<aes::Aes128>::new(key.into(), iv.into()).encrypt(data);
             Ok(())
         }
         24 => {
@@ -17,7 +17,7 @@ pub fn aes_cfb_encrypt(key: &[u8], iv: &[u8], data: &mut [u8]) -> anyhow::Result
             Ok(())
         }
         32 => {
-            cfb_mode::Encryptor::<aes::Aes128>::new(key.into(), iv.into()).encrypt(data);
+            cfb_mode::Encryptor::<aes::Aes256>::new(key.into(), iv.into()).encrypt(data);
             Ok(())
         }
         _ => anyhow::bail!("invalid key length"),
@@ -27,7 +27,7 @@ pub fn aes_cfb_encrypt(key: &[u8], iv: &[u8], data: &mut [u8]) -> anyhow::Result
 pub fn aes_cfb_decrypt(key: &[u8], iv: &[u8], data: &mut [u8]) -> anyhow::Result<()> {
     match key.len() {
         16 => {
-            cfb_mode::Decryptor::<aes::Aes256>::new(key.into(), iv.into()).decrypt(data);
+            cfb_mode::Decryptor::<aes::Aes128>::new(key.into(), iv.into()).decrypt(data);
             Ok(())
         }
         24 => {
@@ -35,7 +35,7 @@ pub fn aes_cfb_decrypt(key: &[u8], iv: &[u8], data: &mut [u8]) -> anyhow::Result
             Ok(())
         }
         32 => {
-            cfb_mode::Decryptor::<aes::Aes128>::new(key.into(), iv.into()).decrypt(data);
+            cfb_mode::Decryptor::<aes::Aes256>::new(key.into(), iv.into()).decrypt(data);
             Ok(())
         }
         _ => anyhow::bail!("invalid key length"),
diff --git a/clash_lib/src/lib.rs b/clash_lib/src/lib.rs
index 389d6f337..82f12cdd4 100644
--- a/clash_lib/src/lib.rs
+++ b/clash_lib/src/lib.rs
@@ -471,12 +471,11 @@ mod tests {
     use std::time::Duration;
 
     #[test]
-    #[ignore]
     fn start_and_stop() {
         let conf = r#"
         socks-port: 7891
         bind-address: 127.0.0.1
-        mmdb: "clash_lib/tests/data/Country.mmdb"
+        mmdb: "tests/data/Country.mmdb"
         "#;
 
         let handle = thread::spawn(|| {