diff --git a/curp/src/rpc/mod.rs b/curp/src/rpc/mod.rs
index bd189ddc7..8d7237415 100644
--- a/curp/src/rpc/mod.rs
+++ b/curp/src/rpc/mod.rs
@@ -240,15 +240,12 @@ impl WaitSyncedResponse {
         asr: Option<Result<C::ASR, C::Error>>,
     ) -> Self {
         match (er, asr) {
-            (None, Some(_)) => {
+            (None, Some(_)) | (Some(Err(_)), Some(_)) => {
                 unreachable!("should not call after sync if execution fails")
             }
             (None, None) => WaitSyncedResponse::new_error::<C>(
                 WaitSyncError::Other("can't get er result".to_owned()).into(),
             ), // this is highly unlikely to happen,
-            (Some(Err(_)), Some(_)) => {
-                unreachable!("should not call after_sync when exe failed")
-            }
             (Some(Err(err)), None) => {
                 WaitSyncedResponse::new_error(CommandSyncError::<C>::Execute(err))
             }