fix: add serde skip to new param

src/helper/xvb/priv_stats.rs

@@ -47,6 +47,7 @@ pub struct XvbPrivStats {
     #[serde(skip)]
     // so the hero mode can change between two decision of algorithm without restarting XvB.
     pub runtime_mode: RuntimeMode,
+    #[serde(skip)]
     pub runtime_manual_amount: u64
 }