fix: need to use set, not objectPath directly

src/index.ts

@@ -455,7 +455,7 @@ export class Config {
 
     // eslint-disable-next-line @typescript-eslint/no-for-in-array
     for (const key in argPairs) {
-      objectPath.set(this.data, key, argPairs[key]);
+      this.set(key, argPairs[key]);
     }
   }