Update PurchaseGraph.vue

src/ui/PurchaseGraph.vue

@@ -13,7 +13,7 @@ export default {
 
     console.log(canvas);
     let _response = await fetch(
-      "http://localhost:30030/api/purchase/statistics"
+      "/api/purchase/statistics"
     );
     let response = await _response.json();
     let labels = [];