diff --git a/demo/CodeGen.vue b/demo/CodeGen.vue
index 08cbfb0..3793bd9 100644
--- a/demo/CodeGen.vue
+++ b/demo/CodeGen.vue
@@ -78,7 +78,11 @@ const transformedCode = ref("");
 const transformErrors = ref([]);
 
 onMounted(async () => {
-  await initialize({ wasmURL });
+  // prevent multiple initializations during HMR
+  if (!window.__esbuildInitialized) {
+    await initialize({ wasmURL });
+    window.__esbuildInitialized = true;
+  }
 
   initializing.value = false;
 
diff --git a/demo/data/logo.js b/demo/data/logo.js
index 6947e3d..017578b 100644
--- a/demo/data/logo.js
+++ b/demo/data/logo.js
@@ -20,10 +20,8 @@ export default {
       },
       shape: `path://${d}`,
       label: {
-        normal: {
-          formatter() {
-            return "";
-          },
+        formatter() {
+          return "";
         },
       },
       itemStyle: {
diff --git a/demo/data/radar.ts b/demo/data/radar.ts
index 8d00c21..6cd8bea 100644
--- a/demo/data/radar.ts
+++ b/demo/data/radar.ts
@@ -27,6 +27,7 @@ export const useScoreStore = defineStore("store", () => {
         fontWeight: 300,
       },
       radar: {
+        splitNumber: 4,
         indicator: scores.value.map(({ name, max }, index) => {
           if (index === activeIndex) {
             return { name, max, color: "goldenrod" };