diff --git a/microcontroller/sketch_apr22a/sketch_apr22a.ino b/microcontroller/sketch_apr22a/sketch_apr22a.ino
index b3dcbde..57b06a3 100644
--- a/microcontroller/sketch_apr22a/sketch_apr22a.ino
+++ b/microcontroller/sketch_apr22a/sketch_apr22a.ino
@@ -412,6 +412,8 @@ void runFermentasi() {
     // menentukan data masuk ke pengujian atau tidak berdasarkan jarak jam
     long unsigned epochTimeNow = timeClient.getEpochTime();
 
+    getDataPengujian();
+
     if (dataPengujian.length() > 0) {
       JSONVar dataPengujianTerakhir = dataPengujian[dataPengujian.length() - 1];
       int created_time = dataPengujianTerakhir["created_time"];
@@ -424,6 +426,8 @@ void runFermentasi() {
       } else {
         pengujian = false;
       }
+    } else {
+      pengujian = true;
     }
 
     getDebugging();
diff --git a/website/src/pages/Index.tsx b/website/src/pages/Index.tsx
index 65b0164..c014cb2 100644
--- a/website/src/pages/Index.tsx
+++ b/website/src/pages/Index.tsx
@@ -169,6 +169,25 @@ export default function () {
     window.location.reload();
   };
 
+  const cancelFermentasi = async () => {
+    const isOk = confirm("anda yakin untuk membatalkan proses fermentasi?");
+    if (isOk) {
+      await supabase.from("pengaturan").update({ running: false }).eq("id", 1);
+      await supabase.from("kondisi_tapai").delete().neq("id", "0");
+      await supabase
+        .from("realtime_data")
+        .update({
+          kadar_gas: 0,
+          kelembaban: 0,
+          suhu: 0,
+          created_time: 0,
+        })
+        .eq("id", 1);
+
+      window.location.reload();
+    }
+  };
+
   onMount(async () => {
     await getPengaturan();
     Chart.register(...registerables);
@@ -205,7 +224,7 @@ export default function () {
           </div>
         </Show>
         <div class={"space-y-5" + (kadarGas().length > 0 ? "" : "hidden")}>
-          <div class="flex flex-wrap gap-5">
+          <div class="flex flex-wrap gap-5 mb-5">
             <div
               class={
                 (lastHistori()?.selesai == false
@@ -239,6 +258,16 @@ export default function () {
               </div>
             </div>
           </div>
+          <div class="bg-white rounded p-5 shadow mb-5">
+            Terjadi kesalahan dan ingin membatalkan fermentasi? Klik di{" "}
+            <a
+              href="javascript:void(0);"
+              class="text-blue-500"
+              onClick={cancelFermentasi}
+            >
+              sini
+            </a>
+          </div>
           <div class="bg-white rounded shadow p-5">
             <div class="text-xl">Grafik Kadar Gas</div>
             <canvas ref={canvas} style={{ "max-height": "400px" }}></canvas>