diff --git a/exporter/stat.ink.ts b/exporter/stat.ink.ts
index 198cddd..dfc668e 100644
--- a/exporter/stat.ink.ts
+++ b/exporter/stat.ink.ts
@@ -70,7 +70,7 @@ export class StatInkExporter implements BattleExporter<VsHistoryDetail> {
     };
   }
   async exportBattle(detail: VsHistoryDetail) {
-    const body = this.mapBattle(detail);
+    const body = await this.mapBattle(detail);
 
     const resp = await fetch("https://stat.ink/api/v3/battle", {
       method: "POST",
@@ -81,17 +81,18 @@ export class StatInkExporter implements BattleExporter<VsHistoryDetail> {
       body: msgpack.encode(body),
     });
 
+    const json: {
+      error?: unknown;
+    } = await resp.json().catch(() => ({}));
+
     if (resp.status !== 200 && resp.status !== 201) {
       throw new APIError({
         response: resp,
         message: "Failed to export battle",
+        json,
       });
     }
 
-    const json: {
-      error?: unknown;
-    } = await resp.json();
-
     if (json.error) {
       throw new APIError({
         response: resp,
@@ -198,7 +199,6 @@ export class StatInkExporter implements BattleExporter<VsHistoryDetail> {
     const startedAt = Math.floor(new Date(playedTime).getTime() / 1000);
 
     const result: StatInkPostBody = {
-      test: "yes",
       uuid: await battleId(vsDetail.id),
       lobby: this.mapLobby(vsDetail),
       rule: SPLATNET3_STATINK_MAP.RULE[vsDetail.vsRule.rule],
@@ -218,7 +218,7 @@ export class StatInkExporter implements BattleExporter<VsHistoryDetail> {
 
       agent: AGENT_NAME,
       agent_version: S3SI_VERSION,
-      agent_variables: {},
+      agent_variables: undefined,
       automated: "yes",
       start_at: startedAt,
       end_at: startedAt + vsDetail.duration,
@@ -231,6 +231,8 @@ export class StatInkExporter implements BattleExporter<VsHistoryDetail> {
       result.kill_or_assist = self.result.kill;
       result.assist = self.result.assist;
       result.kill = result.kill_or_assist - result.assist;
+      result.death = self.result.death;
+      result.special = self.result.special;
     }
 
     if (mode === "FEST") {
diff --git a/s3si.ts b/s3si.ts
index 3400968..51e41df 100644
--- a/s3si.ts
+++ b/s3si.ts
@@ -272,12 +272,14 @@ Options:
       });
     };
 
-    onStep?.({
-      current: exported,
-      total: workQueue.length,
-    });
-    for (const battle of workQueue) {
-      await step(battle);
+    if (workQueue.length > 0) {
+      onStep?.({
+        current: exported,
+        total: workQueue.length,
+      });
+      for (const battle of workQueue) {
+        await step(battle);
+      }
     }
 
     return exported;
diff --git a/scripts/delete.ts b/scripts/delete.ts
new file mode 100644
index 0000000..bba793a
--- /dev/null
+++ b/scripts/delete.ts
@@ -0,0 +1,20 @@
+import { USERAGENT } from "../constant.ts";
+
+const [key, ...uuids] = Deno.args;
+if (!key || uuids.length === 0) {
+  console.log("Usage: delete.ts <key> <uuid> <uuid...>");
+  Deno.exit(1);
+}
+
+for (const uuid of uuids) {
+  console.log("Deleting", uuid);
+  const resp = await fetch(`https://stat.ink/api/v3/battle/${uuid}`, {
+    method: "DELETE",
+    headers: {
+      "Authorization": `Bearer ${key}`,
+      "User-Agent": USERAGENT,
+    },
+  });
+
+  console.log(resp.status);
+}
diff --git a/types.ts b/types.ts
index 0cb0272..c82a573 100644
--- a/types.ts
+++ b/types.ts
@@ -196,7 +196,7 @@ export type StatInkStage = {
 }[];
 
 export type StatInkPostBody = {
-  test: "yes" | "no";
+  test?: "yes" | "no";
   uuid: string;
   lobby:
     | "regular"
@@ -254,7 +254,7 @@ export type StatInkPostBody = {
 
   agent: string;
   agent_version: string;
-  agent_variables: Record<string, string>;
+  agent_variables?: Record<string, string>;
   automated: "yes";
   start_at: number; // the battle starts at e.g. 1599577200
   end_at: number;