diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5f4b824..3a892b8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,9 @@
+## 0.1.28
+
+fix: allow random weapon
+
+feat: save pathname of image in file exporter
+
 ## 0.1.27
 
 fix: export error when disconnected
diff --git a/src/constant.ts b/src/constant.ts
index 391158d..faa46ee 100644
--- a/src/constant.ts
+++ b/src/constant.ts
@@ -1,7 +1,7 @@
 import type { StatInkPostBody, VsHistoryDetail } from "./types.ts";
 
 export const AGENT_NAME = "s3si.ts";
-export const S3SI_VERSION = "0.1.27";
+export const S3SI_VERSION = "0.1.28";
 export const NSOAPP_VERSION = "2.3.1";
 export const WEB_VIEW_VERSION = "1.0.0-433ec0e8";
 export const S3SI_LINK = "https://github.com/spacemeowx2/s3si.ts";
diff --git a/src/exporters/file.ts b/src/exporters/file.ts
index 67ba65d..5803a02 100644
--- a/src/exporters/file.ts
+++ b/src/exporters/file.ts
@@ -1,7 +1,7 @@
 import { CoopInfo, GameExporter, VsInfo } from "../types.ts";
 import { path } from "../../deps.ts";
 import { NSOAPP_VERSION, S3SI_VERSION } from "../constant.ts";
-import { parseHistoryDetailId } from "../utils.ts";
+import { parseHistoryDetailId, urlSimplify } from "../utils.ts";
 
 export type FileExporterType = {
   type: "VS" | "COOP";
@@ -15,9 +15,11 @@ export type FileExporterType = {
  * Don't save url in exported file
  */
 function replacer(key: string, value: unknown): unknown {
-  return ["url", "maskImageUrl", "overlayImageUrl"].includes(key)
-    ? undefined
-    : value;
+  if (!["url", "maskImageUrl", "overlayImageUrl"].includes(key)) {
+    return value;
+  }
+
+  return typeof value === "string" ? urlSimplify(value) : undefined;
 }
 
 /**
diff --git a/src/exporters/stat.ink.ts b/src/exporters/stat.ink.ts
index 7c694c4..dd127b6 100644
--- a/src/exporters/stat.ink.ts
+++ b/src/exporters/stat.ink.ts
@@ -10,6 +10,7 @@ import {
   CoopInfo,
   Game,
   GameExporter,
+  Image,
   PlayerGear,
   StatInkAbility,
   StatInkCoopPlayer,
@@ -456,13 +457,23 @@ export class StatInkExporter implements GameExporter {
 
     return result;
   }
-  async mapCoopWeapon({ name }: { name: string }): Promise<string> {
+  isRandomWeapon(image: Image | null): boolean {
+    return (image?.url.includes(
+      "473fffb2442075078d8bb7125744905abdeae651b6a5b7453ae295582e45f7d1",
+    )) ?? false;
+  }
+  async mapCoopWeapon(
+    { name, image }: { name: string; image: Image | null },
+  ): Promise<string | null> {
     const weaponMap = await this.api.getWeapon();
     const weapon =
       weaponMap.find((i) => Object.values(i.name).includes(name))?.key ??
         KEY_DICT.get(name);
 
     if (!weapon) {
+      if (this.isRandomWeapon(image)) {
+        return null;
+      }
       throw new Error(`Weapon not found: ${name}`);
     }
 
diff --git a/src/types.ts b/src/types.ts
index 06faf21..9132548 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -209,7 +209,7 @@ export type CoopHistoryPlayerResult = {
     };
     isMyself: boolean;
   };
-  weapons: { name: string }[];
+  weapons: { name: string; image: Image | null }[];
   specialWeapon: null | {
     name: string;
     id: string;
@@ -447,7 +447,7 @@ export type StatInkCoopPlayer = {
   splashtag_title: string | null;
   uniform?: "orange" | "green" | "yellow" | "pink" | "blue" | "black" | "white";
   special?: string;
-  weapons: string[];
+  weapons: (string | null)[];
   golden_eggs: number;
   golden_assist: number;
   power_eggs: number;
diff --git a/src/utils.ts b/src/utils.ts
index e0babf0..c224cfe 100644
--- a/src/utils.ts
+++ b/src/utils.ts
@@ -163,3 +163,16 @@ export function b64Number(id: string): number {
 export function nonNullable<T>(v: T | null | undefined): v is T {
   return v !== null && v !== undefined;
 }
+
+/**
+ * Only preserve the pathname of the URL
+ * @param url A url
+ */
+export function urlSimplify(url: string): { pathname: string } | string {
+  try {
+    const { pathname } = new URL(url);
+    return { pathname };
+  } catch (_e) {
+    return url;
+  }
+}