diff --git a/src/background/messages/makeRequest.ts b/src/background/messages/makeRequest.ts
index 7cc44fd..118c17a 100644
--- a/src/background/messages/makeRequest.ts
+++ b/src/background/messages/makeRequest.ts
@@ -2,19 +2,11 @@ import type { PlasmoMessaging } from '@plasmohq/messaging';
 
 import type { BaseRequest } from '~types/request';
 import type { BaseResponse } from '~types/response';
-import { setDynamicRules } from '~utils/declarativeNetRequest';
+import { removeDynamicRules, setDynamicRules } from '~utils/declarativeNetRequest';
 import { makeFullUrl } from '~utils/fetcher';
 import { assertDomainWhitelist } from '~utils/storage';
 
-type Body =
-  | {
-      bodyType: 'string';
-      value: string;
-    }
-  | {
-      bodyType: 'FormData' | 'URLSearchParams' | 'object';
-      value: Record<string, string>;
-    };
+const MAKE_REQUEST_DYNAMIC_RULE = 23498;
 
 export interface Request extends BaseRequest {
   baseUrl?: string;
@@ -23,7 +15,8 @@ export interface Request extends BaseRequest {
   query?: Record<string, string>;
   readHeaders?: Record<string, string>;
   url: string;
-  body?: Body;
+  body?: any;
+  bodyType: 'string' | 'FormData' | 'URLSearchParams' | 'object';
 }
 
 type Response<T> = BaseResponse<{
@@ -35,26 +28,26 @@ type Response<T> = BaseResponse<{
   };
 }>;
 
-const mapBodyToFetchBody = (body: Request['body']): BodyInit => {
-  if (body?.bodyType === 'FormData') {
+const mapBodyToFetchBody = (body: Request['body'], bodyType: Request['bodyType']): BodyInit => {
+  if (bodyType === 'FormData') {
     const formData = new FormData();
-    Object.entries(body.value).forEach(([key, value]) => {
-      formData.append(key, value);
+    Object.entries(body).forEach(([key, value]) => {
+      formData.append(key, value.toString());
     });
     return formData;
   }
-  if (body?.bodyType === 'URLSearchParams') {
+  if (bodyType === 'URLSearchParams') {
     const searchParams = new URLSearchParams();
-    Object.entries(body.value).forEach(([key, value]) => {
-      searchParams.set(key, value);
+    Object.entries(body).forEach(([key, value]) => {
+      searchParams.set(key, value.toString());
     });
     return searchParams;
   }
-  if (body?.bodyType === 'object') {
-    return JSON.stringify(body.value);
+  if (bodyType === 'object') {
+    return JSON.stringify(body);
   }
-  if (body?.bodyType === 'string') {
-    return body.value;
+  if (bodyType === 'string') {
+    return body;
   }
   return undefined;
 };
@@ -65,7 +58,7 @@ const handler: PlasmoMessaging.MessageHandler<Request, Response<any>> = async (r
 
     if (req.body.headers['User-Agent']) {
       await setDynamicRules({
-        ruleId: 23498,
+        ruleId: MAKE_REQUEST_DYNAMIC_RULE,
         targetDomains: [new URL(req.body.url).hostname],
         requestHeaders: {
           'User-Agent': req.body.headers['User-Agent'],
@@ -76,8 +69,9 @@ const handler: PlasmoMessaging.MessageHandler<Request, Response<any>> = async (r
     const response = await fetch(makeFullUrl(req.body.url, req.body), {
       method: req.body.method,
       headers: req.body.headers,
-      body: mapBodyToFetchBody(req.body.body),
+      body: mapBodyToFetchBody(req.body.body, req.body.bodyType),
     });
+    await removeDynamicRules([MAKE_REQUEST_DYNAMIC_RULE]);
     const contentType = response.headers.get('content-type');
     const body = contentType?.includes('application/json') ? await response.json() : await response.text();
 
diff --git a/src/utils/declarativeNetRequest.ts b/src/utils/declarativeNetRequest.ts
index 15be683..5dac227 100644
--- a/src/utils/declarativeNetRequest.ts
+++ b/src/utils/declarativeNetRequest.ts
@@ -108,3 +108,10 @@ export const setDynamicRules = async (body: DynamicRule) => {
     if (browser.runtime.lastError?.message) throw new Error(browser.runtime.lastError.message);
   }
 };
+
+export const removeDynamicRules = async (ruleIds: number[]) => {
+  await (chrome || browser).declarativeNetRequest.updateDynamicRules({
+    removeRuleIds: ruleIds,
+  });
+  if ((chrome || browser).runtime.lastError?.message) throw new Error((chrome || browser).runtime.lastError.message);
+};