diff --git a/apps/renderer/src/modules/discover/form.tsx b/apps/renderer/src/modules/discover/form.tsx
index 11d3c36e5..235dcde3c 100644
--- a/apps/renderer/src/modules/discover/form.tsx
+++ b/apps/renderer/src/modules/discover/form.tsx
@@ -196,7 +196,7 @@ export function DiscoverForm({ type = "search" }: { type?: string }) {
       <Form {...form}>
         <form
           onSubmit={form.handleSubmit(onSubmit)}
-          className="w-[512px] space-y-8"
+          className="w-[540px] space-y-8"
           data-testid="discover-form"
         >
           <FormField
diff --git a/apps/renderer/src/modules/discover/import.tsx b/apps/renderer/src/modules/discover/import.tsx
index d3c59e52e..2c1d3dd15 100644
--- a/apps/renderer/src/modules/discover/import.tsx
+++ b/apps/renderer/src/modules/discover/import.tsx
@@ -100,7 +100,7 @@ export function DiscoverImport() {
   return (
     <>
       <Form {...form}>
-        <form onSubmit={form.handleSubmit(onSubmit)} className="w-[512px] space-y-8">
+        <form onSubmit={form.handleSubmit(onSubmit)} className="w-[540px] space-y-8">
           <FormField
             control={form.control}
             name="file"
diff --git a/apps/renderer/src/modules/discover/inbox-list-form.tsx b/apps/renderer/src/modules/discover/inbox-list-form.tsx
index 2c4342841..3d02764e4 100644
--- a/apps/renderer/src/modules/discover/inbox-list-form.tsx
+++ b/apps/renderer/src/modules/discover/inbox-list-form.tsx
@@ -162,7 +162,7 @@ const ConfirmDestroyModalContent = ({ id, onSuccess }: { id: string; onSuccess:
   })
 
   return (
-    <div className="w-[512px]">
+    <div className="w-[540px]">
       <div className="mb-4">
         <i className="i-mingcute-warning-fill -mb-1 mr-1 size-5 text-red-500" />
         {t("discover.inbox_destroy_warning")}
diff --git a/apps/renderer/src/modules/discover/rss3-form.tsx b/apps/renderer/src/modules/discover/rss3-form.tsx
index 6b190fee4..1e9b5ff5f 100644
--- a/apps/renderer/src/modules/discover/rss3-form.tsx
+++ b/apps/renderer/src/modules/discover/rss3-form.tsx
@@ -29,7 +29,7 @@ export function DiscoverRSS3() {
   return (
     <>
       {data?.rss3.routes && (
-        <div className="w-[512px]">
+        <div className="w-[540px]">
           <DiscoverFeedForm
             routePrefix="rss3"
             route={data.rss3.routes[Object.keys(data.rss3.routes)[0]]}
diff --git a/apps/renderer/src/modules/discover/transform-form.tsx b/apps/renderer/src/modules/discover/transform-form.tsx
index 1c1f9ae99..3b8aa864d 100644
--- a/apps/renderer/src/modules/discover/transform-form.tsx
+++ b/apps/renderer/src/modules/discover/transform-form.tsx
@@ -37,6 +37,10 @@ const transformRouteParams: RouteParams = {
     description: "The attributes of pubDate element as pubDate",
     default: "Element html",
   },
+  itemContent: {
+    description:
+      "The HTML elements as description in item using CSS selector ( in itemLink page for full content )",
+  },
 }
 
 export function DiscoverTransform() {
@@ -62,7 +66,7 @@ export function DiscoverTransform() {
   return (
     <>
       {data?.rsshub.routes && (
-        <div className="w-[512px]">
+        <div className="w-[540px]">
           <DiscoverFeedForm
             routePrefix="rsshub"
             route={data?.rsshub.routes["/transform/html/:url/:routeParams"]}
diff --git a/apps/renderer/src/modules/discover/user-form.tsx b/apps/renderer/src/modules/discover/user-form.tsx
index fe380284a..4908f49f3 100644
--- a/apps/renderer/src/modules/discover/user-form.tsx
+++ b/apps/renderer/src/modules/discover/user-form.tsx
@@ -27,7 +27,7 @@ export function DiscoverUser() {
   return (
     <>
       {data?.follow.routes && (
-        <div className="w-[512px]">
+        <div className="w-[540px]">
           <DiscoverFeedForm
             routePrefix="follow"
             route={data.follow.routes[Object.keys(data.follow.routes)[0]]}