diff --git a/app/src/components/admin/ChargeWidget.tsx b/app/src/components/admin/ChargeWidget.tsx
index 1124a8b..3927412 100644
--- a/app/src/components/admin/ChargeWidget.tsx
+++ b/app/src/components/admin/ChargeWidget.tsx
@@ -18,6 +18,7 @@ import {
   Eraser,
   EyeOff,
   Minus,
+  PencilLine,
   Plus,
   RotateCw,
   Search,
@@ -350,8 +351,17 @@ function ChargeEditor({
           onClick={post}
           className={`whitespace-nowrap shrink-0`}
         >
-          <Plus className={`w-4 h-4 mr-2`} />
-          {t("admin.charge.add-rule")}
+          {form.id === -1 ? (
+            <>
+              <Plus className={`w-4 h-4 mr-2`} />
+              {t("admin.charge.add-rule")}
+            </>
+          ) : (
+            <>
+              <PencilLine className={`w-4 h-4 mr-2`} />
+              {t("admin.charge.update-rule")}
+            </>
+          )}
         </Button>
       </div>
     </div>
diff --git a/app/src/components/admin/assemblies/ChannelEditor.tsx b/app/src/components/admin/assemblies/ChannelEditor.tsx
index 1f38026..8f07afb 100644
--- a/app/src/components/admin/assemblies/ChannelEditor.tsx
+++ b/app/src/components/admin/assemblies/ChannelEditor.tsx
@@ -21,7 +21,7 @@ import { Button } from "@/components/ui/button.tsx";
 import { useTranslation } from "react-i18next";
 import { useMemo, useReducer, useState } from "react";
 import Required from "@/components/Require.tsx";
-import { X } from "lucide-react";
+import { Search, X } from "lucide-react";
 import {
   DropdownMenu,
   DropdownMenuContent,
@@ -285,7 +285,10 @@ function ChannelEditor({ display, id, setEnabled }: ChannelEditorProps) {
             <div className={`channel-model-action mt-4`}>
               <DropdownMenu>
                 <DropdownMenuTrigger asChild>
-                  <Button>{t("admin.channels.add-model")}</Button>
+                  <Button>
+                    <Search className={`h-4 w-4 mr-2`} />
+                    {t("admin.channels.add-model")}
+                  </Button>
                 </DropdownMenuTrigger>
                 <DropdownMenuContent align={`start`} asChild>
                   <Command>
diff --git a/app/src/conf.ts b/app/src/conf.ts
index 235677e..19900a6 100644
--- a/app/src/conf.ts
+++ b/app/src/conf.ts
@@ -365,10 +365,7 @@ export const planModels: PlanModel[] = [
   { id: "midjourney-fast", level: 2 },
 ];
 
-export const expensiveModels = [
-  "midjourney-turbo",
-  "gpt-4-32k-0613",
-];
+export const expensiveModels = ["midjourney-turbo", "gpt-4-32k-0613"];
 
 export const modelAvatars: Record<string, string> = {
   "gpt-3.5-turbo-0613": "gpt35turbo.png",
diff --git a/app/src/i18n.ts b/app/src/i18n.ts
index 6adcde6..27b0850 100644
--- a/app/src/i18n.ts
+++ b/app/src/i18n.ts
@@ -420,6 +420,7 @@ const resources = {
           "input-count": "输入点数",
           "output-count": "输出点数",
           "add-rule": "添加规则",
+          "update-rule": "更新规则",
         },
       },
       mask: {
@@ -843,6 +844,25 @@ const resources = {
           "add-model": "Add Model",
           "clear-models": "Clear All Models",
         },
+        charge: {
+          id: "ID",
+          type: "Type",
+          model: "Model",
+          quota: "Quota",
+          action: "Action",
+          input: "Input",
+          output: "Output",
+          "support-anonymous": "Support Anonymous",
+          "non-billing": "Non Billing",
+          "times-billing": "Times Billing",
+          "token-billing": "Token Billing",
+          anonymous: "Support Anonymous Call",
+          "time-count": "Single Request Quota",
+          "input-count": "Input Quota",
+          "output-count": "Output Quota",
+          "add-rule": "Add Rule",
+          "update-rule": "Update Rule",
+        },
       },
       mask: {
         title: "Mask Settings",
@@ -1268,6 +1288,25 @@ const resources = {
           "add-model": "Добавить модель",
           "clear-models": "Очистить все модели",
         },
+        charge: {
+          id: "ID",
+          type: "Тип",
+          model: "Модель",
+          quota: "Квота",
+          action: "Действие",
+          input: "Вход",
+          output: "Выход",
+          "support-anonymous": "Поддержка анонимных вызовов",
+          "non-billing": "Не тарифицируется",
+          "times-billing": "Тарификация по времени",
+          "token-billing": "Тарификация по токену",
+          anonymous: "Поддержка анонимных вызовов",
+          "time-count": "Квота одного запроса",
+          "input-count": "Квота входа",
+          "output-count": "Квота выхода",
+          "add-rule": "Добавить правило",
+          "update-rule": "Обновить правило",
+        },
       },
       mask: {
         title: "Настройки маски",
diff --git a/utils/net.go b/utils/net.go
index e5da6ff..9418b18 100644
--- a/utils/net.go
+++ b/utils/net.go
@@ -2,6 +2,7 @@ package utils
 
 import (
 	"bytes"
+	"chat/globals"
 	"crypto/tls"
 	"fmt"
 	"github.com/goccy/go-json"
@@ -105,6 +106,13 @@ func PostForm(uri string, body map[string]interface{}) (data map[string]interfac
 }
 
 func EventSource(method string, uri string, headers map[string]string, body interface{}, callback func(string) error) error {
+	// panic recovery
+	defer func() {
+		if err := recover(); err != nil {
+			globals.Warn(fmt.Sprintf("event source panic: %s (uri: %s, method: %s)", err, uri, method))
+		}
+	}()
+
 	http.DefaultTransport.(*http.Transport).TLSClientConfig = &tls.Config{InsecureSkipVerify: true}
 
 	client := &http.Client{}
@@ -120,11 +128,13 @@ func EventSource(method string, uri string, headers map[string]string, body inte
 	if err != nil {
 		return err
 	}
+
+	defer res.Body.Close()
+
 	if res.StatusCode >= 400 {
 		return fmt.Errorf("request failed with status: %s", res.Status)
 	}
 
-	defer res.Body.Close()
 	for {
 		buf := make([]byte, 20480)
 		n, err := res.Body.Read(buf)