diff --git a/src/renderer/components/AddProviderModal.css b/src/renderer/components/AddProviderModal.css
index 5ffbedb..6e3ff37 100644
--- a/src/renderer/components/AddProviderModal.css
+++ b/src/renderer/components/AddProviderModal.css
@@ -149,4 +149,34 @@
   color: #7f8c8d;
   font-size: 0.8rem;
   line-height: 1.3;
+}
+
+/* 添加标签和选择框的样式 */
+.label-with-checkbox {
+  display: flex;
+  justify-content: space-between;
+  align-items: baseline;
+  margin-bottom: 0.5rem;
+}
+
+.label-with-checkbox label:first-child {
+  margin-bottom: 0;
+}
+
+.checkbox-label {
+  display: flex;
+  align-items: center;
+  gap: 0.3rem;
+  font-size: 0.85rem;
+  color: #666;
+  font-weight: normal;
+  margin-bottom: 0;
+  cursor: pointer;
+}
+
+.checkbox-label input[type="checkbox"] {
+  width: auto;
+  margin: 2px;
+  cursor: pointer;
+  transform: translateY(2px);
 }
\ No newline at end of file
diff --git a/src/renderer/components/AddProviderModal.tsx b/src/renderer/components/AddProviderModal.tsx
index 08a86bd..5c6a478 100644
--- a/src/renderer/components/AddProviderModal.tsx
+++ b/src/renderer/components/AddProviderModal.tsx
@@ -1,5 +1,6 @@
 import React, { useState } from "react";
 import { Provider } from "../../shared/types";
+import { updateCoAuthoredSetting, checkCoAuthoredSetting, extractWebsiteUrl } from "../utils/providerConfigUtils";
 import "./AddProviderModal.css";
 
 interface AddProviderModalProps {
@@ -17,6 +18,7 @@ const AddProviderModal: React.FC<AddProviderModalProps> = ({
     settingsConfig: ""
   });
   const [error, setError] = useState("");
+  const [disableCoAuthored, setDisableCoAuthored] = useState(false);
 
   // 预设的供应商配置模板
   const presets = [
@@ -82,22 +84,6 @@ const AddProviderModal: React.FC<AddProviderModalProps> = ({
     });
   };
 
-  // 从JSON配置中提取并处理官网地址
-  const extractWebsiteUrl = (jsonString: string): string => {
-    try {
-      const config = JSON.parse(jsonString);
-      const baseUrl = config?.env?.ANTHROPIC_BASE_URL;
-      
-      if (baseUrl && typeof baseUrl === 'string') {
-        // 去掉 "api." 前缀
-        return baseUrl.replace(/^https?:\/\/api\./, 'https://');
-      }
-    } catch (err) {
-      // 忽略JSON解析错误
-    }
-    return '';
-  };
-
   const handleChange = (
     e: React.ChangeEvent<HTMLInputElement | HTMLTextAreaElement>
   ) => {
@@ -107,6 +93,10 @@ const AddProviderModal: React.FC<AddProviderModalProps> = ({
       // 当用户修改配置时，尝试自动提取官网地址
       const extractedWebsiteUrl = extractWebsiteUrl(value);
       
+      // 同时检查并同步选择框状态
+      const hasCoAuthoredDisabled = checkCoAuthoredSetting(value);
+      setDisableCoAuthored(hasCoAuthoredDisabled);
+      
       setFormData({
         ...formData,
         [name]: value,
@@ -121,12 +111,30 @@ const AddProviderModal: React.FC<AddProviderModalProps> = ({
     }
   };
 
+  // 处理选择框变化
+  const handleCoAuthoredToggle = (checked: boolean) => {
+    setDisableCoAuthored(checked);
+    
+    // 更新JSON配置
+    const updatedConfig = updateCoAuthoredSetting(formData.settingsConfig, checked);
+    setFormData({
+      ...formData,
+      settingsConfig: updatedConfig,
+    });
+  };
+
   const applyPreset = (preset: typeof presets[0]) => {
+    const configString = JSON.stringify(preset.settingsConfig, null, 2);
+    
     setFormData({
       name: preset.name,
       websiteUrl: preset.websiteUrl,
-      settingsConfig: JSON.stringify(preset.settingsConfig, null, 2)
+      settingsConfig: configString
     });
+    
+    // 同步选择框状态
+    const hasCoAuthoredDisabled = checkCoAuthoredSetting(configString);
+    setDisableCoAuthored(hasCoAuthoredDisabled);
   };
 
   return (
@@ -179,7 +187,17 @@ const AddProviderModal: React.FC<AddProviderModalProps> = ({
           </div>
 
           <div className="form-group">
-            <label htmlFor="settingsConfig">Claude Code 配置 (JSON) *</label>
+            <div className="label-with-checkbox">
+              <label htmlFor="settingsConfig">Claude Code 配置 (JSON) *</label>
+              <label className="checkbox-label">
+                <input
+                  type="checkbox"
+                  checked={disableCoAuthored}
+                  onChange={(e) => handleCoAuthoredToggle(e.target.checked)}
+                />
+                禁止 Claude Code 签名
+              </label>
+            </div>
             <textarea
               id="settingsConfig"
               name="settingsConfig"
diff --git a/src/renderer/components/EditProviderModal.tsx b/src/renderer/components/EditProviderModal.tsx
index 7d1f738..bad4581 100644
--- a/src/renderer/components/EditProviderModal.tsx
+++ b/src/renderer/components/EditProviderModal.tsx
@@ -1,5 +1,6 @@
 import React, { useState, useEffect } from 'react'
 import { Provider } from '../../shared/types'
+import { updateCoAuthoredSetting, checkCoAuthoredSetting, extractWebsiteUrl } from '../utils/providerConfigUtils'
 import './AddProviderModal.css'
 
 interface EditProviderModalProps {
@@ -15,14 +16,20 @@ const EditProviderModal: React.FC<EditProviderModalProps> = ({ provider, onSave,
     settingsConfig: JSON.stringify(provider.settingsConfig, null, 2)
   })
   const [error, setError] = useState('')
+  const [disableCoAuthored, setDisableCoAuthored] = useState(false)
 
   // 初始化时更新表单数据
   useEffect(() => {
+    const configString = JSON.stringify(provider.settingsConfig, null, 2)
     setFormData({
       name: provider.name,
       websiteUrl: provider.websiteUrl || '',
-      settingsConfig: JSON.stringify(provider.settingsConfig, null, 2)
+      settingsConfig: configString
     })
+    
+    // 同步选择框状态
+    const hasCoAuthoredDisabled = checkCoAuthoredSetting(configString)
+    setDisableCoAuthored(hasCoAuthoredDisabled)
   }, [provider])
 
   const handleSubmit = (e: React.FormEvent) => {
@@ -58,9 +65,38 @@ const EditProviderModal: React.FC<EditProviderModalProps> = ({ provider, onSave,
 
   const handleChange = (e: React.ChangeEvent<HTMLInputElement | HTMLTextAreaElement>) => {
     const { name, value } = e.target
+    
+    if (name === 'settingsConfig') {
+      // 当用户修改配置时，尝试自动提取官网地址
+      const extractedWebsiteUrl = extractWebsiteUrl(value)
+      
+      // 同时检查并同步选择框状态
+      const hasCoAuthoredDisabled = checkCoAuthoredSetting(value)
+      setDisableCoAuthored(hasCoAuthoredDisabled)
+      
+      setFormData({
+        ...formData,
+        [name]: value,
+        // 只有在官网地址为空时才自动填入
+        websiteUrl: formData.websiteUrl || extractedWebsiteUrl,
+      })
+    } else {
+      setFormData({
+        ...formData,
+        [name]: value
+      })
+    }
+  }
+
+  // 处理选择框变化
+  const handleCoAuthoredToggle = (checked: boolean) => {
+    setDisableCoAuthored(checked)
+    
+    // 更新JSON配置
+    const updatedConfig = updateCoAuthoredSetting(formData.settingsConfig, checked)
     setFormData({
       ...formData,
-      [name]: value
+      settingsConfig: updatedConfig,
     })
   }
 
@@ -104,7 +140,17 @@ const EditProviderModal: React.FC<EditProviderModalProps> = ({ provider, onSave,
           </div>
 
           <div className="form-group">
-            <label htmlFor="settingsConfig">Claude Code 配置 (JSON) *</label>
+            <div className="label-with-checkbox">
+              <label htmlFor="settingsConfig">Claude Code 配置 (JSON) *</label>
+              <label className="checkbox-label">
+                <input
+                  type="checkbox"
+                  checked={disableCoAuthored}
+                  onChange={(e) => handleCoAuthoredToggle(e.target.checked)}
+                />
+                禁止 Claude Code 签名
+              </label>
+            </div>
             <textarea
               id="settingsConfig"
               name="settingsConfig"
diff --git a/src/renderer/utils/providerConfigUtils.ts b/src/renderer/utils/providerConfigUtils.ts
new file mode 100644
index 0000000..b18493d
--- /dev/null
+++ b/src/renderer/utils/providerConfigUtils.ts
@@ -0,0 +1,47 @@
+// 供应商配置处理工具函数
+
+// 处理includeCoAuthoredBy字段的添加/删除
+export const updateCoAuthoredSetting = (jsonString: string, disable: boolean): string => {
+  try {
+    const config = JSON.parse(jsonString)
+    
+    if (disable) {
+      // 添加或更新includeCoAuthoredBy字段
+      config.includeCoAuthoredBy = false
+    } else {
+      // 删除includeCoAuthoredBy字段
+      delete config.includeCoAuthoredBy
+    }
+    
+    return JSON.stringify(config, null, 2)
+  } catch (err) {
+    // 如果JSON解析失败，返回原始字符串
+    return jsonString
+  }
+}
+
+// 从JSON配置中检查是否包含includeCoAuthoredBy设置
+export const checkCoAuthoredSetting = (jsonString: string): boolean => {
+  try {
+    const config = JSON.parse(jsonString)
+    return config.includeCoAuthoredBy === false
+  } catch (err) {
+    return false
+  }
+}
+
+// 从JSON配置中提取并处理官网地址
+export const extractWebsiteUrl = (jsonString: string): string => {
+  try {
+    const config = JSON.parse(jsonString)
+    const baseUrl = config?.env?.ANTHROPIC_BASE_URL
+    
+    if (baseUrl && typeof baseUrl === 'string') {
+      // 去掉 "api." 前缀
+      return baseUrl.replace(/^https?:\/\/api\./, 'https://')
+    }
+  } catch (err) {
+    // 忽略JSON解析错误
+  }
+  return ''
+}
\ No newline at end of file