diff --git a/projects/app/src/pageComponents/app/detail/Publish/Wecom/WecomEditModal.tsx b/projects/app/src/pageComponents/app/detail/Publish/Wecom/WecomEditModal.tsx
index 936d6bd19..a047b7992 100644
--- a/projects/app/src/pageComponents/app/detail/Publish/Wecom/WecomEditModal.tsx
+++ b/projects/app/src/pageComponents/app/detail/Publish/Wecom/WecomEditModal.tsx
@@ -188,10 +188,7 @@ const WecomEditModal = ({
                 <Flex>
                   {feConfigs?.docUrl && (
                     <Link
-                      href={
-                        feConfigs.openAPIDocUrl ||
-                        getDocPath('/docs/use-cases/external-integration/wecom')
-                      }
+                      href={getDocPath('/docs/use-cases/external-integration/wecom')}
                       target={'_blank'}
                       ml={2}
                       color={'primary.500'}
@@ -232,6 +229,8 @@ const WecomEditModal = ({
             <ShareLinkContainer
               shareLink={`${baseUrl}/support/outLink/wecom/${shareId}`}
               img="/imgs/outlink/wecom-copylink-instruction.png"
+              defaultDomain={false}
+              showCustomDomainSelector={true}
             ></ShareLinkContainer>
           </Box>
         )}
diff --git a/projects/app/src/pageComponents/app/detail/Publish/Wecom/index.tsx b/projects/app/src/pageComponents/app/detail/Publish/Wecom/index.tsx
index 46e35b49d..5f36f2886 100644
--- a/projects/app/src/pageComponents/app/detail/Publish/Wecom/index.tsx
+++ b/projects/app/src/pageComponents/app/detail/Publish/Wecom/index.tsx
@@ -27,6 +27,8 @@ import dynamic from 'next/dynamic';
 import MyMenu from '@fastgpt/web/components/common/MyMenu';
 import EmptyTip from '@fastgpt/web/components/common/EmptyTip';
 import { useRequest2 } from '@fastgpt/web/hooks/useRequest';
+import { getDocPath } from '@/web/common/system/doc';
+import { listCustomDomain } from '@/web/support/customDomain/api';
 
 const WecomEditModal = dynamic(() => import('./WecomEditModal'));
 const ShowShareLinkModal = dynamic(() => import('../components/showShareLinkModal'));
@@ -59,22 +61,44 @@ const Wecom = ({ appId }: { appId: string }) => {
 
   const [showShareLink, setShowShareLink] = useState<string | null>(null);
 
+  const { data: customDomains = [] } = useRequest2(listCustomDomain, {
+    manual: false
+  });
+
   return (
     <Box position={'relative'} pt={3} px={5} minH={'50vh'}>
       <Flex justifyContent={'space-between'} flexDirection="row">
-        <Box fontWeight={'bold'} fontSize={['md', 'lg']}>
-          {t('publish:wecom.title')}
-        </Box>
+        <Flex alignItems={'center'}>
+          <Box fontWeight={'bold'} fontSize={['md', 'lg']}>
+            {t('publish:wecom.title')}
+          </Box>
+          {feConfigs?.docUrl && (
+            <Link
+              href={getDocPath('/docs/use-cases/external-integration/wecom')}
+              target={'_blank'}
+              ml={2}
+              color={'primary.500'}
+              fontSize={'sm'}
+            >
+              <Flex alignItems={'center'}>
+                <MyIcon name="book" w={'17px'} h={'17px'} mr="1" />
+                {t('common:read_doc')}
+              </Flex>
+            </Link>
+          )}
+        </Flex>
         <Flex gap={3}>
-          <Button
-            variant={'whitePrimary'}
-            size={['sm', 'md']}
-            onClick={() => {
-              window.open('/account/customDomain', '_blank');
-            }}
-          >
-            {t('publish:custom_domain_management')}
-          </Button>
+          {feConfigs.customDomain?.enable && (
+            <Button
+              variant={'whitePrimary'}
+              size={['sm', 'md']}
+              onClick={() => {
+                window.open('/account/customDomain', '_blank');
+              }}
+            >
+              {t('publish:custom_domain_management')}
+            </Button>
+          )}
           <Button
             variant={'primary'}
             colorScheme={'blue'}
@@ -222,22 +246,25 @@ const Wecom = ({ appId }: { appId: string }) => {
       )}
       {shareChatList.length === 0 && !isFetching && (
         <EmptyTip
-          text={
-            <Trans
-              i18nKey="app:publish_channel.wecom.empty"
-              components={{
-                a: (
-                  <Link
-                    color="primary.600"
-                    key="link"
-                    href="/account/customDomain"
-                    target="_blank"
-                    rel="noopener noreferrer"
-                  />
-                )
-              }}
-            />
-          }
+          {...(feConfigs.customDomain?.enable &&
+            customDomains.length > 0 && {
+              text: (
+                <Trans
+                  i18nKey="app:publish_channel.wecom.empty"
+                  components={{
+                    a: (
+                      <Link
+                        color="primary.600"
+                        key="link"
+                        href="/account/customDomain"
+                        target="_blank"
+                        rel="noopener noreferrer"
+                      />
+                    )
+                  }}
+                />
+              )
+            })}
         ></EmptyTip>
       )}
       <Loading loading={isFetching} fixed={false} />
@@ -246,6 +273,8 @@ const Wecom = ({ appId }: { appId: string }) => {
           shareLink={showShareLink ?? ''}
           onClose={closeShowShareLinkModal}
           img="/imgs/outlink/wecom-copylink-instruction.png"
+          defaultDomain={false}
+          showCustomDomainSelector={true}
         />
       )}
     </Box>
diff --git a/projects/app/src/pageComponents/app/detail/Publish/components/showShareLinkModal.tsx b/projects/app/src/pageComponents/app/detail/Publish/components/showShareLinkModal.tsx
index 272aad36f..27412b1ae 100644
--- a/projects/app/src/pageComponents/app/detail/Publish/components/showShareLinkModal.tsx
+++ b/projects/app/src/pageComponents/app/detail/Publish/components/showShareLinkModal.tsx
@@ -7,22 +7,34 @@ import MyImage from '@fastgpt/web/components/common/Image/MyImage';
 import { useSystemStore } from '@/web/common/system/useSystemStore';
 import { useRequest2 } from '@fastgpt/web/hooks/useRequest';
 import { listCustomDomain } from '@/web/support/customDomain/api';
-import { useState, useMemo } from 'react';
+import { useState, useMemo, useEffect } from 'react';
 import MySelect from '@fastgpt/web/components/common/MySelect';
 
 export type ShowShareLinkModalProps = {
   shareLink: string;
   onClose: () => void;
   img: string;
+  defaultDomain?: boolean;
+  showCustomDomainSelector?: boolean;
 };
 
-export const ShareLinkContainer = ({ shareLink, img }: { shareLink: string; img: string }) => {
+export const ShareLinkContainer = ({
+  shareLink,
+  img,
+  defaultDomain = true,
+  showCustomDomainSelector = false
+}: {
+  shareLink: string;
+  img: string;
+  defaultDomain?: boolean;
+  showCustomDomainSelector?: boolean;
+}) => {
   const { copyData } = useCopyData();
   const { t } = useTranslation();
   const [customDomain, setCustomDomain] = useState<string | undefined>(undefined);
 
   const { data: customDomainList = [] } = useRequest2(listCustomDomain, {
-    manual: false
+    manual: !showCustomDomainSelector
   });
 
   // 从 shareLink 中提取原始域名
@@ -45,9 +57,9 @@ export const ShareLinkContainer = ({ shareLink, img }: { shareLink: string; img:
 
   // 处理域名选择选项
   const domainOptions = useMemo(() => {
-    const options = [
+    const defaultOption = [
       {
-        label: t('publish:use_default_domain') || '使用默认域名',
+        label: t('publish:use_default_domain'),
         value: ''
       }
     ];
@@ -60,12 +72,22 @@ export const ShareLinkContainer = ({ shareLink, img }: { shareLink: string; img:
         value: item.domain
       }));
 
-    return [...options, ...activeDomains];
-  }, [customDomainList, t]);
+    return activeDomains.length === 0
+      ? [...defaultOption]
+      : [...(defaultDomain ? defaultOption : []), ...activeDomains];
+  }, [customDomainList, defaultDomain, t]);
+
+  // 当 defaultDomain=false 时，自动选择第一个自定义域名
+  useEffect(() => {
+    if (!defaultDomain && domainOptions.length > 0 && customDomain === undefined) {
+      setCustomDomain(domainOptions[0].value || undefined);
+    }
+  }, [defaultDomain, domainOptions, customDomain]);
+
   return (
     <>
       {/* 自定义域名选择器 */}
-      {domainOptions.length > 1 && (
+      {showCustomDomainSelector && domainOptions.length > 1 && (
         <Box mb={4}>
           <MySelect
             value={customDomain || ''}
@@ -129,13 +151,24 @@ export const ShareLinkContainer = ({ shareLink, img }: { shareLink: string; img:
   );
 };
 
-function ShowShareLinkModal({ shareLink, onClose, img }: ShowShareLinkModalProps) {
+function ShowShareLinkModal({
+  shareLink,
+  onClose,
+  img,
+  defaultDomain,
+  showCustomDomainSelector
+}: ShowShareLinkModalProps) {
   const { t } = useTranslation();
 
   return (
     <MyModal onClose={onClose} title={t('publish:show_share_link_modal_title')}>
       <ModalBody>
-        <ShareLinkContainer shareLink={shareLink} img={img} />
+        <ShareLinkContainer
+          shareLink={shareLink}
+          img={img}
+          defaultDomain={defaultDomain}
+          showCustomDomainSelector={showCustomDomainSelector}
+        />
       </ModalBody>
     </MyModal>
   );