Force KDocs QR fetch and improve login detection

admin-frontend/src/api/kdocs.js

@@ -5,8 +5,9 @@ export async function fetchKdocsStatus() {
   return data
 }
 
-export async function fetchKdocsQr() {
-  const { data } = await api.post('/kdocs/qr', {})
+export async function fetchKdocsQr(payload = {}) {
+  const body = { force: true, ...payload }
+  const { data } = await api.post('/kdocs/qr', body)
   return data
 }
 

admin-frontend/src/pages/SystemPage.vue

@@ -258,13 +258,13 @@ async function refreshKdocsStatus() {
 async function onFetchKdocsQr() {
   try {
     const res = await fetchKdocsQr()
-    if (res?.logged_in) {
-      ElMessage.success('当前已登录，无需扫码')
-      await refreshKdocsStatus()
-      return
-    }
     kdocsQrImage.value = res?.qr_image || ''
     if (!kdocsQrImage.value) {
+      if (res?.logged_in) {
+        ElMessage.success('当前已登录，无需扫码')
+        await refreshKdocsStatus()
+        return
+      }
       ElMessage.warning('未获取到二维码')
       return
     }