fix SSE

src/views/system/LoggingView.vue

@@ -4,11 +4,14 @@ import store from '@/store'
 // 日志列表
 const logs = ref<string[]>([])
 
+// SSE消息对象
+let eventSource: EventSource | null = null
+
 // SSE持续获取日志
 function startSSELogging() {
   const token = store.state.auth.token
   if (token) {
-    const eventSource = new EventSource(
+    eventSource = new EventSource(
       `${import.meta.env.VITE_API_BASE_URL}system/logging?token=${token}`,
     )
 
@@ -17,10 +20,6 @@ function startSSELogging() {
       if (message)
         logs.value.push(message)
     })
-
-    onBeforeUnmount(() => {
-      eventSource.close()
-    })
   }
 }
 
@@ -65,6 +64,11 @@ const extractLogDetails = computed(() => {
 onMounted(() => {
   startSSELogging()
 })
+
+onBeforeUnmount(() => {
+  if (eventSource)
+    eventSource.close()
+})
 </script>
 
 <template>