修复了生成文本时可以删除的bug

src/views/assistant/index.vue

@@ -381,9 +381,8 @@ const { loading: loadingDeleteConversation, doLoading: deleteConversation } = us
 		return
 	}
 	ElMessage.success('删除成功')
-	if (id === undefined) {
-		activeConversationId.value = undefined
-	}
+	activeConversationId.value = undefined
+	messages.value = []
 	await nextTick()
 	await doLoadConversations()
 })
@@ -523,6 +522,7 @@ const redirectToModelManager = () => router.push('manage/model')
 								title="删除对话"
 								plain
 								circle
+								:disabled="isConversationActive"
 							/>
 						</template>