diff --git a/src/views/tk/FanWorkbench.vue b/src/views/tk/FanWorkbench.vue
index 87004db..823553f 100644
--- a/src/views/tk/FanWorkbench.vue
+++ b/src/views/tk/FanWorkbench.vue
@@ -196,6 +196,9 @@
     <el-dialog v-model="streamdialogVisible" :title="$t('hostsList.specifyRooms') || '指定直播间'" width="600px">
       <el-input v-model="textarea" :rows="10" type="textarea"
         :placeholder="$t('hostsList.enterRoomIds') || '请输入房间ID，每行一个'" @input="handleInput" />
+      <div class="mt-2 text-sm text-slate-500">
+         {{ currentLineCount }}  /  {{ maxSpecifyLines }}  
+      </div>
       <template #footer>
         <div class="flex justify-end gap-2">
             <el-button @click="specifyCancel">{{ $t('hostsList.cancelSpecify') || '取消指定' }}</el-button>
@@ -209,7 +212,7 @@
 </template>
 
 <script setup>
-import { ref, reactive, onMounted, onBeforeUnmount } from "vue";
+import { ref, reactive, onMounted, onBeforeUnmount, computed } from "vue";
 import { usePythonBridge } from "@/utils/pythonBridge";
 import { getUser } from "@/utils/storage";
 import { getCountryName } from "@/utils/countryUtil";
@@ -434,13 +437,24 @@ function stopTimerfun() {
 }
 
 // Specify Room Logic
-const MAX_SPECIFY_LINES = 50;
+// 动态计算最大行数限制：tenantId=12741 为 5000 条，其他为 50 条
+const maxSpecifyLines = computed(() => {
+  return userInfo.value.tenantId == 12741 ? 5000 : 50;
+});
+
+// 当前行数
+const currentLineCount = computed(() => {
+  if (!textarea.value || textarea.value.trim() === "") {
+    return 0;
+  }
+  return textarea.value.split("\n").filter(line => line.trim() !== "").length;
+});
 
 function handleInput(value) {
   if (typeof value !== "string") return;
   const lines = value.split("\n");
-  if (lines.length > MAX_SPECIFY_LINES) {
-    textarea.value = lines.slice(0, MAX_SPECIFY_LINES).join("\n");
+  if (lines.length > maxSpecifyLines.value) {
+    textarea.value = lines.slice(0, maxSpecifyLines.value).join("\n");
   }
 }