diff --git a/src/views/finance/purchasingrequisition/add.vue b/src/views/finance/purchasingrequisition/add.vue
index b1a64c9..ccba3e2 100644
--- a/src/views/finance/purchasingrequisition/add.vue
+++ b/src/views/finance/purchasingrequisition/add.vue
@@ -642,7 +642,7 @@
 </template>
 
 <script setup lang="ts" name="PurchasingRequisitionAdd">
-import { reactive, ref, onMounted, computed, watch } from 'vue'
+import { reactive, ref, onMounted, computed, watch, nextTick } from 'vue'
 import { useRouter } from 'vue-router'
 import { addObj, tempStore } from '/@/api/finance/purchasingrequisition';
 import { getTree } from '/@/api/finance/purchasingcategory';
@@ -1333,6 +1333,20 @@ watch(() => categoryTreeData.value, () => {
 
 // 初始化
 onMounted(async () => {
+  // 检测是否在 iframe 中，如果是，则修改 #app 的 overflow 样式以支持滚动
+  if (window.parent !== window) {
+    nextTick(() => {
+      const app = document.getElementById('app');
+      if (app) {
+        app.style.overflow = 'auto';
+        app.style.height = 'auto';
+        app.style.minHeight = '100%';
+        // 添加一个类名标记，方便样式控制
+        app.classList.add('iframe-mode');
+      }
+    });
+  }
+  
   await Promise.all([
     getCategoryTreeData(),
     getFundSourceDict(),
@@ -1382,3 +1396,12 @@ onMounted(async () => {
 }
 </style>
 
+<style>
+/* 当页面在 iframe 中时，允许 #app 滚动 */
+#app.iframe-mode {
+  overflow: auto !important;
+  height: auto !important;
+  min-height: 100% !important;
+}
+</style>
+
diff --git a/src/views/finance/purchasingrequisition/index.vue b/src/views/finance/purchasingrequisition/index.vue
index 0cdd47c..cb35355 100644
--- a/src/views/finance/purchasingrequisition/index.vue
+++ b/src/views/finance/purchasingrequisition/index.vue
@@ -221,6 +221,7 @@
       :close-on-click-modal="false"
       :close-on-press-escape="true"
       destroy-on-close
+      class="iframe-dialog"
       @close="closeAddIframe">
       <div class="iframe-dialog-content">
         <iframe 
@@ -362,17 +363,40 @@ onUnmounted(() => {
   width: 100%;
   height: 70vh;
   min-height: 500px;
+  max-height: calc(100vh - 200px);
   position: relative;
+  overflow: hidden;
 
   .add-iframe {
     width: 100%;
     height: 100%;
+    min-height: 500px;
     border: none;
+    display: block;
   }
 }
 
-:deep(.el-dialog__body) {
-  padding: 20px;
+:deep(.iframe-dialog) {
+  .el-dialog {
+    display: flex;
+    flex-direction: column;
+    max-height: 90vh;
+    margin-top: 5vh !important;
+  }
+  
+  .el-dialog__header {
+    flex-shrink: 0;
+    padding: 20px 20px 10px;
+  }
+  
+  .el-dialog__body {
+    padding: 20px;
+    overflow-y: auto;
+    overflow-x: hidden;
+    flex: 1;
+    min-height: 0;
+    max-height: calc(100vh - 200px);
+  }
 }
 </style>