diff --git a/src/views/spectrumAnalysis/components/Modals/LoadFromFileModal.vue b/src/views/spectrumAnalysis/components/Modals/LoadFromFileModal.vue
index 3d5c613..121064e 100644
--- a/src/views/spectrumAnalysis/components/Modals/LoadFromFileModal.vue
+++ b/src/views/spectrumAnalysis/components/Modals/LoadFromFileModal.vue
@@ -30,7 +30,7 @@
       <!-- 底部按钮 -->
       <template slot="custom-footer">
         <a-space>
-          <a-upload :custom-request="handleUpload" :multiple="true" :show-upload-list="false" :before-upload="beforeUpload" >
+          <a-upload accept=".PHD,.phd" :custom-request="handleUpload" :multiple="true" :show-upload-list="false" :before-upload="beforeUpload" >
             <a-button type="primary" :loading="uploading">
               Upload
             </a-button>
@@ -336,9 +336,9 @@ export default {
   }
   .ant-pagination{
     position: absolute;
-    left: 50%;
     bottom: 0;
-    transform: translateX(-50%);
+    width: 100%;
+    text-align: center;
   }
   .ant-select {
     .ant-select-arrow-icon {