diff --git a/src/renderer/index.html b/src/renderer/index.html
index d1459f5..8bb269e 100644
--- a/src/renderer/index.html
+++ b/src/renderer/index.html
@@ -8,7 +8,7 @@
       http-equiv="Content-Security-Policy"
       content="default-src 'self'; script-src 'self'; style-src 'self' 'unsafe-inline'; img-src 'self' data:"
     /> -->
-    <meta http-equiv="Content-Security-Policy" content="connect-src * blob: data:; default-src 'self'; script-src 'self' 'unsafe-eval' http://www.wiris.net 'unsafe-inline'; style-src 'self' 'unsafe-inline' http://www.wiris.net; media-src * blob:;img-src * 'self' data: blob:;font-src 'self' http://www.wiris.net;" />
+    <meta http-equiv="Content-Security-Policy" content="connect-src * blob: data:; default-src 'self' https://wzyzoss.eos-chongqing-3.cmecloud.cn/; script-src 'self' 'unsafe-eval' http://www.wiris.net 'unsafe-inline'; style-src 'self' 'unsafe-inline' http://www.wiris.net; media-src * blob:;img-src * 'self' data: blob:;font-src 'self' http://www.wiris.net;" />
 
   </head>
 
diff --git a/src/renderer/src/views/examination-analysis/container/dialog.vue b/src/renderer/src/views/examination-analysis/container/dialog.vue
index eba70bc..49ba96b 100644
--- a/src/renderer/src/views/examination-analysis/container/dialog.vue
+++ b/src/renderer/src/views/examination-analysis/container/dialog.vue
@@ -1,5 +1,5 @@
 <template>
-  <el-dialog v-model="isDialog" :show-close="false" width="900" destroy-on-close>
+  <el-dialog v-model="isDialog" :show-close="false" width="900" append-to-body destroy-on-close>
     <template #header>
       <div class="custom-header flex">
         <span>选择{{ title }}</span>
@@ -15,8 +15,10 @@
       </div>
       <div class="content-list">
         <ul>
-          <li v-for="(item, index) in fileList" :class="activeIndex == index ? 'li-active' : ''" @click="clickItem(index, item)">
+          <li v-for="(item, index) in fileList" :class="activeIndex == index ? 'li-active' : ''"
+            @click="clickItem(index, item)">
             <el-image class="img" :src="url" />
+            <el-button type="primary" class="prev-btn" @click.stop="onPrevItem(item)">预览</el-button>
             <el-text truncated>{{ item.fileName }}</el-text>
           </li>
         </ul>
@@ -24,8 +26,8 @@
     </div>
     <template #footer>
       <div class="dialog-footer">
-        <el-upload class="upload-demo" :action="uploadFileUrl" :limit="1" :show-file-list="false"
-        :headers="headers" :on-success="onSuccess">
+        <el-upload class="upload-demo" :action="uploadFileUrl" :limit="1" :show-file-list="false" :headers="headers"
+          :on-success="onSuccess">
           <el-button type="primary">上传</el-button>
         </el-upload>
         <div>
@@ -37,6 +39,31 @@
       </div>
     </template>
   </el-dialog>
+  <el-dialog v-model="prevVisible" fullscreen :show-close="false" class="prev-dialog">
+    <template #header>
+      <div class="custom-header flex">
+        <span>预览</span>
+        <i class="iconfont icon-guanbi" @click="prevVisible = false"></i>
+      </div>
+    </template>
+    <div style="height: calc(100vh - 120px);">
+      <template v-if="getFileSuffix(prevItem.fileUrl) == 'pdf'">
+        <iframe :src="prevItem.fileUrl"
+          frameborder="0" width="100%" height="100%"></iframe>
+      </template>
+      <template v-else>
+        <el-image :src="prevItem.fileUrl" style="height:100%"/>
+      </template>
+    </div>
+    <template #footer>
+      <div class="dialog-footer">
+        <div></div>
+        <el-button type="primary" @click="prevVisible = false">
+          关闭
+        </el-button>
+      </div>
+    </template>
+  </el-dialog>
 </template>
 
 <script setup>
@@ -47,6 +74,7 @@ import { sessionStore } from '@/utils/store'
 import { dataSetJson } from '@/utils/comm.js'
 import { ElMessage } from 'element-plus'
 import useUserStore from '@/store/modules/user'
+import { getFileSuffix } from '@/utils/ruoyi.js'
 import emitter from '@/utils/mitt';
 
 const userInfo = useUserStore().user
@@ -56,6 +84,7 @@ const headers = ref({ Authorization: "Bearer " + getToken() });
 const url = 'https://gimg2.baidu.com/image_search/src=http%3A%2F%2Fsafe-img.xhscdn.com%2Fbw1%2F11044b08-04c1-41a0-a453-1fd20b58a614%3FimageView2%2F2%2Fw%2F1080%2Fformat%2Fjpg&refer=http%3A%2F%2Fsafe-img.xhscdn.com&app=2002&size=f9999,10000&q=a80&n=0&g=0n&fmt=auto?sec=1732953359&t=7ab1d1b3a903db85b1149914407aea35'
 
 const isDialog = defineModel()
+const prevVisible = ref(false)
 
 const props = defineProps({
   modeType: {
@@ -99,21 +128,21 @@ const activeIndex = ref(0)
 const dataset_id = ref('')
 
 // 上传成功
-const onSuccess = async (response) =>{
-  console.log(response,'response')
+const onSuccess = async (response) => {
+  console.log(response, 'response')
   let data = {
     url: response.url,
     dataset_id: dataset_id.value
   }
   const res = await completion(data)
 
-  if(res.data.code != 200) return
+  if (res.data.code != 200) return
   let docData = {
     fileUrl: response.url,
     fileId: response.file.id,
     fileName: response.file.fileName,
     filesize: response.file.fileSize,
-    datasetId:  dataset_id.value,
+    datasetId: dataset_id.value,
     docId: res.data.document_id,
     edustage: curNode.edustage,
     edusubject: curNode.edusubject
@@ -127,25 +156,32 @@ const curNode = reactive({})
 
 const fileList = ref([])
 const curFile = reactive({})
-const getList = () =>{
+const getList = () => {
   docList({
     userId: userInfo.userId,
-    dataset_id:  dataset_id.value
-  }).then( res =>{
+    dataset_id: dataset_id.value
+  }).then(res => {
     fileList.value = [...res.rows]
-    Object.assign(curFile,  fileList.value[0])
+    Object.assign(curFile, fileList.value[0])
   })
 }
 
 const clickItem = (index, item) => {
   activeIndex.value = index
-  Object.assign(curFile,  item)
-  emitter.emit('curFile',item)
+  Object.assign(curFile, item)
+  emitter.emit('curFile', item)
+}
+
+const prevItem = reactive({})
+const onPrevItem = (item) => {
+  console.log(item)
+  Object.assign(prevItem, item)
+  prevVisible.value = true
 }
 
 
 
-onMounted(() =>{
+onMounted(() => {
   let data = sessionStore.get('subject.curNode')
   Object.assign(curNode, data);
 
@@ -155,7 +191,6 @@ onMounted(() =>{
 })
 
 </script>
-
 <style lang="scss" scoped>
 .custom-header {
   justify-content: space-between;
@@ -192,6 +227,8 @@ onMounted(() =>{
         overflow: hidden;
         margin-right: 20px;
         margin-bottom: 10px;
+        position: relative;
+        overflow: hidden;
 
         .img {
           width: 100%;
@@ -203,6 +240,10 @@ onMounted(() =>{
         &:hover {
           background: #E0EAFF;
         }
+
+        &:hover .prev-btn {
+          transform: translate(-50%, -50%)
+        }
       }
 
       .li-active {
@@ -212,9 +253,20 @@ onMounted(() =>{
     }
   }
 }
-.dialog-footer{
+
+.dialog-footer {
   display: flex;
   align-items: center;
   justify-content: space-between;
 }
+
+.prev-btn {
+  position: absolute;
+  top: 50%;
+  left: 50%;
+  transform: translate(-50%, -50%) translateY(-110px);
+  /* 按钮初始位置在容器外 */
+  transition: transform 0.3s ease-in-out;
+  /* 设置过渡效果 */
+}
 </style>
\ No newline at end of file
diff --git a/src/renderer/src/views/examination-analysis/container/pdf.vue b/src/renderer/src/views/examination-analysis/container/pdf.vue
index c83dfd0..c871a8d 100644
--- a/src/renderer/src/views/examination-analysis/container/pdf.vue
+++ b/src/renderer/src/views/examination-analysis/container/pdf.vue
@@ -14,8 +14,14 @@ const pdfUrl = ref('')
 
 onMounted(async () =>{
   await nextTick()
-  const { fileurl } = sessionStore.get('subject.curBook')
-  pdfUrl.value = import.meta.env.VITE_APP_RES_FILE_PATH + fileurl.replace('.txt','.pdf')
+
+  let data = sessionStore.get('subject.curBook')
+  let fileurl = data.fileurl
+
+  if(fileurl == ''){
+    fileurl = `${data.edustage}-${data.edusubject}-课标.txt`
+  }
+  pdfUrl.value = import.meta.env.VITE_APP_RES_FILE_PATH + fileurl.replace('.txt', '.pdf')
 })
 </script>