diff --git a/src/views/study/coursenew.vue b/src/views/study/coursenew.vue
index 0090a74c..3a07b434 100644
--- a/src/views/study/coursenew.vue
+++ b/src/views/study/coursenew.vue
@@ -110,15 +110,14 @@
                 </assess>
               </div>
             </div>
-            <el-card v-if="Internet == 2" style="background-color:#eee" class="jianjie pdftext" id="pdfPreview">
+            <div v-if="Internet == 2" style="margin:350px 250px" class="jianjie pdftext" id="pdfPreview">
               <div style="margin-top:40px">
-                <span>十分抱歉，您当前的网络环境不符合观看要求。<br />
-                  为了保障案例信息的安全，您需要接入公司内网才能观看。</span>
+                <span>十分抱歉，您当前的网络环境不符合观看要求。为了保障案例信息的安全，您需要接入公司内网才能观看。</span>
               </div>
               <div style="margin-top:20px" @click="getInternet">
                 <el-button type="primary">重新检测</el-button>
               </div>
-            </el-card>
+            </div>
           </div>
           <!--交互部分-->
           <div>
@@ -1452,7 +1451,6 @@
             } else {
               clearTimeout(timer);
               $this.Internet = 2;
-
             }
           } else {
             if (timedOut) return;//忽略中止请求