diff --git a/src/renderer/src/AixPPTist/src/views/Editor/CanvasTool/index.vue b/src/renderer/src/AixPPTist/src/views/Editor/CanvasTool/index.vue
index 18ac469..896f6cf 100644
--- a/src/renderer/src/AixPPTist/src/views/Editor/CanvasTool/index.vue
+++ b/src/renderer/src/AixPPTist/src/views/Editor/CanvasTool/index.vue
@@ -208,6 +208,18 @@ const insertImageElement = (files: FileList) => {
   // })
 }
 
+//获取当前的时间
+const getTime=()=>{
+  const now = new Date();
+  const year = now.getFullYear();
+  const month = ('0' + (now.getMonth() + 1)).slice(-2);
+  const day = ('0' + now.getDate()).slice(-2);
+  const hours = ('0' + now.getHours()).slice(-2);
+  const minutes = ('0' + now.getMinutes()).slice(-2);
+  const seconds = ('0' + now.getSeconds()).slice(-2);
+  return `${year}-${month}-${day}_${hours}:${minutes}:${seconds}`;
+};
+
 /**
 * base64转图片File
 * @param {String} base64 图片base64
@@ -234,9 +246,10 @@ const base64ToFile = (base64: string, fileName = '试题图片') => {
         // charCodeAt()：获取给定索引处字符对应的 UTF-16 代码单元
         u8arr[n] = bstr.charCodeAt(n)
     }
+    const filename = fileName+getTime()
     // 利用构造函数创建File文件对象
     // new File(bits, name, options)
-    const file = new File([u8arr], `${fileName}.${suffix}`, {
+    const file = new File([u8arr], `${filename}.${suffix}`, {
         type: type
     })
     // 返回file
diff --git a/src/renderer/src/views/classTask/teachClassTask.vue b/src/renderer/src/views/classTask/teachClassTask.vue
index d0be63a..2ce9561 100644
--- a/src/renderer/src/views/classTask/teachClassTask.vue
+++ b/src/renderer/src/views/classTask/teachClassTask.vue
@@ -714,37 +714,39 @@ const closeDialog = () => {
 
 // im监听消息回调
 const msgHandle = (msg) => {
-  const { type, data } = msg
-  switch(type) {
-    case MsgEnum.HEADS.MSG_closed: // 下课:
+  if (typeof msg === 'object'){
+    const { head, content, ...other } = msg
+    switch(head) {
+      case MsgEnum.HEADS.MSG_closed: // 下课:
+          window.close() // 关闭窗口
+      break 
+      case MsgEnum.HEADS.MSG_finishHomework: // 跟新作业:
+        const data = JSON.parse(localStorage.getItem('teachClassWorkItem'));
+        openDialog(data, false);
+      break
+      case MsgEnum.HEADS.MSG_slideFlapping: // 切换页面
         window.close() // 关闭窗口
-     break
-    case MsgEnum.HEADS.MSG_finishHomework: // 跟新作业:
-      const data = JSON.parse(localStorage.getItem('teachClassWorkItem'));
-      openDialog(data, false);
-     break
-     case MsgEnum.HEADS.MSG_slideFlapping: // 切换页面
-      window.close() // 关闭窗口
-     break
-    // case 'TIMAddRecvNewMsgCallback': // 收到新消息 data=[]
-    //   {
-    //     (data||[]).forEach(o => {
-    //       const msgArr = o?.message_elem_array||[]
-    //       msgArr.forEach(info => {
-    //         const msgType = info?.elem_type // 消息类型 TIMElemType
-    //         const msgData = !!info.text_elem_content ? JSON.parse(info.text_elem_content)||'' : ''
-    //         // 处理学生端反馈得消息
-    //         //console.log('msgData->', msgData);
-    //         if (msgData.msgKey == "finishHomework"){
-    //           // 刷新
-    //           const data = JSON.parse(localStorage.getItem('teachClassWorkItem'));
-    //           //console.log('data->', data);
-    //           openDialog(data, false);
-    //         }
-    //       })
-    //     })
-    //   }
-    //   break
+      break
+      // case 'TIMAddRecvNewMsgCallback': // 收到新消息 data=[]
+      //   {
+      //     (data||[]).forEach(o => {
+      //       const msgArr = o?.message_elem_array||[]
+      //       msgArr.forEach(info => {
+      //         const msgType = info?.elem_type // 消息类型 TIMElemType
+      //         const msgData = !!info.text_elem_content ? JSON.parse(info.text_elem_content)||'' : ''
+      //         // 处理学生端反馈得消息
+      //         //console.log('msgData->', msgData);
+      //         if (msgData.msgKey == "finishHomework"){
+      //           // 刷新
+      //           const data = JSON.parse(localStorage.getItem('teachClassWorkItem'));
+      //           //console.log('data->', data);
+      //           openDialog(data, false);
+      //         }
+      //       })
+      //     })
+      //   }
+      //   break
+    }
   }
 }