diff --git a/src/poll.ts b/src/poll.ts
index 282f82e..e0722ba 100644
--- a/src/poll.ts
+++ b/src/poll.ts
@@ -1,9 +1,10 @@
 import {IJsonCourse} from "./types"
-import {getTimeNow, sduAxios, sleep} from "./includes"
+import {getTimeNow, logAndNotifyUser, sduAxios, sleep} from "./includes"
 import {appConfig} from "./config"
 import * as qs from "qs"
 
 export let reqBody = 'sEcho=1&iColumns=15&sColumns=&iDisplayStart=0&iDisplayLength=2000&mDataProp_0=kch&mDataProp_1=kcmc&mDataProp_2=kxhnew&mDataProp_3=jkfs&mDataProp_4=xmmc&mDataProp_5=fzmc&mDataProp_6=ktmc&mDataProp_7=xf&mDataProp_8=skls&mDataProp_9=sksj&mDataProp_10=skdd&mDataProp_11=xqmc&mDataProp_12=syrs&mDataProp_13=ctsm&mDataProp_14=czOper'
+let errorCount = 0
 
 export const JsonCourseList = <{ bx: IJsonCourse[], xx: IJsonCourse[], rx: IJsonCourse[] }>{
     bx: [],
@@ -16,7 +17,8 @@ async function updateBx() {
         let resp = await sduAxios.post('/jsxsd/xsxkkc/xsxkBxxk?1=1&kcxx=&skls=&skfs=&xqid=', reqBody)
         JsonCourseList.bx.length = 0
         JsonCourseList.bx.push(...resp.data.aaData)
-    } catch (e) {
+    } catch (_e) {
+        processError(_e as Error)
         console.log('获取必修JsonList失败 at ' + getTimeNow())
     }
 }
@@ -26,7 +28,8 @@ async function updateXx() {
         let resp = await sduAxios.post('/jsxsd/xsxkkc/xsxkXxxk?1=1&kcxx=&skls=&skfs=&xqid=', reqBody)
         JsonCourseList.xx.length = 0
         JsonCourseList.xx.push(...resp.data.aaData)
-    } catch (e) {
+    } catch (_e) {
+        processError(_e as Error)
         console.log('获取限选JsonList失败 at ' + getTimeNow())
     }
 }
@@ -36,7 +39,8 @@ async function updateRx() {
         let resp = await sduAxios.post('/jsxsd/xsxkkc/xsxkGgxxkxk?kcxx=&skls=&skxq=&skjc=&sfym=false&sfct=false&szjylb=&sfxx=true&skfs=&xqid=', reqBody)
         JsonCourseList.rx.length = 0
         JsonCourseList.rx.push(...resp.data.aaData)
-    } catch (e) {
+    } catch (_e) {
+        processError(_e as Error)
         console.log('获取任选JsonList失败 at ' + getTimeNow())
     }
 }
@@ -56,3 +60,13 @@ export async function poll() {
     }
     setImmediate(poll)
 }
+
+function processError(e: Error) {
+    if (errorCount != -1) {
+        errorCount++
+        if (errorCount >= 30) {
+            logAndNotifyUser('[error]出现轮询error过多，请检查。上一次异常信息：' + e.message)
+            errorCount = -1
+        }
+    }
+}