diff --git a/src/controllers/task.controllers.ts b/src/controllers/task.controllers.ts
index 9d432c3..fbc5474 100644
--- a/src/controllers/task.controllers.ts
+++ b/src/controllers/task.controllers.ts
@@ -1,9 +1,8 @@
 import { ZError } from 'common/ZError'
 import BaseController from 'common/base.controller'
 import { role, router } from 'decorators/router'
-import { ChainTask, ChainTaskClass } from 'models/ChainTask'
 import { CheckIn } from 'models/CheckIn'
-import { RequestTask } from 'models/RequestTask'
+import { getMonthBegin, getNDayAgo } from 'utils/date.util'
 
 
 class TaskController extends BaseController {
@@ -14,6 +13,21 @@ class TaskController extends BaseController {
     if (!address || !days) {
       throw new ZError(10, 'address is required')
     }
+    let query: any = { from: address }
+    if (typeof days === 'number') {
+      let begin = getNDayAgo(days, true)
+      query.blockTime = {$gt: begin.getTime() / 1000 | 0}
+    } else if (typeof days === 'string') {
+      if (days === '1month') {
+        let date = getMonthBegin(new Date())
+        query.blockTime = {$gt: date.getTime() / 1000 | 0}
+      } else {
+        query.dateTag = days
+      }
+      
+    } else if (Array.isArray(days)) {
+      query.dateTag = {$in: days}
+    }
     let records = await CheckIn.find({ from: address, dateTag: {$in: days}})
     let result = []
     for (let record of records) {
diff --git a/src/models/CheckIn.ts b/src/models/CheckIn.ts
index 30690f3..01b2325 100644
--- a/src/models/CheckIn.ts
+++ b/src/models/CheckIn.ts
@@ -5,6 +5,7 @@ import { BaseModule } from './Base'
 @dbconn()
 @index({ from: 1 }, { unique: false })
 @index({ from: 1, dateTag: 1}, { unique: true })
+@index({ from: 1, blockTime: 1}, { unique: false })
 @modelOptions({
   schemaOptions: { collection: 'check_in_event', timestamps: true },
 })
diff --git a/src/utils/date.util.ts b/src/utils/date.util.ts
index 76b98ee..0ce761c 100644
--- a/src/utils/date.util.ts
+++ b/src/utils/date.util.ts
@@ -6,6 +6,31 @@ export const formatDate = (date: Date): string => {
   return `${year}${month}${day}`;
 };
 
+// get begin of one day
+export const getDayBegin = (date: Date): Date => {
+  const year = date.getFullYear();
+  const month = date.getMonth();
+  const day = date.getDate();
+  return new Date(year, month, day);
+};
+
+// get begin of n day ago
+export const getNDayAgo = (n: number, begin: boolean): Date => {
+  const date = new Date(Date.now() - n * 24 * 60 * 60 * 1000)
+  if (begin) {
+    return getDayBegin(date);
+  } else {
+    return date;
+  }
+};
+
+// get begin of this month
+export const getMonthBegin = (date: Date): Date => {
+  const year = date.getFullYear();
+  const month = date.getMonth();
+  return new Date(year, month, 1);
+}
+
 // get formated datestring of yesterday
 export const yesterday = () => {
   const date = new Date();