diff --git a/src/plugin/advancedFormat/index.js b/src/plugin/advancedFormat/index.js
index 9a1e30eb2..1b5288c08 100644
--- a/src/plugin/advancedFormat/index.js
+++ b/src/plugin/advancedFormat/index.js
@@ -13,12 +13,14 @@ export default (o, c, d) => { // locale needed later
     const locale = this.$locale()
     const utils = this.$utils()
     const str = formatStr || FORMAT_DEFAULT
-    const result = str.replace(/Q|wo|Do|X|x|k{1,2}|S/g, (match) => {
+    const result = str.replace(/Q|wo|gggg|Do|X|x|k{1,2}|S/g, (match) => {
       switch (match) {
         case 'Q':
           return Math.ceil((this.$M + 1) / 3)
         case 'Do':
           return locale.ordinal(this.$D)
+        case 'gggg':
+          return this.weekYear()
         case 'wo':
           return locale.ordinal(this.week(), 'W') // W for week
         case 'k':
diff --git a/test/plugin/advancedFormat.test.js b/test/plugin/advancedFormat.test.js
index 37c185576..74de4eb9b 100644
--- a/test/plugin/advancedFormat.test.js
+++ b/test/plugin/advancedFormat.test.js
@@ -3,8 +3,10 @@ import moment from 'moment'
 import dayjs from '../../src'
 import advancedFormat from '../../src/plugin/advancedFormat'
 import weekOfYear from '../../src/plugin/weekOfYear'
+import weekYear from '../../src/plugin/weekYear'
 import '../../src/locale/zh-cn'
 
+dayjs.extend(weekYear)
 dayjs.extend(weekOfYear)
 dayjs.extend(advancedFormat)
 
@@ -75,3 +77,8 @@ it('Format Week of Year wo', () => {
   expect(dayjs(d).locale('zh-cn').format('wo'))
     .toBe(moment(d).locale('zh-cn').format('wo'))
 })
+
+it('Format Week Year gggg', () => {
+  const d = '2018-12-31'
+  expect(dayjs(d).format('gggg')).toBe(moment(d).format('gggg'))
+})