diff --git a/src/widget/year/combo.year.js b/src/widget/year/combo.year.js
index a22ee77a06..a2a757492d 100644
--- a/src/widget/year/combo.year.js
+++ b/src/widget/year/combo.year.js
@@ -1,7 +1,7 @@
 BI.DynamicYearCombo = BI.inherit(BI.Widget, {
 
     props: {
-        baseCls: "bi-year-combo bi-border bi-focus-shadow",
+        baseCls: "bi-year-combo bi-border bi-border-radius bi-focus-shadow",
         behaviors: {},
         min: "1900-01-01", // 最小日期
         max: "2099-12-31", // 最大日期
diff --git a/src/widget/yearmonth/combo.yearmonth.js b/src/widget/yearmonth/combo.yearmonth.js
index 461fa7fb00..c82de18136 100644
--- a/src/widget/yearmonth/combo.yearmonth.js
+++ b/src/widget/yearmonth/combo.yearmonth.js
@@ -1,7 +1,7 @@
 BI.DynamicYearMonthCombo = BI.inherit(BI.Single, {
 
     props: {
-        baseCls: "bi-year-month-combo bi-border bi-focus-shadow",
+        baseCls: "bi-year-month-combo bi-border bi-border-radius bi-focus-shadow",
         behaviors: {},
         minDate: "1900-01-01", // 最小日期
         maxDate: "2099-12-31", // 最大日期
diff --git a/src/widget/yearquarter/combo.yearquarter.js b/src/widget/yearquarter/combo.yearquarter.js
index e34cf1137c..a8540bb855 100644
--- a/src/widget/yearquarter/combo.yearquarter.js
+++ b/src/widget/yearquarter/combo.yearquarter.js
@@ -1,7 +1,7 @@
 BI.DynamicYearQuarterCombo = BI.inherit(BI.Widget, {
 
     props: {
-        baseCls: "bi-year-quarter-combo bi-border bi-focus-shadow",
+        baseCls: "bi-year-quarter-combo bi-border bi-border-radius bi-focus-shadow",
         behaviors: {},
         min: "1900-01-01", // 最小日期
         max: "2099-12-31", // 最大日期