diff --git a/src/calendar/table-date.vue b/src/calendar/table-date.vue
index 8540bbd..fe0ad52 100644
--- a/src/calendar/table-date.vue
+++ b/src/calendar/table-date.vue
@@ -151,7 +151,7 @@ export default {
     },
     handleCellClick(evt) {
       let { target } = evt;
-      if (target.tagName === 'DIV') {
+      if (target.tagName.toUpperCase() === 'DIV') {
         target = target.parentNode;
       }
       const date = target.getAttribute('data-date');
diff --git a/src/calendar/table-month.vue b/src/calendar/table-month.vue
index 6af4ca4..412b3db 100644
--- a/src/calendar/table-month.vue
+++ b/src/calendar/table-month.vue
@@ -88,7 +88,7 @@ export default {
     },
     handleClick(evt) {
       let { target } = evt;
-      if (target.tagName === 'DIV') {
+      if (target.tagName.toUpperCase() === 'DIV') {
         target = target.parentNode;
       }
       const month = target.getAttribute('data-month');
diff --git a/src/calendar/table-year.vue b/src/calendar/table-year.vue
index 99096bd..12dafd3 100644
--- a/src/calendar/table-year.vue
+++ b/src/calendar/table-year.vue
@@ -91,7 +91,7 @@ export default {
     },
     handleClick(evt) {
       let { target } = evt;
-      if (target.tagName === 'DIV') {
+      if (target.tagName.toUpperCase() === 'DIV') {
         target = target.parentNode;
       }
       const year = target.getAttribute('data-year');