diff --git a/packages/fineui/src/core/2.base.js b/packages/fineui/src/core/2.base.js
index 0c8e5f61c..23fc68095 100644
--- a/packages/fineui/src/core/2.base.js
+++ b/packages/fineui/src/core/2.base.js
@@ -1227,19 +1227,19 @@ export function checkDateVoid(YY, MM, DD, minDate, maxDate) {
     } else if (YY > maxDate[0]) {
         back = ["y", 1];
     } else if (YY >= minDate[0] && YY <= maxDate[0]) {
-        if (YY === minDate[0]) {
+        if (YY == minDate[0]) {
             if (MM < minDate[1]) {
                 back = ["m"];
-            } else if (MM === minDate[1]) {
+            } else if (MM == minDate[1]) {
                 if (DD < minDate[2]) {
                     back = ["d"];
                 }
             }
         }
-        if (YY === maxDate[0]) {
+        if (YY == maxDate[0]) {
             if (MM > maxDate[1]) {
                 back = ["m", 1];
-            } else if (MM === maxDate[1]) {
+            } else if (MM == maxDate[1]) {
                 if (DD > maxDate[2]) {
                     back = ["d", 1];
                 }