修改

assets/scss/app.scss

@@ -593,7 +593,7 @@ navigator {
     background-color: $panel-4 !important;
 }
 .uni-picker-view-mask {
-    background: var(--picker-mask);
+    // background: var(--picker-mask);
     background-position: top, bottom;
     background-size: 100% 102px;
     background-repeat: no-repeat;

uni_modules/uni-datetime-picker/components/uni-datetime-picker/calendar.vue

@@ -384,6 +384,7 @@
 			},
 		},
 		created() {
+			uni.setLocale('en');
 			// 获取日历方法实例
 			this.cale = new Calendar({
 				selected: this.selected,