Pull request #3602: 无JIRA fix: 吸取经验,防止别人乱改塞undefined之类的,加个判断

Merge in VISUAL/fineui from ~DAILER/fineui:master to master

* commit '40f90200c926f537807d6518640385edd4dfec2b':
  无JIRA fix: 吸取经验,防止别人乱改塞undefined之类的,加个判断

packages/fineui/src/core/constant/writable.var.js

@@ -48,6 +48,9 @@ PropertyDescriptors["pixRatio"] = {
 
 export let StartOfWeek = 1;
 export const setStartOfWeek = v => {
+    if (![0, 1].includes(v)) {
+        throw new Error("setStartOfWeek must be 0 or 1");
+    }
     StartOfWeek = v;
 };
 PropertyDescriptors["StartOfWeek"] = {