diff --git a/src/utils/arrayOperation.ts b/src/utils/arrayOperation.ts
index 08c8c31a886350a9fed0862907cda9bf0fb0bd93..9ba7968b39f5fc7db421165f11652e00d3106b23 100644
--- a/src/utils/arrayOperation.ts
+++ b/src/utils/arrayOperation.ts
@@ -30,13 +30,17 @@ export function isObjectValueEqual<T>(a: T, b: T): boolean {
 	if (aProps.length != bProps.length) return false;
 	for (let i = 0; i < aProps.length; i++) {
 		let propName = aProps[i];
-		let propA = a[propName];
-		let propB = b[propName];
+		let propA = (a as any)[propName];
+		let propB = (b as any)[propName];
 		if (!b.hasOwnProperty(propName)) return false;
 		if (propA instanceof Object) {
 			if (!isObjectValueEqual(propA, propB)) return false;
 		} else if (propA !== propB) {
-			return false;
+			if (!(Number.isNaN(propA) && Number.isNaN(propB))) {
+				return false;
+			} else {
+				throw new Error('NaN 不能比较');
+			}
 		}
 	}
 	return true;