From 4e7421798daf4c01856a05ee5162faa3e3323336 Mon Sep 17 00:00:00 2001
From: zouyaoji <370681295@qq.com>
Date: Wed, 28 Feb 2024 21:29:35 +0800
Subject: [PATCH] fix(components): :bug: cesium.VERSION being undefined,
 causing an error.

---
 packages/utils/cesium-helpers.ts | 1 +
 1 file changed, 1 insertion(+)

diff --git a/packages/utils/cesium-helpers.ts b/packages/utils/cesium-helpers.ts
index 879cb590..a8c8da67 100644
--- a/packages/utils/cesium-helpers.ts
+++ b/packages/utils/cesium-helpers.ts
@@ -1094,6 +1094,7 @@ export function heightToLevel(altitude: number) {
 }
 
 export function compareCesiumVersion(a, b, operator: CompareOperator = '>=') {
+  a = a || '1.6.7'
   return compare(a, b, operator)
 }