fix: fix props option merging

diff --git a/packages/core/src/componentOptions.ts b/packages/core/src/componentOptions.ts
index 385a2f6de86900744b5aa88df540ef72de009f67..e03cb3e7c8e18f088c9344ab5d9ad954e7b2a7b3 100644 (file)
--- a/packages/core/src/componentOptions.ts
+++ b/packages/core/src/componentOptions.ts
@@ -137,7 +137,9 @@ export function resolveComponentOptionsFromClass(
     }
   }
 
-  options.props = normalizePropsOptions(options.props)
+  if (options.props) {
+    options.props = normalizePropsOptions(options.props)
+  }
 
   const ParentClass = Object.getPrototypeOf(Class)
   if (ParentClass !== Component) {