diff --git a/packages/vchart/src/model/base-model.ts b/packages/vchart/src/model/base-model.ts
index db2a5cd73..1469ce614 100644
--- a/packages/vchart/src/model/base-model.ts
+++ b/packages/vchart/src/model/base-model.ts
@@ -106,7 +106,7 @@ export abstract class BaseModel<T extends IModelSpec> extends CompilableBase imp
   }
 
   protected get _theme() {
-    return this.getSpecInfo().theme;
+    return this.getSpecInfo()?.theme;
   }
 
   /** for layout diff */
diff --git a/packages/vutils-extension/src/utils/object.ts b/packages/vutils-extension/src/utils/object.ts
index 42714eee3..91a297213 100644
--- a/packages/vutils-extension/src/utils/object.ts
+++ b/packages/vutils-extension/src/utils/object.ts
@@ -41,5 +41,8 @@ export const setProperty = <T>(target: T, path: Array<string | number>, value: a
 };
 
 export const getProperty = <T>(target: any, path: Array<string | number>, defaultValue?: T): T => {
+  if (isNil(path)) {
+    return undefined;
+  }
   return get(target, path as string[], defaultValue) as T;
 };