diff --git a/src/Cascader.tsx b/src/Cascader.tsx
index dea1fdb4..7ea4597c 100644
--- a/src/Cascader.tsx
+++ b/src/Cascader.tsx
@@ -157,7 +157,7 @@ function toRawValues(value: ValueType): SingleValueType[] {
     return value;
   }
 
-  return value.length === 0 ? [] : [value];
+  return (value.length === 0 ? [] : [value]).map(val => (Array.isArray(val) ? val : [val]));
 }
 
 const Cascader = React.forwardRef<CascaderRef, InternalCascaderProps>((props, ref) => {
diff --git a/tests/index.spec.tsx b/tests/index.spec.tsx
index 488fb5ab..d1525ab2 100644
--- a/tests/index.spec.tsx
+++ b/tests/index.spec.tsx
@@ -892,4 +892,8 @@ describe('Cascader.Basic', () => {
       wrapper.find(`li[data-path-key]`).at(1).simulate('click');
     });
   });
+
+  it('not crash when value type is not array', () => {
+    mount(<Cascader value={'bamboo' as any} />);
+  });
 });