diff --git a/packages/components/cascader-panel/__tests__/cascader-panel.spec.ts b/packages/components/cascader-panel/__tests__/cascader-panel.spec.ts
index da6a52f582..7f8b830f05 100644
--- a/packages/components/cascader-panel/__tests__/cascader-panel.spec.ts
+++ b/packages/components/cascader-panel/__tests__/cascader-panel.spec.ts
@@ -35,6 +35,11 @@ const NORMAL_OPTIONS = [
       },
     ],
   },
+  {
+    value: 'guangdong',
+    label: 'Guangdong',
+    children: [],
+  },
 ]
 
 const DISABLED_OPTIONS = [
@@ -154,12 +159,14 @@ describe('CascaderPanel.vue', () => {
     })
 
     const options = wrapper.findAll(NODE)
-    const [bjNode, zjNode] = options
+    const [bjNode, zjNode, , gdNode] = options
 
     expect(wrapper.findAll(MENU).length).toBe(1)
-    expect(options.length).toBe(3)
+    expect(options.length).toBe(4)
     expect(bjNode.text()).toBe('Beijing')
     expect(bjNode.find(EXPAND_ARROW).exists()).toBe(false)
+    expect(zjNode.find(EXPAND_ARROW).exists()).toBe(true)
+    expect(gdNode.find(EXPAND_ARROW).exists()).toBe(false)
 
     await zjNode.trigger('click')
     const menus = wrapper.findAll(MENU)
@@ -178,6 +185,12 @@ describe('CascaderPanel.vue', () => {
     expect(handleExpandChange).toBeCalledTimes(2)
     expect(handleChange).toBeCalledTimes(2)
     expect(wrapper.vm.value).toEqual(['beijing'])
+
+    await gdNode.trigger('click')
+    expect(wrapper.findAll(MENU).length).toBe(1)
+    expect(handleExpandChange).toBeCalledTimes(3)
+    expect(handleChange).toBeCalledTimes(3)
+    expect(wrapper.vm.value).toEqual(['guangdong'])
   })
 
   test('with default value', async () => {
diff --git a/packages/components/cascader-panel/src/node.ts b/packages/components/cascader-panel/src/node.ts
index 8ac9d016af..19ee4acec9 100644
--- a/packages/components/cascader-panel/src/node.ts
+++ b/packages/components/cascader-panel/src/node.ts
@@ -120,7 +120,7 @@ class Node {
     return isUndefined(isLeaf)
       ? lazy && !loaded
         ? false
-        : !Array.isArray(childrenData)
+        : !(Array.isArray(childrenData) && childrenData.length)
       : !!isLeaf
   }