diff --git a/packages/components/select/__tests__/select.test.ts b/packages/components/select/__tests__/select.test.ts
index 66448564e2..59ef6ef386 100644
--- a/packages/components/select/__tests__/select.test.ts
+++ b/packages/components/select/__tests__/select.test.ts
@@ -515,6 +515,34 @@ describe('Select', () => {
     expect(wrapper.find(`.${PLACEHOLDER_CLASS_NAME}`).text()).toBe('Option D')
   })
 
+  test('set default value to object with value-key', async () => {
+    wrapper = _mount(
+      `
+      <el-select v-model="value" value-key="id">
+        <el-option
+          v-for="item in options"
+          :key="item.id"
+          :label="item.label"
+          :value="item"
+        />
+      </el-select>
+    `,
+      () => ({
+        options: [
+          { id: 1, label: 'Option A', desc: 'Option A - 230506' },
+          { id: 2, label: 'Option B', desc: 'Option B - 230506' },
+          { id: 3, label: 'Option C', desc: 'Option C - 230506' },
+          { id: 4, label: 'Option A', desc: 'Option A - 230507' },
+        ],
+        value: { id: 3 },
+      })
+    )
+    await nextTick()
+    const options = getOptions()
+    expect(wrapper.find(`.${PLACEHOLDER_CLASS_NAME}`).text()).toBe('Option C')
+    expect(Array.from(options[2].classList)).toContain('is-selected')
+  })
+
   test('sync set value and options', async () => {
     wrapper = _mount(
       `
diff --git a/packages/components/select/src/useOption.ts b/packages/components/select/src/useOption.ts
index 1ecde81b70..1bdd23df7f 100644
--- a/packages/components/select/src/useOption.ts
+++ b/packages/components/select/src/useOption.ts
@@ -11,10 +11,10 @@ export function useOption(props, states) {
 
   // computed
   const itemSelected = computed(() => {
-    if (!select.props.multiple) {
-      return isEqual(props.value, select.props.modelValue)
-    } else {
+    if (select.props.multiple) {
       return contains(select.props.modelValue as unknown[], props.value)
+    } else {
+      return contains([select.props.modelValue] as unknown[], props.value)
     }
   })