fix(components): [el-select] (#5952)

packages/components/select/__tests__/select.spec.ts

@@ -1685,4 +1685,30 @@ describe('Select', () => {
       ).toBe('')
     })
   })
+
+  it('multiple select has an initial value', async () => {
+    const options = [{ value: `value:Alaska`, label: `label:Alaska` }]
+    const modelValue = [{ value: `value:Alaska`, label: `label:Alaska` }]
+    const wrapper = _mount(
+      `
+    <el-select v-model="modelValue"
+      multiple
+      value-key="value"
+      filterable>
+      <el-option
+        v-for="option in options"
+        :key="option.value"
+        :value="option.value"
+        :label="option.label"
+      >
+      </el-option>
+    </el-select>`,
+      () => ({
+        modelValue,
+        options,
+      })
+    )
+    const select = wrapper.findComponent({ name: 'ElSelect' }).vm
+    expect(select.selected[0].currentLabel).toBe(options[0].label)
+  })
 })

packages/components/select/src/useSelect.ts

@@ -476,7 +476,11 @@ export const useSelect = (props, states: States, ctx) => {
       }
     }
     if (option) return option
-    const label = !isObjectValue && !isNull && !isUndefined ? value : ''
+    const label = isObjectValue
+      ? value.label
+      : !isNull && !isUndefined
+      ? value
+      : ''
     const newOption = {
       value,
       currentLabel: label,