From e585d7b04bf43f9c39c61772026ba7362969aade Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E7=8E=8B=E5=8F=A8=E5=8F=A8?= <hi@wangdaodao.com>
Date: Tue, 16 Nov 2021 11:18:46 +0800
Subject: [PATCH] Cascader: fix 'v-model' directives require the attribute
 value which is valid as LHS.

---
 packages/cascader/src/cascader.vue | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/packages/cascader/src/cascader.vue b/packages/cascader/src/cascader.vue
index 25e0ff6b7..268dc05b2 100644
--- a/packages/cascader/src/cascader.vue
+++ b/packages/cascader/src/cascader.vue
@@ -14,7 +14,7 @@
 
     <el-input
       ref="input"
-      v-model="multiple ? presentText : inputValue"
+      v-model="realModel"
       :size="realSize"
       :placeholder="placeholder"
       :readonly="readonly"
@@ -296,6 +296,18 @@ export default {
     },
     panel() {
       return this.$refs.panel;
+    },
+    realModel: {
+      get() {
+        return this.multiple ? this.presentText : this.inputValue;
+      },
+      set(val) {
+        if (this.multiple) {
+          this.presentText = val;
+        } else {
+          this.inputValue = val;
+        }
+      }
     }
   },