From 6be6213fb909e1f2ea8a305e92a9e931c5e9935c Mon Sep 17 00:00:00 2001
From: 2betop <2betop.cn@gmail.com>
Date: Wed, 19 May 2021 21:58:06 +0800
Subject: [PATCH] =?UTF-8?q?uuid=20=E6=9C=89=E5=80=BC=E6=97=B6=E4=B8=8D?=
 =?UTF-8?q?=E8=AE=BE=E7=BD=AE,=20=E6=B2=A1=E5=80=BC=E8=87=AA=E5=8A=A8?=
 =?UTF-8?q?=E8=AE=BE=E7=BD=AE?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/renderers/Form/UUID.tsx | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/src/renderers/Form/UUID.tsx b/src/renderers/Form/UUID.tsx
index a1a88cd51..e4e7a6267 100644
--- a/src/renderers/Form/UUID.tsx
+++ b/src/renderers/Form/UUID.tsx
@@ -20,6 +20,19 @@ export default class UUIDControl extends React.Component<
 > {
   constructor(props: FormControlProps) {
     super(props);
+    if (!props.value) {
+      this.setValue();
+    }
+  }
+
+  componentDidUpdate(props: FormControlProps) {
+    if (!props.value) {
+      this.setValue();
+    }
+  }
+
+  setValue() {
+    const props = this.props;
     let uuid = uuidv4();
     if (props.length) {
       uuid = uuid.substring(0, props.length);