更新验证码插件

uni_modules/uni-captcha/changelog.md

-## 0.6.2（2023-01-10）
+## 0.6.4（2023-01-16）
+- 修复 部分情况下APP端无法获取验证码的问题
+## 0.6.3（2023-01-11）
 - 修复 抖音小程序无法显示的Bug
 - 修复 刷新时兼容 device_uuid
 ## 0.6.1（2022-06-23）

uni_modules/uni-captcha/components/uni-popup-captcha/uni-popup-captcha.vue

@@ -66,7 +66,7 @@
 				this.$refs.popup.close()
 			},
 			confirm() {
-				if(!this.val||this.val.length < 4){
+				if(!this.val){
 					return uni.showToast({
 						title: '请填写验证码',
 						icon: 'none'

uni_modules/uni-captcha/package.json

 {
   "id": "uni-captcha",
   "displayName": "uni-captcha",
-  "version": "0.6.2",
+  "version": "0.6.4",
   "description": "云端一体图形验证码组件",
   "keywords": [
     "captcha",

uni_modules/uni-captcha/uniCloud/cloudfunctions/common/uni-captcha/package.json

 {
   "name": "uni-captcha",
-  "version": "0.2.2",
+  "version": "0.6.4",
   "description": "uni-captcha",
   "main": "index.js",
   "homepage": "https://ext.dcloud.net.cn/plugin?id=4048",