diff --git a/src/pages/OrganizationDetailPage/OrganizationCard.js b/src/pages/OrganizationDetailPage/OrganizationCard.js
index f343d03..1e6e129 100644
--- a/src/pages/OrganizationDetailPage/OrganizationCard.js
+++ b/src/pages/OrganizationDetailPage/OrganizationCard.js
@@ -33,7 +33,7 @@ const OrganizationCard = ({ userData, loadDataFun, id }) => {
             addressLine3: yup.string().max(255, "length must <= 255"),
             fax_countryCode: yup.string().min(3, '請輸入國際區號').nullable(),
             tel_countryCode: yup.string().min(3, '請輸入國際區號'),
-            phoneNumber: yup.string().min(8).required('請輸入聯絡電話'),
+            phoneNumber: yup.string().min(8,'請輸入有效聯絡電話').required('請輸入聯絡電話'),
             faxNumber: yup.string().min(8, '請輸入8位數字').nullable(),
             brExpiryDate: yup.string().min(8).required('請輸入商業登記證有效日期'),
             brNo: yup.string().min(8, '請輸入有效商業登記證號碼').max(8, '請輸入有效商業登記證號碼').required('請輸入商業登記證號碼'),
diff --git a/src/pages/authentication/auth-forms/AuthLoginCustom.js b/src/pages/authentication/auth-forms/AuthLoginCustom.js
index a4c56ff..d2f9f6a 100644
--- a/src/pages/authentication/auth-forms/AuthLoginCustom.js
+++ b/src/pages/authentication/auth-forms/AuthLoginCustom.js
@@ -184,7 +184,7 @@ const AuthLoginCustom = () => {
                   error={Boolean(formik.touched.username && formik.errors.username)}
                   onBlur={formik.handleBlur}
                   inputProps={{
-                    maxLength: 20,
+                    maxLength: 50,
                     onKeyDown: (e) => {
                         if (e.key === 'Enter') {
                             e.preventDefault();