diff --git a/backend/app/dto/image_repo.go b/backend/app/dto/image_repo.go
index 7cfda3dfc120..ea5275106716 100644
--- a/backend/app/dto/image_repo.go
+++ b/backend/app/dto/image_repo.go
@@ -6,8 +6,8 @@ type ImageRepoCreate struct {
 	Name        string `json:"name" validate:"required"`
 	DownloadUrl string `json:"downloadUrl"`
 	Protocol    string `json:"protocol"`
-	Username    string `json:"username"`
-	Password    string `json:"password"`
+	Username    string `json:"username" validate:"max=256"`
+	Password    string `json:"password" validate:"max=256"`
 	Auth        bool   `json:"auth"`
 }
 
diff --git a/backend/app/dto/remote_db.go b/backend/app/dto/remote_db.go
index d1a7db846e32..dda319d17336 100644
--- a/backend/app/dto/remote_db.go
+++ b/backend/app/dto/remote_db.go
@@ -30,7 +30,7 @@ type RemoteDBOption struct {
 }
 
 type RemoteDBCreate struct {
-	Name        string `json:"name" validate:"required"`
+	Name        string `json:"name" validate:"required,max=256"`
 	Type        string `json:"type" validate:"required,oneof=mysql"`
 	From        string `json:"from" validate:"required,oneof=local remote"`
 	Version     string `json:"version" validate:"required"`
diff --git a/backend/app/service/database_mysql.go b/backend/app/service/database_mysql.go
index ae5f0fcf8d57..76150698f8ff 100644
--- a/backend/app/service/database_mysql.go
+++ b/backend/app/service/database_mysql.go
@@ -163,7 +163,7 @@ func (u *MysqlService) LoadFromRemote(from string) error {
 	for _, data := range datas {
 		hasOld := false
 		for _, oldData := range databases {
-			if oldData.Name == data.Name {
+			if strings.EqualFold(oldData.Name, data.Name) {
 				hasOld = true
 				break
 			}
diff --git a/frontend/src/global/form-rules.ts b/frontend/src/global/form-rules.ts
index 089e4574caa2..0e7e2d665c27 100644
--- a/frontend/src/global/form-rules.ts
+++ b/frontend/src/global/form-rules.ts
@@ -137,7 +137,7 @@ const checkDBName = (rule: any, value: any, callback: any) => {
     if (value === '' || typeof value === 'undefined' || value == null) {
         callback(new Error(i18n.global.t('commons.rule.dbName')));
     } else {
-        const reg = /^[a-z0-9\u4e00-\u9fa5]{1}[a-z0-9_.\u4e00-\u9fa5-]{0,64}$/;
+        const reg = /^[a-zA-Z0-9\u4e00-\u9fa5]{1}[a-zA-Z0-9_.\u4e00-\u9fa5-]{0,64}$/;
         if (!reg.test(value) && value !== '') {
             callback(new Error(i18n.global.t('commons.rule.dbName')));
         } else {
diff --git a/frontend/src/lang/modules/en.ts b/frontend/src/lang/modules/en.ts
index eb86b1cf1565..8256c4c405e9 100644
--- a/frontend/src/lang/modules/en.ts
+++ b/frontend/src/lang/modules/en.ts
@@ -154,7 +154,7 @@ const message = {
             commonName: 'Support English, Chinese, numbers, .-, and _ length 1-30',
             userName: 'Support English, Chinese, numbers and _ length 3-30',
             simpleName: 'Support English, numbers and _ length 1-30',
-            dbName: 'Support lowercase letters, Chinese, numbers, .-, and _ length 1-64',
+            dbName: 'Support English, Chinese, numbers, .-, and _ length 1-64',
             imageName: 'Support English, numbers, :/.-_, length 1-150',
             volumeName: 'Support English, numbers, .-_, length 2-30',
             complexityPassword:
diff --git a/frontend/src/lang/modules/tw.ts b/frontend/src/lang/modules/tw.ts
index 666ab0dedfa8..ab62b7e3bd0e 100644
--- a/frontend/src/lang/modules/tw.ts
+++ b/frontend/src/lang/modules/tw.ts
@@ -155,7 +155,7 @@ const message = {
             commonName: '支持英文、中文、數字、.-和_,長度1-30',
             userName: '支持英文、中文、數字和_,長度3-30',
             simpleName: '支持英文、數字、_,長度1-30',
-            dbName: '支持小寫字母、中文、數字、.-_,長度1-64',
+            dbName: '支持英文、中文、數字、.-_,長度1-64',
             imageName: '支持英文、數字、:/.-_,長度1-150',
             volumeName: '支持英文、數字、.-和_,長度2-30',
             complexityPassword: '請輸入長度大於 8 位且包含字母、數字、特殊字符至少兩項的密碼組合',
diff --git a/frontend/src/lang/modules/zh.ts b/frontend/src/lang/modules/zh.ts
index 3ae30a7b9d8e..fbf1fcea585b 100644
--- a/frontend/src/lang/modules/zh.ts
+++ b/frontend/src/lang/modules/zh.ts
@@ -155,7 +155,7 @@ const message = {
             commonName: '支持英文、中文、数字、.-和_,长度1-30',
             userName: '支持英文、中文、数字和_,长度3-30',
             simpleName: '支持英文、数字、_,长度1-30',
-            dbName: '支持小写字母、中文、数字、.-_,长度1-64',
+            dbName: '支持英文、中文、数字、.-_,长度1-64',
             imageName: '支持英文、数字、:/.-_,长度1-150',
             volumeName: '支持英文、数字、.-和_,长度2-30',
             complexityPassword: '请输入长度大于 8 位且包含字母、数字、特殊字符至少两项的密码组合',
diff --git a/frontend/src/views/container/repo/index.vue b/frontend/src/views/container/repo/index.vue
index 4fd2ca16f95d..830ab01fd69c 100644
--- a/frontend/src/views/container/repo/index.vue
+++ b/frontend/src/views/container/repo/index.vue
@@ -173,7 +173,7 @@ const buttons = [
     {
         label: i18n.global.t('commons.button.sync'),
         disabled: (row: Container.RepoInfo) => {
-            return row.downloadUrl === 'docker.io';
+            return row.id === 1;
         },
         click: (row: Container.RepoInfo) => {
             onCheckConn(row);
@@ -182,7 +182,7 @@ const buttons = [
     {
         label: i18n.global.t('commons.button.edit'),
         disabled: (row: Container.RepoInfo) => {
-            return row.downloadUrl === 'docker.io';
+            return row.id === 1;
         },
         click: (row: Container.RepoInfo) => {
             onOpenDialog('edit', row);
@@ -191,7 +191,7 @@ const buttons = [
     {
         label: i18n.global.t('commons.button.delete'),
         disabled: (row: Container.RepoInfo) => {
-            return row.downloadUrl === 'docker.io';
+            return row.id === 1;
         },
         click: (row: Container.RepoInfo) => {
             onDelete(row);