diff --git a/app/appearance/langs/en_US.json b/app/appearance/langs/en_US.json
index 80c1bf68e..cbf9af50c 100644
--- a/app/appearance/langs/en_US.json
+++ b/app/appearance/langs/en_US.json
@@ -809,7 +809,7 @@
     "20": "Cannot be converted to heading when including sub-documents",
     "21": "Please enter the captcha",
     "22": "The captcha is incorrect",
-    "23": "The data repo is damaged due to external changes (such as using a third-party real-time synchronization disk), please reset the data repo",
+    "23": "The data repo is corrupted due to external changes (such as using a third-party real-time synchronization disk), please reset the data repo",
     "24": "Network timed out, please try again later",
     "25": "The attribute name only supports English letters and digits",
     "26": "Please initialize the data repo key first in [Settings - About - Data repo key]",
diff --git a/app/electron/main.js b/app/electron/main.js
index 47798d9e7..a158f8082 100644
--- a/app/electron/main.js
+++ b/app/electron/main.js
@@ -561,7 +561,7 @@ const initKernel = (initData) => {
           case 23:
             showErrorWindow(
               '⚠️ 无法读写块树文件 Failed to access blocktree file',
-              `<div>块树文件正在被其他程序锁定或者已经损坏，请删除 工作空间/temp/ 文件夹后重启</div><div>The block tree file is being locked by another program or is damaged, please delete the workspace/temp/ folder and restart.</div>`)
+              `<div>块树文件正在被其他程序锁定或者已经损坏，请删除 工作空间/temp/ 文件夹后重启</div><div>The block tree file is being locked by another program or is corrupted, please delete the workspace/temp/ folder and restart.</div>`)
             break
           case 0:
           case 1: // Fatal error
diff --git a/app/guide/20210808180117-6v0mkxr/20200923234731-h3zkwm2.sy b/app/guide/20210808180117-6v0mkxr/20200923234731-h3zkwm2.sy
index a513c464b..80a292793 100644
--- a/app/guide/20210808180117-6v0mkxr/20200923234731-h3zkwm2.sy
+++ b/app/guide/20210808180117-6v0mkxr/20200923234731-h3zkwm2.sy
@@ -1580,7 +1580,7 @@
 			"Children": [
 				{
 					"Type": "NodeText",
-					"Data": "Data synchronization through third-party synchronization disks is not supported, otherwise data may be damaged. Consider manually exporting and importing Data for data synchronization:"
+					"Data": "Data synchronization through third-party synchronization disks is not supported, otherwise data may be corrupted. Consider manually exporting and importing Data for data synchronization:"
 				}
 			]
 		},
diff --git a/kernel/model/conf.go b/kernel/model/conf.go
index ad9caec3c..92e2131f0 100644
--- a/kernel/model/conf.go
+++ b/kernel/model/conf.go
@@ -601,7 +601,9 @@ func GetMaskedConf() (ret *AppConf, err error) {
 	}
 
 	ret.UserData = MaskedUserData
-	ret.AccessAuthCode = MaskedAccessAuthCode
+	if "" != ret.AccessAuthCode {
+		ret.AccessAuthCode = MaskedAccessAuthCode
+	}
 	return
 }
 
diff --git a/kernel/model/session.go b/kernel/model/session.go
index a32ceb41c..c66547821 100644
--- a/kernel/model/session.go
+++ b/kernel/model/session.go
@@ -156,6 +156,11 @@ func CheckReadonly(c *gin.Context) {
 func CheckAuth(c *gin.Context) {
 	//logging.LogInfof("check auth for [%s]", c.Request.RequestURI)
 
+	if "" == Conf.AccessAuthCode {
+		c.Next()
+		return
+	}
+
 	// 放过 /appearance/
 	if strings.HasPrefix(c.Request.RequestURI, "/appearance/") ||
 		strings.HasPrefix(c.Request.RequestURI, "/stage/build/export/") ||