diff --git a/options/locale/locale_en-US.ini b/options/locale/locale_en-US.ini
index ed8700ed2..61a233589 100644
--- a/options/locale/locale_en-US.ini
+++ b/options/locale/locale_en-US.ini
@@ -768,6 +768,7 @@ cloudbrain2 = cloudbrain2
 cloudbrain_selection = select cloudbrain
 cloudbrain_platform_selection = Select the cloudbrain platform you want to use:
 confirm_choice = confirm
+cloudbran1_tips = Only data in zip format can create cloudbrain tasks
 
 template.items = Template Items
 template.git_content = Git Content (Default Branch)
diff --git a/options/locale/locale_zh-CN.ini b/options/locale/locale_zh-CN.ini
index 554c4275d..89db6536c 100755
--- a/options/locale/locale_zh-CN.ini
+++ b/options/locale/locale_zh-CN.ini
@@ -770,6 +770,7 @@ cloudbrain2=云脑2
 cloudbrain_selection=云脑选择
 cloudbrain_platform_selection=选择您准备使用的云脑平台：
 confirm_choice=确定
+cloudbran1_tips=只有zip格式的数据集才能发起云脑任务
 
 template.items=模板选项
 template.git_content=Git数据(默认分支)
diff --git a/routers/user/setting/profile.go b/routers/user/setting/profile.go
index a385f2cac..3333a8cc4 100755
--- a/routers/user/setting/profile.go
+++ b/routers/user/setting/profile.go
@@ -90,23 +90,12 @@ func ProfilePost(ctx *context.Context, form auth.UpdateProfileForm) {
 	}
 
 	ctx.User.FullName = form.FullName
-	ctx.User.Email = form.Email
+
 	ctx.User.KeepEmailPrivate = form.KeepEmailPrivate
 	ctx.User.Website = form.Website
 	ctx.User.Location = form.Location
 	ctx.User.Language = form.Language
 	ctx.User.Description = form.Description
-	isUsed, err := models.IsEmailUsed(form.Email)
-	if err != nil {
-		ctx.ServerError("IsEmailUsed", err)
-		return
-	}
-
-	if isUsed {
-		ctx.Flash.Error(ctx.Tr("form.email_been_used"))
-		ctx.Redirect(setting.AppSubURL + "/user/settings")
-		return
-	}
 
 	if err := models.UpdateUserSetting(ctx.User); err != nil {
 		if _, ok := err.(models.ErrEmailAlreadyUsed); ok {
diff --git a/templates/user/settings/profile.tmpl b/templates/user/settings/profile.tmpl
index f6fb7a7ae..ff677f35f 100644
--- a/templates/user/settings/profile.tmpl
+++ b/templates/user/settings/profile.tmpl
@@ -23,7 +23,8 @@
 				</div>
 				<div class="required field {{if .Err_Email}}error{{end}}">
 					<label for="email">{{.i18n.Tr "email"}}</label>
-					<input id="email" name="email" disabled value="{{.SignedUser.Email}}">
+					<input type="hidden"  id="email" name="email" value="{{.SignedUser.Email}}" >
+					<input  disabled value="{{.SignedUser.Email}}">
 				</div>
 				<div class="inline field">
 					<div class="ui checkbox" id="keep-email-private">
diff --git a/web_src/js/components/MinioUploader.vue b/web_src/js/components/MinioUploader.vue
index 243c627c5..8b23fe7de 100755
--- a/web_src/js/components/MinioUploader.vue
+++ b/web_src/js/components/MinioUploader.vue
@@ -1,5 +1,8 @@
 <template>
   <div class="dropzone-wrapper dataset-files">
+    <div class="ui pointing below red basic label">
+      <i class="icon info circle"></i>只有zip格式的数据集才能发起云脑任务 
+  </div>
     <div
       id="dataset"
       class="dropzone"