diff --git a/app/forms/base_form.rb b/app/forms/base_form.rb
index 437217f00..be1c1e1a1 100644
--- a/app/forms/base_form.rb
+++ b/app/forms/base_form.rb
@@ -26,6 +26,26 @@ class BaseForm
     raise "项目标识已被占用." if ReversedKeyword.check_exists?(repository_name)
   end
 
+  def check_password(password)
+    password = strip(password)
+    raise PasswordFormatError, "密码8~16位密码，支持字母数字和符号" unless password =~ CustomRegexp::PASSWORD
+  end
+
+  def check_password_confirmation(password, password_confirmation)
+    password = strip(password)
+    password_confirmation = strip(password_confirmation)
+
+    raise PasswordFormatError, "确认密码为8~16位密码，支持字母数字和符号" unless password_confirmation =~ CustomRegexp::PASSWORD
+    raise PasswordConfirmationError, "两次输入的密码不一致" unless password == password_confirmation
+  end
+
+  def check_verifi_code(verifi_code, code)
+    code = strip(code)
+    # return if code == "123123" # TODO 万能验证码，用于测试
+    raise VerifiCodeError, "验证码已失效" if !verifi_code&.effective?
+    raise VerifiCodeError, "验证码不正确" if verifi_code&.code != code
+  end
+
   private
   def strip(str)
     str.to_s.strip.presence
diff --git a/app/models/issue.rb b/app/models/issue.rb
index 9c195d121..cecc4678c 100644
--- a/app/models/issue.rb
+++ b/app/models/issue.rb
@@ -153,6 +153,10 @@ class Issue < ApplicationRecord
     end
   end
 
+  def is_collaborators?
+    self.assigned_to_id.present? ? self.project.member?(self.assigned_to_id) : false
+  end
+
   def get_issue_tags_name
     if issue_tags.present?
       issue_tags.select(:name).uniq.pluck(:name).join(",")
diff --git a/app/views/issues/edit.json.jbuilder b/app/views/issues/edit.json.jbuilder
index eae63c3c7..5b8ff23ba 100644
--- a/app/views/issues/edit.json.jbuilder
+++ b/app/views/issues/edit.json.jbuilder
@@ -5,6 +5,7 @@ json.done_ratio @issue.done_ratio.to_s + "%"
 json.issue_tags @issue.get_issue_tags
 json.cannot_edit_tags @cannot_edit_tags
 json.issue_current_user @issue.author_id == current_user.try(:id)
+json.assigned_to_id @issue.is_collaborators? ? @issue.assigned_to_id : nil
 # json.issue_chosen @issue_chosen
 # json.branches @all_branches
 json.attachments do
diff --git a/config/locales/forms/projects_create_form.zh-CN.yml b/config/locales/forms/projects_create_form.zh-CN.yml
index e36a0520a..54de8e71a 100644
--- a/config/locales/forms/projects_create_form.zh-CN.yml
+++ b/config/locales/forms/projects_create_form.zh-CN.yml
@@ -1,7 +1,7 @@
-'zh-CN':
-  activemodel:
-    attributes:
-      projects/create_form:
-        name: 项目名称
-        repository_name: 仓库名称
+'zh-CN':
+  activemodel:
+    attributes:
+      projects/create_form:
+        name: 项目名称
+        repository_name: 项目标识
         description: 项目简介
\ No newline at end of file