diff --git a/app/controllers/api/v1/project_topics_controller.rb b/app/controllers/api/v1/project_topics_controller.rb
index 46ae4cee0..daa0a5a66 100644
--- a/app/controllers/api/v1/project_topics_controller.rb
+++ b/app/controllers/api/v1/project_topics_controller.rb
@@ -2,7 +2,7 @@ class Api::V1::ProjectTopicsController < Api::V1::BaseController
 
   def index 
     @project_topics = ProjectTopic
-    @project_topics = @project_topics.ransack(name_cont: params[:keyword]) if params[:keyword].present?
+    @project_topics = @project_topics.ransack(name_cont: params[:keyword]).result if params[:keyword].present?
     # @project_topics = @project_topics.includes(:projects)
     @project_topics = kaminary_select_paginate(@project_topics)
   end
diff --git a/app/controllers/repositories_controller.rb b/app/controllers/repositories_controller.rb
index ad7acc986..38d810c49 100644
--- a/app/controllers/repositories_controller.rb
+++ b/app/controllers/repositories_controller.rb
@@ -368,6 +368,7 @@ class RepositoriesController < ApplicationController
 
   def content_params
     {
+      base64_filepath: params[:base64_filepath],
       filepath: params[:filepath],
       branch: params[:branch],
       new_branch: params[:new_branch],
diff --git a/app/interactors/gitea/create_file_interactor.rb b/app/interactors/gitea/create_file_interactor.rb
index 70e2f6e81..f3db28417 100644
--- a/app/interactors/gitea/create_file_interactor.rb
+++ b/app/interactors/gitea/create_file_interactor.rb
@@ -56,6 +56,8 @@ module Gitea
       else 
         @params[:filepath]
       end
+    rescue
+      @params[:filepath]
     end
 
     def valid_params
diff --git a/app/interactors/gitea/delete_file_interactor.rb b/app/interactors/gitea/delete_file_interactor.rb
index f94b8a205..84cd92ff6 100644
--- a/app/interactors/gitea/delete_file_interactor.rb
+++ b/app/interactors/gitea/delete_file_interactor.rb
@@ -51,10 +51,12 @@ module Gitea
 
     def file_path 
       if @params[:base64_filepath].present? 
-        Base64.decode64(params[:base64_filepath])
+        Base64.strict_decode64(params[:base64_filepath])
       else 
         @params[:filepath]
       end
+    rescue
+      @params[:filepath]
     end
 
     def valid_params
diff --git a/app/interactors/gitea/update_file_interactor.rb b/app/interactors/gitea/update_file_interactor.rb
index 1b729e2c8..321f00ade 100644
--- a/app/interactors/gitea/update_file_interactor.rb
+++ b/app/interactors/gitea/update_file_interactor.rb
@@ -50,18 +50,22 @@ module Gitea
 
     def file_path 
       if @params[:base64_filepath].present? 
-        Base64.decode64(params[:base64_filepath])
+        Base64.strict_decode64(params[:base64_filepath])
       else 
         @params[:filepath]
       end
+    rescue
+      @params[:filepath]
     end
 
     def from_file_path 
       if @params[:base64_from_path].present? 
-        Base64.decode64(params[:base64_from_path])
+        Base64.strict_decode64(params[:base64_from_path])
       else 
         @params[:from_path]
       end
+    rescue
+      @params[:from_path]
     end
 
     def valid_params
diff --git a/app/services/gitea/repository/entries/create_service.rb b/app/services/gitea/repository/entries/create_service.rb
index 406106744..6a80e1d62 100644
--- a/app/services/gitea/repository/entries/create_service.rb
+++ b/app/services/gitea/repository/entries/create_service.rb
@@ -61,7 +61,9 @@ class Gitea::Repository::Entries::CreateService < Gitea::ClientService
       else
         if json_parse!(body)["message"].present? &&  json_parse!(body)["message"].starts_with?("branch already exists")
           error("#{@body[:new_branch]}分支已存在!")
-        else 
+        elsif json_parse!(body)["message"].present? && json_parse!(body)["message"].starts_with?("illegal base64 data at input byte 4")
+          error("文件内容必须是base64编码的!")
+        else
           error("#{filepath}文件已存在，不能重复创建!")
         end
       end
diff --git a/app/services/pull_requests/create_service.rb b/app/services/pull_requests/create_service.rb
index 31e6b1fd8..1723c7f29 100644
--- a/app/services/pull_requests/create_service.rb
+++ b/app/services/pull_requests/create_service.rb
@@ -187,7 +187,7 @@ class PullRequests::CreateService < ApplicationService
   def compare_head_base!
     head = pull_request.is_original && @params[:merge_user_login] ? "#{@params[:merge_user_login]}/#{@params[:merge_project_identifier]}:#{@params[:head]}" : @params[:head]
     compare_result = Gitea::Repository::Commits::CompareService.call(@owner.login, @project.identifier, Addressable::URI.escape(@params[:base]), Addressable::URI.escape(head), @current_user.gitea_token)
-    raise '分支内容相同，无需创建合并请求' if compare_result["Commits"].blank? && compare_result["Diff"].blank?
+    raise '分支内容相同，无需创建合并请求' if compare_result["Commits"].blank? && compare_result["Diff"].blank? && compare_result["FilesCount"].zero?
   end
 
   def is_original
diff --git a/app/services/repositories/migrate_service.rb b/app/services/repositories/migrate_service.rb
index 4c3d4668d..89145e33f 100644
--- a/app/services/repositories/migrate_service.rb
+++ b/app/services/repositories/migrate_service.rb
@@ -32,7 +32,7 @@ class Repositories::MigrateService < ApplicationService
       private: params[:hidden],
       mirror: wrapper_mirror || false,
       auth_username: params[:login],
-      auth_password: Base64.decode64(params[:password] || ""),
+      auth_password: base64_decode_password,
       auth_token: params[:auth_token],
       service: params[:service] || 'git',
     }
@@ -41,4 +41,10 @@ class Repositories::MigrateService < ApplicationService
   def wrapper_mirror
     ActiveModel::Type::Boolean.new.cast(params[:is_mirror])
   end
+
+  def base64_decode_password
+    Base64.strict_decode64(params[:password] || "")
+  rescue
+    params[:password]
+  end
 end