附件上传报错问题：

app/controllers/attachments_controller.rb

@@ -28,52 +28,57 @@ class AttachmentsController < ApplicationController
   def create
     # 1. 本地存储
     # 2. 上传到云
-    upload_file = params["file"] || params["#{params[:file_param_name]}"] # 这里的file_param_name是为了方便其他插件名称
-    uid_logger("#########################file_params####{params["#{params[:file_param_name]}"]}")
-    raise "未上传文件" unless upload_file
-
-    folder = edu_setting('attachment_folder')
-    raise "存储目录未定义" unless folder.present?
-
-    month_folder = current_month_folder
-    save_path = File.join(folder, month_folder)
-
-    ext = file_ext(upload_file.original_filename)
-
-    local_path, digest = file_save_to_local(save_path, upload_file.tempfile, ext)
-
-    content_type = upload_file.content_type.presence || 'application/octet-stream'
-
-    # remote_path = file_save_to_ucloud(local_path[folder.size, local_path.size], local_path, content_type)
-    remote_path = nil # TODO 暂时本地上传，待域名配置后方可上传至云端
-
-    logger.info "local_path: #{local_path}"
-    logger.info "remote_path: #{remote_path}"
-
-
-    disk_filename = local_path[save_path.size + 1, local_path.size]
-    #存数据库
-    #
-    @attachment = Attachment.where(disk_filename: disk_filename,
-                                   author_id: current_user.id,
-                                   cloud_url: remote_path).first
-    if @attachment.blank?
-      @attachment = Attachment.new
-      @attachment.filename = upload_file.original_filename
-      @attachment.disk_filename = local_path[save_path.size + 1, local_path.size]
-      @attachment.filesize = upload_file.tempfile.size
-      @attachment.content_type = content_type
-      @attachment.digest = digest
-      @attachment.author_id = current_user.id
-      @attachment.disk_directory = month_folder
-      @attachment.cloud_url = remote_path
-      @attachment.disk_directory = save_path
-      @attachment.save!
-    else
-      logger.info "文件已存在，id = #{@attachment.id}, filename = #{@attachment.filename}"
-    end
+    begin
+      upload_file = params["file"] || params["#{params[:file_param_name]}"] # 这里的file_param_name是为了方便其他插件名称
+      uid_logger("#########################file_params####{params["#{params[:file_param_name]}"]}")
+      raise "未上传文件" unless upload_file
+
+      folder = edu_setting('attachment_folder')
+      raise "存储目录未定义" unless folder.present?
+
+      month_folder = current_month_folder
+      save_path = File.join(folder, month_folder)
+
+      ext = file_ext(upload_file.original_filename)
+
+      local_path, digest = file_save_to_local(save_path, upload_file.tempfile, ext)
+
+      content_type = upload_file.content_type.presence || 'application/octet-stream'
+
+      # remote_path = file_save_to_ucloud(local_path[folder.size, local_path.size], local_path, content_type)
+      remote_path = nil # TODO 暂时本地上传，待域名配置后方可上传至云端
+
+      logger.info "local_path: #{local_path}"
+      logger.info "remote_path: #{remote_path}"
+
+
+      disk_filename = local_path[save_path.size + 1, local_path.size]
+      #存数据库
+      #
+      @attachment = Attachment.where(disk_filename: disk_filename,
+                                     author_id: current_user.id,
+                                     cloud_url: remote_path).first
+      if @attachment.blank?
+        @attachment = Attachment.new
+        @attachment.filename = upload_file.original_filename
+        @attachment.disk_filename = local_path[save_path.size + 1, local_path.size]
+        @attachment.filesize = upload_file.tempfile.size
+        @attachment.content_type = content_type
+        @attachment.digest = digest
+        @attachment.author_id = current_user.id
+        @attachment.disk_directory = month_folder
+        @attachment.cloud_url = remote_path
+        @attachment.disk_directory = save_path
+        @attachment.save!
+      else
+        logger.info "文件已存在，id = #{@attachment.id}, filename = #{@attachment.filename}"
+      end
 
-    render_json
+      render_json
+    rescue => e
+      uid_logger_error(e.message)
+      tip_exception(e.message)
+    end
   end
 
   def destroy