更改：compare接口

app/services/api/v1/projects/compare_service.rb

@@ -29,6 +29,6 @@ class Api::V1::Projects::CompareService < ApplicationService
   end
 
   def load_gitea_data 
-    @gitea_data = $gitea_client.get_repos_compare_by_owner_repo_from_to(owner, repo, from, to, {query: request_params}) rescue nil
+    @gitea_data = $gitea_hat_client.get_repos_compare_by_owner_repo_baseref_headref(owner, repo, to, from, {query: request_params}) rescue nil
   end
 end

app/views/api/v1/projects/compare.json.jbuilder

@@ -14,5 +14,9 @@ json.commits @result_object['Commits'] do |commit|
   json.parent_shas commit['Sha']['ParentShas']
 end
 json.diff do 
-  json.partial! "api/v1/projects/simple_gitea_diff_detail", diff: @result_object['Diff']
+  if @result_object['Diff'].present? 
+    json.partial! "api/v1/projects/simple_gitea_diff_detail", diff: @result_object['Diff']
+  else 
+    json.nil! 
+  end
 end