修复

routers/hat/repo/pull_version.go

@@ -117,10 +117,11 @@ func GetPullRequestVersionDiff(ctx *context.APIContext) {
 					}
 					targetDiffFile.Diff = strings.Join(afterStrings, "\n")
 				}
+				targetDiffFile.DiffFile = file
 				break
 			}
 		}
-		if targetDiffFile == nil {
+		if targetDiffFile.DiffFile == nil {
 			ctx.NotFound()
 		} else {
 			ctx.JSON(http.StatusOK, targetDiffFile)

services/gitdiff/gitdiff.go

@@ -5,6 +5,6 @@ import (
 )
 
 type DiffFile struct {
-	gitea_gitdiff.DiffFile
+	*gitea_gitdiff.DiffFile
 	Diff string
 }