diff --git a/codes/trainer/eval/sr_diffusion_fid.py b/codes/trainer/eval/sr_diffusion_fid.py
index 1891487f..74e834b5 100644
--- a/codes/trainer/eval/sr_diffusion_fid.py
+++ b/codes/trainer/eval/sr_diffusion_fid.py
@@ -55,5 +55,8 @@ class SrDiffusionFidEvaluator(evaluator.Evaluator):
                     torchvision.utils.save_image(g, osp.join(fid_fake_path, f"{counter}.png"))
                     counter += 1
 
-        return {"fid": fid_score.calculate_fid_given_paths([self.fid_real_samples, fid_fake_path], self.fid_batch_size,
-                                                           True, 2048)}
\ No newline at end of file
+        if self.env['rank'] <= 0:
+            return {"fid": fid_score.calculate_fid_given_paths([self.fid_real_samples, fid_fake_path], self.fid_batch_size,
+                                                               True, 2048)}
+        else:
+            return {}