diff --git a/utils/train.py b/utils/train.py
index 9905dba..42f7e10 100644
--- a/utils/train.py
+++ b/utils/train.py
@@ -147,7 +147,7 @@ class Train:
                                                  time.strftime("%Y-%m-%d-%H-%M-%S", time.localtime(self.now_time))))
                                              , input_names, output_names, dynamic_ax)
                         with open(os.path.join(self.models_path, "charsets.json"), 'w', encoding="utf-8") as f:
-                            f.write(json.dumps({"charset": self.net.charset, "image": [self.resize]}, ensure_ascii=False))
+                            f.write(json.dumps({"charset": self.net.charset, "image": self.resize}, ensure_ascii=False))
                         logger.info("\nExport Finished!Using Time: {}min".format(
                             str(int(int(self.now_time) - int(self.start_time)) / 60)))
                         exit()