diff --git a/post_pro/merge_tif.py b/post_pro/merge_tif.py
index 9ed3a8f..c02d32b 100644
--- a/post_pro/merge_tif.py
+++ b/post_pro/merge_tif.py
@@ -8,14 +8,12 @@ import fiona
 from edt import edt
 import numpy as np
 import math
-from post_pro.trans_orthophoto import TransOrthophoto
 
 
 class MergeTif:
     def __init__(self, output_dir: str):
         self.output_dir = output_dir
         self.logger = logging.getLogger('UAV_Preprocess.MergeTif')
-        self.trans_orthophoto = TransOrthophoto()
 
     def merge_orthophoto(self, grid_lt):
         """合并网格的正射影像"""
@@ -55,9 +53,6 @@ class MergeTif:
                 self.output_dir, "orthophoto.tif"), orthophoto_vars)
             self.logger.info("所有产品合并完成")
 
-            self.trans_orthophoto.trans_to_epsg4326(os.path.join(self.output_dir, "orthophoto.tif"), os.path.join(
-                self.output_dir, "orthophoto_epsg4326.tif"))
-
         except Exception as e:
             self.logger.error(f"产品合并过程中发生错误: {str(e)}", exc_info=True)
             raise