diff --git a/utils/raw_to_cog.py b/utils/raw_to_cog.py
index d65f17a..d97a5e6 100644
--- a/utils/raw_to_cog.py
+++ b/utils/raw_to_cog.py
@@ -56,7 +56,9 @@ def tif_to_cog(
         压缩算法, 可选 "DEFLATE" 或 "LZW", by default "DEFLATE"
     """
     logging.info(f"输入文件: {input_path}")
-    ds = gdal.Open(str(input_path))
+    if not os.path.exists(str(input_path)):
+        input_path = str(input_path).replace(".tif", "(2).tif")
+    ds = gdal.Open(input_path)
     if ds is None:
         logging.error(f"无法打开输入文件: {input_path}")
         return
@@ -98,7 +100,7 @@ def tif_to_cog(
     return
 
 
-def main(input_dir, file_name, output_path):
+def main(input_dir, file_name, output_path, output_type=gdal.GDT_Float32):
     input_dir = Path(input_dir)
     output_dir = Path(output_path)
     os.makedirs(output_dir, exist_ok=True)
@@ -109,7 +111,7 @@ def main(input_dir, file_name, output_path):
     output_path = output_dir / file_name
     # 关于无效值
     # Float32 类型可以设为 -9999; 8bit 类型可以设为 0
-    tif_to_cog(str(input_path), str(output_path), no_data=-9999)
+    tif_to_cog(str(input_path), str(output_path), output_type, no_data=-9999)
 
 
 if __name__ == "__main__":