diff --git a/atmosphericDelay/AtmosphericDelayMain.py b/atmosphericDelay/AtmosphericDelayMain.py
index 552980ad..af2a815a 100644
--- a/atmosphericDelay/AtmosphericDelayMain.py
+++ b/atmosphericDelay/AtmosphericDelayMain.py
@@ -804,7 +804,7 @@ class AtmosphericMain:
         self.imageHandler.band_merge(limit_lon, limit_lat, ori_sim)
         if not os.path.exists(ori_sim):
             logger.error("create ori_sim failed")
-        scopes = self.get_scopes(ori_sim)
+        scopes = self.imageHandler.get_scopes(ori_sim)
         self.transformZtd(scopes, ori_sim, out_mas_ztd_path, geo_mas_ztd_path)   # 主影像ztd进行地理编码
         self.transformZtd(scopes, ori_sim, out_aux_ztd_path, geo_aux_ztd_path)   # 辅影像ztd进行地理编码
 
diff --git a/tool/algorithm/image/ImageHandle.py b/tool/algorithm/image/ImageHandle.py
index 227b77f9..55724008 100644
--- a/tool/algorithm/image/ImageHandle.py
+++ b/tool/algorithm/image/ImageHandle.py
@@ -624,11 +624,25 @@ class ImageHandler:
         lon_arr = self.get_data(lon)
         lat_arr = self.get_data(lat)
         temp = np.zeros((2, lon_arr.shape[0], lon_arr.shape[1]), dtype=float)
-        temp[0, :, :] = lon_arr
-        temp[1, :, :] = lat_arr
+        temp[0, :, :] = lon_arr[:, :]
+        temp[1, :, :] = lat_arr[:, :]
         self.write_img(ori_sim, '', [0.0, 1.0, 0.0, 0.0, 0.0, 1.0], temp, '0')
 
 
+    def get_scopes(self, ori_sim):
+        ori_sim_data = self.get_data(ori_sim)
+        lon = ori_sim_data[0, :, :]
+        lat = ori_sim_data[1, :, :]
+
+        min_lon = np.nanmin(np.where((lon != 0) & ~np.isnan(lon), lon, np.inf))
+        max_lon = np.nanmax(np.where((lon != 0) & ~np.isnan(lon), lon, -np.inf))
+        min_lat = np.nanmin(np.where((lat != 0) & ~np.isnan(lat), lat, np.inf))
+        max_lat = np.nanmax(np.where((lat != 0) & ~np.isnan(lat), lat, -np.inf))
+
+        scopes = [[min_lon, max_lat], [max_lon, max_lat], [min_lon, min_lat], [max_lon, min_lat]]
+        return scopes
+
+
 # if __name__ == '__main__':
 #     path = r'D:\BaiduNetdiskDownload\GZ\lon.rdr'
 #     path2 = r'D:\BaiduNetdiskDownload\GZ\lat.rdr'