diff --git a/tools/downxmps.py b/tools/downxmps.py
index 5686ec4..ef4c256 100644
--- a/tools/downxmps.py
+++ b/tools/downxmps.py
@@ -7,27 +7,37 @@ else:
     
 import config, libs, libs_db
 
-def down_xmps_from_oss(psid):
+def down_xmps_from_oss(psid,pid = ""):
     def need_down():
         filename = f'xmps/{psid}/{psid}.rcbox'
         if not config.oss_bucket.object_exists(filename):
             print(f'未找到{filename}, 请检查是否已经上传{psid}号影棚坐标文件')
             time.sleep(5)
             return False
+        #获取到oss上文件rcbox的最后修改时间
         oss_file_last_modified = float(config.oss_bucket.get_object_meta(filename).last_modified)
+        #本地文件的路径
         local_file = os.path.join(config_path, 'xmps', psid, f'{psid}.rcbox')
+        #判断本地文件是否存在 rcbox文件
         if not os.path.exists(local_file): 
+            #不存在本地文件,从云端进行下载
             print(f'未找到{local_file}, 需要下载影棚坐标文件')
             os.makedirs(os.path.join(config_path, 'xmps', psid), exist_ok=True)
             config.oss_bucket.get_object_to_file(filename, local_file)
             return True
+        #文件已在本地存在,则判断本地时间先后问题
         local_file_last_modified = os.path.getmtime(local_file)
         if oss_file_last_modified > local_file_last_modified:
             print(f'本地{local_file}文件已过期, 需要下载影棚坐标文件')
             config.oss_bucket.get_object_to_file(filename, local_file)
             return True
-        
-    if not need_down(): return
+    
+    #在有pid 的情况下判断是否要从云端下载影棚坐标文件
+    if pid != "":
+        if local_and_remote_file_time(psid,pid) == "local_file_best_new":
+            return
+    else:
+        if not need_down(): return
 
     print('正在下载影棚坐标文件')
     dest_path = os.path.join(config_path, 'xmps', psid)
@@ -56,6 +66,31 @@ def down_xmps_from_oss(psid):
 
     print('下载完成')
 
+
+#判断远程文件和本地文件的时间问题
+def local_and_remote_file_time(psid,pid):
+    #远程文件的路径
+    config_path = os.path.join(config.sharedir, 'libs')
+    xmps_mesh_path = os.path.join(config_path, 'xmps', psid, 'mesh')
+    remotefile = os.path.join(xmps_mesh_path, '11_1.xmp')
+    #本地文件的路劲
+    input_path = os.path.join(config.workdir, pid)
+    ImagesGeometry = os.path.join(input_path, "photo1")
+    localfile = os.path.join(ImagesGeometry, '11_1.xmp')
+    print(f'比对本地文件和远程文件的时间先后--remotefile: {remotefile}, localfile: {localfile}')
+    if os.path.exists(localfile):
+        remotefile_last_modified = os.path.getmtime(remotefile)
+        localfile_last_modified = os.path.getmtime(localfile)
+        if remotefile_last_modified <= localfile_last_modified:
+            print(f'本地{localfile}文件已是最新,')
+            return "local_file_best_new"
+        
+        else:
+            print(f'本地{remotefile}文件最新')
+            return "remote_file_best_new"
+    print(f'本地{localfile}文件不存在')
+    return "local_file_not_exist"
+
 if __name__ == '__main__':
     start = datetime.datetime.now()
     if len(sys.argv) == 2:
@@ -74,21 +109,24 @@ if __name__ == '__main__':
         xmps_mesh_path = os.path.join(config_path, 'xmps', psid, 'mesh')
         xmps_texture_path = os.path.join(config_path, 'xmps', psid, 'texture')
 
-        down_xmps_from_oss(psid)
+        # 从oss下载影棚坐标文件
+        down_xmps_from_oss(psid,pid)
 
         # 根据坐标文件时间戳判断是否需要更新
-        remotefile = os.path.join(xmps_mesh_path, '11_1.xmp')
-        localfile = os.path.join(ImagesGeometry, '11_1.xmp')
-        print(f'remotefile: {remotefile}, localfile: {localfile}')
-        if os.path.exists(localfile):
-            remotefile_last_modified = os.path.getmtime(remotefile)
-            localfile_last_modified = os.path.getmtime(localfile)
-            if remotefile_last_modified <= localfile_last_modified:
-                print(f'本地{localfile}文件已是最新, 不需要更新')
-                continue
+        if local_and_remote_file_time(psid,pid) == "local_file_best_new":
+            print(f'本地文件已是最新, 不需要更新')
+            continue
+        # remotefile = os.path.join(xmps_mesh_path, '11_1.xmp')
+        # localfile = os.path.join(ImagesGeometry, '11_1.xmp')
+        # print(f'remotefile: {remotefile}, localfile: {localfile}')
+        # if os.path.exists(localfile):
+        #     remotefile_last_modified = os.path.getmtime(remotefile)
+        #     localfile_last_modified = os.path.getmtime(localfile)
+        #     if remotefile_last_modified <= localfile_last_modified:
+        #         print(f'本地{localfile}文件已是最新, 不需要更新')
+        #         continue
 
         print(f'正在更新{pid}号影棚坐标文件')
         os.system('xcopy /y /q ' + xmps_mesh_path + '*.* ' + ImagesGeometry)
         os.system('xcopy /y /q ' + xmps_texture_path + '*.* ' + ImagesTexture)
 
-   
\ No newline at end of file