diff --git a/timer/external_order_glbV2.py b/timer/external_order_glbV2.py
index 712237d..8cc12f7 100644
--- a/timer/external_order_glbV2.py
+++ b/timer/external_order_glbV2.py
@@ -1,4 +1,4 @@
-import os, sys, time, bpy, math, requests, bmesh, json, shutil,oss2
+import os, sys, time, bpy, math, requests, bmesh, json, shutil,oss2,chardet
 from PIL import Image
 import platform,redis
 if platform.system() == 'Windows':
@@ -86,41 +86,48 @@ def down_obj_from_oss(workdir, pid, action):
     return obj_filename
 
 def checkDownloadFile(pid):
-    mtlfilePath = os.path.join(config.workdir, "print", pid,f"{pid}.mtl")
-    objfilePath = os.path.join(config.workdir, "print", pid,f"{pid}.obj")
-    #读取该笔文件的mtl文件 忽略编码问题
-    with open(mtlfilePath, 'r',encoding='utf-8',errors='ignore') as file:
-        mtlContent = file.read()
-    #检测mtl文件是否正常
+    mtlfilePath = os.path.join(config.workdir, "print", pid, f"{pid}.mtl")
+    objfilePath = os.path.join(config.workdir, "print", pid, f"{pid}.obj")
+
+    # 读取文件内容（自动检测编码）
+    def read_file_auto_encoding(path):
+        with open(path, 'rb') as f:
+            raw_data = f.read()
+            encoding = chardet.detect(raw_data)['encoding'] or 'utf-8'
+        return raw_data.decode(encoding, errors='ignore')
+
+    mtlContent = read_file_auto_encoding(mtlfilePath)
+
     if mtlContent == "":
-        print(f'{pid}的mtl文件检测出现问题了， 没有找到mtl文件')
+        print(f'{pid}的mtl文件检测出现问题了， 内容为空')
         return False
-    #判断mtl 包含几个 newmtl
+
     newmtlCount = mtlContent.count('newmtl')
     if newmtlCount > 1:
         print(f'{pid}的mtl文件检测出现问题了， 包含多个newmtl')
-        return False 
-    
-    #判断mtlContent是否包含 {pid}Tex1.jpg
+        return False
+
     if f'{pid}Tex1.jpg' not in mtlContent:
         print(f'{pid}的mtl文件检测出现问题了， 没有找到{pid}Tex1.jpg')
         return False
 
-    #检测obj文件 里 是否包含 o {pid},
+    # 检测obj文件
     isContain = False
-    with open(objfilePath, 'r',encoding='utf-8',errors='ignore') as file:
-        for line in file:
-            if line.startswith(f'o {pid}'):
-                isContain = True
-                print(f'{pid}的obj文件检测没问题')
-                break
-
-    if isContain == False:
+    
+    objContent = read_file_auto_encoding(objfilePath)
+
+
+    for line in objContent.splitlines():
+        if line.startswith(f'o {pid}'):
+            isContain = True
+            print(f'{pid}的obj文件检测没问题')
+            break
+
+    if not isContain:
         print(f'{pid}的obj文件检测出现问题了， 没有找到o {pid} 的行')
         return False
 
-
-    return isContain
+    return True
 
 #加载obj文件
 def reload_obj(pid,order_ids):
@@ -293,7 +300,7 @@ def createGlb(pid,order_ids):
 
     #下载obj文件
     down_obj_from_oss(config.workdir, pid, "print")
-
+    print(f'{time.strftime("%Y-%m-%d %H:%M:%S", time.localtime())} pid: {pid} 下载obj文件完成...')
     #检测mtl 文件是否正常，
     isNormal = checkDownloadFile(pid)
     if isNormal == False: