update .

TEAMModelOS.SDK/DI/CoreAPI/CoreAPIHttpService.cs

@@ -232,7 +232,9 @@ namespace TEAMModelOS.SDK
                 }
                 else { replaceData.Add("scope", "private"); }
                 var token = CoreTokenExtensions.CreateAccessToken(clientID, clientSecret, location).Result;
-                _httpClient.DefaultRequestHeaders.Add("Authorization", $"Bearer {token.AccessToken}");
+                if (_httpClient.DefaultRequestHeaders.Contains("Authorization")) {
+                    _httpClient.DefaultRequestHeaders.Add("Authorization", $"Bearer {token.AccessToken}");
+                }
                 foreach (var group in groups)
                 {
                     string path =Path.Combine(rootPath, $"Lang/{group.Key}.json");