我下载的项目运行不起来，报错如下，是因为我AS的版本太高了吗，3.6.3的

[taozhixiang]

Compiler message:
/C:/soft/flutter/.pub-cache/hosted/pub.flutter-io.cn/dio-2.1.0/lib/src/dio_http_headers.dart:55:8: Error: The method 'DioHttpHeaders.add' has fewer named arguments than those of overridden method 'HttpHeaders.add'.
void add(String name, value) {
^
org-dartlang-sdk:///third_party/dart/sdk/lib/_http/http.dart:694:8: Context: This is the overridden method ('add').
void add(String name, Object value,
^
/C:/soft/flutter/.pub-cache/hosted/pub.flutter-io.cn/dio-2.1.0/lib/src/dio_http_headers.dart:70:8: Error: The method 'DioHttpHeaders.set' has fewer named arguments than those of overridden method 'HttpHeaders.set'.
void set(String name, Object value) {
^
org-dartlang-sdk:///third_party/dart/sdk/lib/_http/http.dart:703:8: Context: This is the overridden method ('set').
void set(String name, Object value,
^

Compiler message:
/C:/soft/flutter/.pub-cache/hosted/pub.flutter-io.cn/dio-2.1.0/lib/src/dio_http_headers.dart:55:8: Error: The method 'DioHttpHeaders.add' has fewer named arguments than those of overridden method 'HttpHeaders.add'.
void add(String name, value) {
^
org-dartlang-sdk:///third_party/dart/sdk/lib/_http/http.dart:694:8: Context: This is the overridden method ('add').
void add(String name, Object value,
^
/C:/soft/flutter/.pub-cache/hosted/pub.flutter-io.cn/dio-2.1.0/lib/src/dio_http_headers.dart:70:8: Error: The method 'DioHttpHeaders.set' has fewer named arguments than those of overridden method 'HttpHeaders.set'.
void set(String name, Object value) {
^
org-dartlang-sdk:///third_party/dart/sdk/lib/_http/http.dart:703:8: Context: This is the overridden method ('set').
void set(String name, Object value,
^
Target kernel_snapshot failed: Exception: Errors during snapshot creation: null
build failed.

FAILURE: Build failed with an exception.

• Where:
  Script 'C:\soft\flutter\packages\flutter_tools\gradle\flutter.gradle' line: 882

• What went wrong:
  Execution failed for task ':app:compileFlutterBuildDebug'.

Process 'command 'C:\soft\flutter\bin\flutter.bat'' finished with non-zero exit value 1

• Try:
  Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.

• Get more help at https://help.gradle.org

BUILD FAILED in 9s
Exception: Gradle task assembleDebug failed with exit code 1

[flyouting]

Launching lib/main.dart on iPhone 11 Pro Max in debug mode...

Compiler message:
../../../flutter/.pub-cache/hosted/pub.flutter-io.cn/dio-2.1.0/lib/src/dio_http_headers.dart:55:8: Error: The method 'DioHttpHeaders.add' has fewer named arguments than those of overridden method 'HttpHeaders.add'.
void add(String name, value) {
^
org-dartlang-sdk:///third_party/dart/sdk/lib/_http/http.dart:694:8: Context: This is the overridden method ('add').
void add(String name, Object value,
^

[ecenllen]

我的也是这个问题

[FKLam]

这个是flutter 版本不对导致的。改为相应的版本就行。

[hanqingkai]

我也一样这个问题，dio改成3.0就全红了， 不知道怎么搞

[huangruiLearn]

我也一样这个问题，dio改成3.0就全红了， 不知道怎么搞

flutter和dio改成1.17.1 和3.0.9了 还不行开上vpn试试