diff --git a/.clang-format b/.clang-format
new file mode 100644
index 0000000..468ceea
--- /dev/null
+++ b/.clang-format
@@ -0,0 +1 @@
+BasedOnStyle: LLVM
\ No newline at end of file
diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
index c589831..f95f63e 100644
--- a/.devcontainer/devcontainer.json
+++ b/.devcontainer/devcontainer.json
@@ -1,3 +1,3 @@
 {
-    "image": "wukan0621/sysu-lang:v2404.0.0.20240115"
+    "image": "wukan0621/sysu-lang"
 }
\ No newline at end of file
diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index 70d1a1b..e38fc33 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -80,4 +80,4 @@ jobs:
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
           build-args: BASE_IMAGE=ubuntu:noble
-          platforms: linux/amd64,linux/arm64/v8,linux/arm/v7,linux/ppc64le,linux/s390x
+          platforms: linux/amd64,linux/arm64/v8,linux/arm/v7,linux/ppc64le,linux/s390x,linux/riscv64
diff --git a/grammar/main.cc b/grammar/main.cc
index 6685995..31dfeb9 100644
--- a/grammar/main.cc
+++ b/grammar/main.cc
@@ -23,7 +23,8 @@ int main(int argc, char **argv) {
     // 请续写此处的词法分析器
     for (auto token : tokens.getTokens()) {
       if (token->getChannel() != antlr4::Token::HIDDEN_CHANNEL) {
-        std::string t = lexer.getVocabulary().getSymbolicName(token->getType());
+        auto t1 = lexer.getVocabulary().getSymbolicName(token->getType());
+        std::string t(t1.begin(), t1.end());
         std::unordered_map<std::string, std::string> transform_table{
             {"Int", "int"},
             {"Identifier", "identifier"},