diff --git a/.devcontainer/Dockerfile b/.devcontainer/Dockerfile
index 3a604ce..b3aa6aa 100644
--- a/.devcontainer/Dockerfile
+++ b/.devcontainer/Dockerfile
@@ -1,24 +1,20 @@
 FROM ubuntu:lunar
 
 RUN apt-get update && apt-get install -y \
-    libssl-dev gcc-13 g++-13 libprotobuf-c-dev libprotobuf-dev libgrpc-dev libfmt-dev llvm-14-dev libedit-dev libcxxopts-dev libpfm4-dev liblldb-dev libbenchmark-dev ninja-build libpcap-dev \
+    libssl-dev gcc-13 g++-13 libprotobuf-c-dev libprotobuf-dev libgrpc-dev libfmt-dev llvm-14-dev libedit-dev libcxxopts-dev libpfm4-dev liblldb-dev libbenchmark-dev ninja-build libpcap-dev libopenblas-pthread-dev \
     wget git cmake ninja-build python3 python3-pip \
     lsb-release software-properties-common gnupg
 
 RUN cd /opt \
-    && wget https://github.com/WebAssembly/wasi-sdk/releases/download/wasi-sdk-20/wasi-sdk-20.0-linux.tar.gz \
+    && wget https://github.com/WebAssembly/wasi-sdk/releases/download/wasi-sdk-21/wasi-sdk-21.0-linux.tar.gz \
     && tar -xzf wasi-sdk-*.tar.gz \
-    && mv wasi-sdk-20.0 wasi-sdk \
-    && rm wasi-sdk-20.0-linux.tar.gz
-
-RUN mv /opt/wasi-sdk/bin/wasm-ld /opt/wasi-sdk/bin/wasm-ld.bak \
-    && echo '#!/bin/bash \n/opt/wasi-sdk/bin/wasm-ld.bak --no-check-features "$@"' | tee /opt/wasi-sdk/bin/wasm-ld \
-    && chmod +x /opt/wasi-sdk/bin/wasm-ld
+    && mv wasi-sdk-21.0 wasi-sdk \
+    && rm wasi-sdk-21.0-linux.tar.gz
 
 RUN wget -O - https://apt.llvm.org/llvm-snapshot.gpg.key | apt-key add - \
     && add-apt-repository -y "deb http://apt.llvm.org/lunar/ llvm-toolchain-lunar-17 main" \
     && apt-get update \
     && apt-get install -y clang-17 lldb-17 lld-17 clangd-17 \
-    tmux vim gdb wabt
+    tmux vim gdb wabt neovim
 
 USER ubuntu
diff --git a/src/wamr_export.cpp b/src/wamr_export.cpp
index c8df236..19df3ba 100644
--- a/src/wamr_export.cpp
+++ b/src/wamr_export.cpp
@@ -374,7 +374,7 @@ void sigtrap_handler(int sig) {
     signal(SIGILL, sigtrap_handler);
 #endif
     call_count++;
-    if (snapshot_threshold != 0)
+    if (snapshot_threshold != 0 || checkpoint)
         if (call_count >= snapshot_threshold || checkpoint) {
             fprintf(stderr, "serializing\n");
             serialize_to_file(exec_env);
diff --git a/src/wamr_module_instance.cpp b/src/wamr_module_instance.cpp
index f016807..e89e14a 100644
--- a/src/wamr_module_instance.cpp
+++ b/src/wamr_module_instance.cpp
@@ -12,10 +12,10 @@ void WAMRModuleInstance::dump_impl(WASMModuleInstance *env) {
         memories.push_back(local_mem);
     }
     global_data = std::vector<uint8>(env->global_data, env->global_data + env->global_data_size);
-    LOGV(DEBUG) << env->global_data_size;
-    for (int i = 0; i < env->global_data_size; i++) {
-        LOGV(DEBUG) << env->global_data[i];
-    }
+    // LOGV(DEBUG) << env->global_data_size;
+    // for (int i = 0; i < env->global_data_size; i++) {
+    //     LOGV(DEBUG) << env->global_data[i];
+    // }
     dump(&wasi_ctx, &env->module->wasi_args);
 
     if (wamr->is_aot) {
diff --git a/test/counter.c b/test/counter.c
index 278b2e1..96eaac4 100644
--- a/test/counter.c
+++ b/test/counter.c
@@ -2,6 +2,8 @@
 #include <unistd.h>
 int a(int c){
     static int b=0;
+    b++;
+    printf("%d %d\n",c,b);
 //    printf("\n");
 }
 int main(int argv,char ** argc){