diff --git a/es2panda/aot/main.cpp b/es2panda/aot/main.cpp
index 3b936d39182e819f2c13d8819e79432662309b57..e1ca0abdefd830b046c1e6d33fce0a5eae8a8346 100644
--- a/es2panda/aot/main.cpp
+++ b/es2panda/aot/main.cpp
@@ -32,7 +32,7 @@ class MemManager {
 public:
     explicit MemManager()
     {
-        constexpr auto COMPILER_SIZE = 512_MB;
+        constexpr auto COMPILER_SIZE = 2048_MB;
 
         MemConfig::Initialize(0, 0, COMPILER_SIZE, 0);
         PoolManager::Initialize(PoolType::MMAP);