diff --git a/torch_npu/csrc/core/npu/register/OptionsManager.cpp b/torch_npu/csrc/core/npu/register/OptionsManager.cpp
index 6cb6d736aa77bf5eb0f1aa55df951bfa2c91a8d4..5474a13a3112a26543e4aeef9698d67735f82dd7 100644
--- a/torch_npu/csrc/core/npu/register/OptionsManager.cpp
+++ b/torch_npu/csrc/core/npu/register/OptionsManager.cpp
@@ -14,6 +14,7 @@
 #include "torch_npu/csrc/core/npu/NPUFunctions.h"
 #include "torch_npu/csrc/core/npu/NPUCachingAllocator.h"
 #include "torch_npu/csrc/npu/memory_snapshot.h"
+#include "torch_npu/csrc/core/npu/NpuVariables.h"
 
 namespace c10_npu {
 namespace option {
@@ -481,12 +482,26 @@ uint32_t OptionsManager::GetAclOpInitMode()
 {
     const static uint32_t acl_op_init_mode = []() -> uint32_t {
         char* buf_val = std::getenv("ACL_OP_INIT_MODE");
-        // Default 0
-        int64_t acl_op_init_mode_ = (buf_val != nullptr) ? strtol(buf_val, nullptr, 10) : 0;
+        // Default 1 for A2/A3; Default 0 for others
+        static bool default_value_acl_mode = ((c10_npu::GetSocVersion() >= c10_npu::SocVersion::Ascend910B1) &&
+            (c10_npu::GetSocVersion() < c10_npu::SocVersion::Ascend310B1)) ||
+            ((c10_npu::GetSocVersion() >= c10_npu::SocVersion::Ascend910_9391));
+        int64_t acl_op_init_mode_;
+        if (default_value_acl_mode) {
+            acl_op_init_mode_ = (buf_val != nullptr) ? strtol(buf_val, nullptr, 10) : 1;
+        } else {
+            acl_op_init_mode_ = (buf_val != nullptr) ? strtol(buf_val, nullptr, 10) : 0;
+        }
+        
         std::unordered_map<int32_t, std::string> aclOpInitMode = getAclOpInitMode();
         if (aclOpInitMode.find(acl_op_init_mode_) == aclOpInitMode.end()) {
-            acl_op_init_mode_ = 0;
-            TORCH_NPU_WARN_ONCE("Get env ACL_OP_INIT_MODE not in [0, 1, 2], so reset it to the default value 0.");
+            if (default_value_acl_mode) {
+                acl_op_init_mode_ = 1;
+                TORCH_NPU_WARN_ONCE("Get env ACL_OP_INIT_MODE not in [0, 1, 2], so reset it to the default value 1.");
+            } else {
+                acl_op_init_mode_ = 0;
+                TORCH_NPU_WARN_ONCE("Get env ACL_OP_INIT_MODE not in [0, 1, 2], so reset it to the default value 0.");
+            }
         }
         return static_cast<uint32_t>(acl_op_init_mode_);
     }();
diff --git a/torch_npu/csrc/framework/OpCommand.cpp b/torch_npu/csrc/framework/OpCommand.cpp
index 383dcb8ecf3e2c5aa9f0664082242e4889a735c3..793582fefe87a050d45d353a623e5ca7b7f7528f 100644
--- a/torch_npu/csrc/framework/OpCommand.cpp
+++ b/torch_npu/csrc/framework/OpCommand.cpp
@@ -135,6 +135,8 @@ void OpCommand::Run()
     aclCmd->SetEnginePriority();
     const string &op_name = aclCmd->GetName();
     at_npu::aclops::LazyInitAclops();
+    auto val = c10_npu::option::GetOption("jitCompile");
+    NPU_CHECK_ERROR(AclSetCompileopt(aclCompileOpt::ACL_OP_JIT_COMPILE, val->c_str()));
 #ifndef BUILD_LIBTORCH
     const c10_npu::impl::PyCallbackTrigger* trigger = c10_npu::impl::NPUTrace::getTrace();
 #endif