diff --git a/MPC/middleware/kcal/core/context.cc b/MPC/middleware/kcal/core/context.cc
index 6cdb21a3c578f33fd97e376970dc2f6d3e3b2e80..8269e42570f02e0c5645cab71a46a6edbc48530b 100644
--- a/MPC/middleware/kcal/core/context.cc
+++ b/MPC/middleware/kcal/core/context.cc
@@ -42,6 +42,8 @@ int Context::Init()
     cfgOpts_->setIntValue(teeCfg_, DG_CON_MPC_TEE_INT_THREAD_COUNT, config_.threadCount);
     if (config_.useSMAlg) {
         cfgOpts_->setIntValue(teeCfg_, DG_CON_MPC_TEE_INT_IS_SM_ALGORITHM, 1);
+    } else {
+        cfgOpts_->setIntValue(teeCfg_, DG_CON_MPC_TEE_INT_IS_SM_ALGORITHM, 0);
     }
 
     return DG_SUCCESS;
diff --git a/MPC/third_party_adaptor/secrerflow/psi/README.md b/MPC/third_party_adaptor/secrerflow/psi/README.md
index c51ed1d9b079b3b43e8b48839eaf61600b12eea6..b6adad57d4012d882e7a9365945557a57b112d00 100644
--- a/MPC/third_party_adaptor/secrerflow/psi/README.md
+++ b/MPC/third_party_adaptor/secrerflow/psi/README.md
@@ -31,10 +31,12 @@
 
     # clone 仓库，并创建一个本地分支
     git clone --branch "v0.6.0.dev250507" https://github.com/secretflow/psi.git
+    
+    # 进到蚂蚁 psi 目录下
+    cd /home/admin/dev/psi
     git switch -c kcal-on-v0.6.0
 
     # 应用 virtCCA_sdk 下面的 patch
-    cd /home/admin/dev/psi  # 进到蚂蚁 psi 目录下
     git apply /home/admin/dev/virtCCA_sdk/MPC/third_party_adaptor/secrerflow/psi/patches/kcal.patch
     ```