diff --git a/bcos-executor/src/precompiled/extension/AccountPrecompiled.cpp b/bcos-executor/src/precompiled/extension/AccountPrecompiled.cpp
index 4bf4b18256..6fab8652bc 100644
--- a/bcos-executor/src/precompiled/extension/AccountPrecompiled.cpp
+++ b/bcos-executor/src/precompiled/extension/AccountPrecompiled.cpp
@@ -277,17 +277,7 @@ void AccountPrecompiled::addAccountBalance(const std::string& accountTableName,
         getErrorCodeOut(_callParameters->mutableExecResult(), CODE_NO_AUTHORIZED, codec);
         return;
     }
-    if (isPrecompiledAddressRange(accountTableName.substr(USER_APPS_PREFIX.length())))
-    {
-        PRECOMPILED_LOG(INFO) << BLOCK_NUMBER(blockContext.number())
-                              << LOG_BADGE("AccountPrecompiled, addAccountBalance")
-                              << LOG_DESC("account is precompiled address")
-                              << LOG_KV(
-                                     "account", accountTableName.substr(USER_APPS_PREFIX.length()));
-        BOOST_THROW_EXCEPTION(
-            PrecompiledError("addBalance failed, toAddress is precompiledAddress!"));
-        return;
-    }
+
     // check account exist
     auto table = _executive->storage().openTable(accountTableName);
     if (!table.has_value()) [[unlikely]]
@@ -365,17 +355,6 @@ void AccountPrecompiled::subAccountBalance(const std::string& accountTableName,
         getErrorCodeOut(_callParameters->mutableExecResult(), CODE_NO_AUTHORIZED, codec);
         return;
     }
-    // check account is precompiled address, if true, return
-    if (isPrecompiledAddressRange(accountTableName.substr(USER_APPS_PREFIX.length())))
-    {
-        PRECOMPILED_LOG(INFO) << BLOCK_NUMBER(blockContext.number())
-                              << LOG_BADGE("AccountPrecompiled, addAccountBalance")
-                              << LOG_DESC("account is precompiled address")
-                              << LOG_KV("account", accountTableName.substr(6));
-        BOOST_THROW_EXCEPTION(
-            PrecompiledError("addBalance failed, toAddress is precompiledAddress!"));
-        return;
-    }
 
     // check account exist
     auto table = _executive->storage().openTable(accountTableName);
diff --git a/bcos-executor/src/vm/Precompiled.cpp b/bcos-executor/src/vm/Precompiled.cpp
index e179ca7d70..84301feb6a 100644
--- a/bcos-executor/src/vm/Precompiled.cpp
+++ b/bcos-executor/src/vm/Precompiled.cpp
@@ -471,6 +471,19 @@ const int RSV_LENGTH = 65;
 const int PUBLIC_KEY_LENGTH = 64;
 pair<bool, bytes> ecRecover(bytesConstRef _in)
 {  // _in is hash(32),v(32),r(32),s(32), return address
+
+    if (_in == bytesConstRef())
+    {
+        BCOS_LOG(TRACE) << LOG_BADGE("Precompiled") << LOG_DESC("ecRecover: nullptr input");
+        return {false, {}};
+    }
+
+    if (_in.size() != 64 + RSV_LENGTH)
+    {
+        BCOS_LOG(TRACE) << LOG_BADGE("Precompiled") << LOG_DESC("ecRecover: invalid input size");
+        return {true, {}};
+    }
+
     BCOS_LOG(TRACE) << LOG_BADGE("Precompiled") << LOG_DESC("ecRecover: ") << _in.size();
     byte rawRSV[RSV_LENGTH];
     memcpy(rawRSV, _in.data() + 64, RSV_LENGTH - 1);
diff --git a/bcos-framework/test/unittests/interfaces/FeaturesTest.cpp b/bcos-framework/test/unittests/interfaces/FeaturesTest.cpp
index 8eef9d485e..d78b152630 100644
--- a/bcos-framework/test/unittests/interfaces/FeaturesTest.cpp
+++ b/bcos-framework/test/unittests/interfaces/FeaturesTest.cpp
@@ -126,22 +126,27 @@ BOOST_AUTO_TEST_CASE(feature)
     BOOST_CHECK_EQUAL(features7.get("feature_balance_policy1"), true);
 
     auto keys = Features::featureKeys();
-
-    BOOST_CHECK_EQUAL(keys.size(), 14);
-    BOOST_CHECK_EQUAL(keys[0], "bugfix_revert");
-    BOOST_CHECK_EQUAL(keys[1], "bugfix_statestorage_hash");
-    BOOST_CHECK_EQUAL(keys[2], "bugfix_evm_create2_delegatecall_staticcall_codecopy");
-    BOOST_CHECK_EQUAL(keys[3], "bugfix_event_log_order");
-    BOOST_CHECK_EQUAL(keys[4], "bugfix_call_noaddr_return");
-    BOOST_CHECK_EQUAL(keys[5], "bugfix_precompiled_codehash");
-    BOOST_CHECK_EQUAL(keys[6], "feature_dmc2serial");
-    BOOST_CHECK_EQUAL(keys[7], "feature_sharding");
-    BOOST_CHECK_EQUAL(keys[8], "feature_rpbft");
-    BOOST_CHECK_EQUAL(keys[9], "feature_paillier");
-    BOOST_CHECK_EQUAL(keys[10], "feature_balance");
-    BOOST_CHECK_EQUAL(keys[11], "feature_balance_precompiled");
-    BOOST_CHECK_EQUAL(keys[12], "feature_balance_policy1");
-    BOOST_CHECK_EQUAL(keys[13], "feature_paillier_add_raw");
+    // clang-format off
+    std::vector<std::string> compareKeys = {
+        "bugfix_revert",
+        "bugfix_statestorage_hash",
+        "bugfix_evm_create2_delegatecall_staticcall_codecopy",
+        "bugfix_event_log_order",
+        "bugfix_call_noaddr_return",
+        "bugfix_precompiled_codehash",
+        "feature_dmc2serial",
+        "feature_sharding",
+        "feature_rpbft",
+        "feature_balance",
+        "feature_balance_precompiled",
+        "feature_balance_policy1",
+        "feature_paillier_add_raw"
+    };
+    // clang-format on
+    for (size_t i = 0; i < keys.size(); ++i)
+    {
+        BOOST_CHECK_EQUAL(keys[i], compareKeys[i]);
+    }
 }
 
 BOOST_AUTO_TEST_SUITE_END()