diff --git a/actuator/src/main/java/org/tron/core/vm/nativecontract/UnfreezeBalanceV2Processor.java b/actuator/src/main/java/org/tron/core/vm/nativecontract/UnfreezeBalanceV2Processor.java
index 56366bbdb0c..c8199651a7f 100644
--- a/actuator/src/main/java/org/tron/core/vm/nativecontract/UnfreezeBalanceV2Processor.java
+++ b/actuator/src/main/java/org/tron/core/vm/nativecontract/UnfreezeBalanceV2Processor.java
@@ -84,7 +84,7 @@ public void validate(UnfreezeBalanceV2Param param, Repository repo)
 
     if (!checkUnfreezeBalance(accountCapsule, param.getUnfreezeBalance(), param.getResourceType())) {
       throw new ContractValidateException(
-          "Invalid unfreeze_balance, [" + param.getUnfreezeBalance() + "] is error");
+          "Invalid unfreeze_balance, [" + param.getUnfreezeBalance() + "] is too large");
     }
   }
 
diff --git a/framework/src/test/java/org/tron/common/runtime/vm/BatchValidateSignContractTest.java b/framework/src/test/java/org/tron/common/runtime/vm/BatchValidateSignContractTest.java
index d094f1a3d05..fc60d8c0648 100644
--- a/framework/src/test/java/org/tron/common/runtime/vm/BatchValidateSignContractTest.java
+++ b/framework/src/test/java/org/tron/common/runtime/vm/BatchValidateSignContractTest.java
@@ -79,7 +79,6 @@ public void staticCallTest() {
 
   @Test
   public void correctionTest() {
-    contract.setConstantCall(false);
     List<Object> signatures = new ArrayList<>();
     List<Object> addresses = new ArrayList<>();
     byte[] hash = Hash.sha3(longData);
@@ -128,7 +127,8 @@ Pair<Boolean, byte[]> validateMultiSign(byte[] hash, List<Object> signatures,
     List<Object> parameters = Arrays.asList("0x" + Hex.toHexString(hash), signatures, addresses);
     byte[] input = Hex.decode(AbiUtil.parseParameters(METHOD_SIGN, parameters));
     contract.getEnergyForData(input);
-    contract.setVmShouldEndInUs(System.nanoTime() / 1000 + 500 * 1000);
+    long maxExecutionTime = 2000; // ms
+    contract.setVmShouldEndInUs(System.nanoTime() / 1000 + maxExecutionTime * 1000);
     Pair<Boolean, byte[]> ret = contract.execute(input);
     logger.info("BytesArray:{}，HexString:{}", Arrays.toString(ret.getValue()),
         Hex.toHexString(ret.getValue()));
diff --git a/framework/src/test/java/org/tron/common/runtime/vm/Create2Test.java b/framework/src/test/java/org/tron/common/runtime/vm/Create2Test.java
index 79ed1c7e1f8..b1ed4f7af70 100644
--- a/framework/src/test/java/org/tron/common/runtime/vm/Create2Test.java
+++ b/framework/src/test/java/org/tron/common/runtime/vm/Create2Test.java
@@ -160,9 +160,16 @@ public void testCreate2()
     // Trigger contract method: deploy(bytes,uint)
     long salt = 100L;
     String hexInput = AbiUtil.parseMethod(methodSign, Arrays.asList(testCode, salt));
+
+    long preTime = manager.getDynamicPropertiesStore().getMaxCpuTimeOfOneTx();
+    // set max cpu time to 500
+    manager.getDynamicPropertiesStore().saveMaxCpuTimeOfOneTx(500L);
     TVMTestResult result = TvmTestUtils
         .triggerContractAndReturnTvmTestResult(Hex.decode(OWNER_ADDRESS),
             factoryAddress, Hex.decode(hexInput), 0, fee, manager, null);
+    // restore max cpu time
+    manager.getDynamicPropertiesStore().saveMaxCpuTimeOfOneTx(preTime);
+
     Assert.assertNull(result.getRuntime().getRuntimeError());
 
     byte[] returnValue = result.getRuntime().getResult().getHReturn();