diff --git a/src/main/java/org/fisco/bcos/sdk/abi/ABICodec.java b/src/main/java/org/fisco/bcos/sdk/abi/ABICodec.java
index fb1b977a6..8b2dd5b40 100644
--- a/src/main/java/org/fisco/bcos/sdk/abi/ABICodec.java
+++ b/src/main/java/org/fisco/bcos/sdk/abi/ABICodec.java
@@ -199,107 +199,6 @@ public String encodeMethodByInterfaceFromString(
         return encodeMethodByIdFromString(ABI, methodId, params);
     }
 
-    public String encodeEvent(String ABI, String eventName, List<Object> params)
-            throws ABICodecException {
-        ContractABIDefinition contractABIDefinition = abiDefinitionFactory.loadABI(ABI);
-        List<ABIDefinition> events = contractABIDefinition.getEvents().get(eventName);
-        for (ABIDefinition abiDefinition : events) {
-            if (abiDefinition.getInputs().size() == params.size()) {
-                ABIObject inputABIObject = abiObjectFactory.createInputObject(abiDefinition);
-                ABICodecObject abiCodecObject = new ABICodecObject();
-                try {
-                    return abiCodecObject.encodeValue(inputABIObject, params).encode();
-                } catch (Exception e) {
-                    logger.error(" exception in encodeEventFromObject : {}", e.getMessage());
-                }
-            }
-        }
-
-        String errorMsg = " cannot encode in encodeEventFromObject with appropriate interface ABI";
-        logger.error(errorMsg);
-        throw new ABICodecException(errorMsg);
-    }
-
-    public String encodeEventByTopic(String ABI, String eventTopic, List<Object> params)
-            throws ABICodecException {
-        ContractABIDefinition contractABIDefinition = abiDefinitionFactory.loadABI(ABI);
-        ABIDefinition abiDefinition =
-                contractABIDefinition.getABIDefinitionByEventTopic(eventTopic);
-        ABIObject inputABIObject = abiObjectFactory.createInputObject(abiDefinition);
-        ABICodecObject abiCodecObject = new ABICodecObject();
-        try {
-            return abiCodecObject.encodeValue(inputABIObject, params).encode();
-        } catch (Exception e) {
-            logger.error(" exception in encodeEventByTopicFromObject : {}", e.getMessage());
-        }
-
-        String errorMsg =
-                " cannot encode in encodeEventByTopicFromObject with appropriate interface ABI";
-        logger.error(errorMsg);
-        throw new ABICodecException(errorMsg);
-    }
-
-    public String encodeEventByInterface(String eventSignature, List<Object> params)
-            throws ABICodecException {
-        return null;
-    }
-
-    public String encodeEventFromString(String ABI, String eventName, List<String> params)
-            throws ABICodecException {
-        ContractABIDefinition contractABIDefinition = abiDefinitionFactory.loadABI(ABI);
-        List<ABIDefinition> methods = contractABIDefinition.getEvents().get(eventName);
-        if (methods == null) {
-            logger.debug(
-                    "Invalid eventName: {}, current supported events are: {}",
-                    eventName,
-                    contractABIDefinition.getEvents().keySet());
-            throw new ABICodecException(
-                    "Invalid event "
-                            + eventName
-                            + ", supported events are: "
-                            + contractABIDefinition.getEvents().keySet());
-        }
-        for (ABIDefinition abiDefinition : methods) {
-            if (abiDefinition.getInputs().size() == params.size()) {
-                ABIObject inputABIObject = abiObjectFactory.createInputObject(abiDefinition);
-                ABICodecJsonWrapper abiCodecJsonWrapper = new ABICodecJsonWrapper();
-                try {
-                    return abiCodecJsonWrapper.encode(inputABIObject, params).encode();
-                } catch (Exception e) {
-                    logger.error(" exception in encodeEventFromString : {}", e.getMessage());
-                }
-            }
-        }
-
-        String errorMsg = " cannot encode in encodeEventFromString with appropriate interface ABI";
-        logger.error(errorMsg);
-        throw new ABICodecException(errorMsg);
-    }
-
-    public String encodeEventByTopicFromString(String ABI, String eventTopic, List<String> params)
-            throws ABICodecException {
-        ContractABIDefinition contractABIDefinition = abiDefinitionFactory.loadABI(ABI);
-        ABIDefinition abiDefinition =
-                contractABIDefinition.getABIDefinitionByEventTopic(eventTopic);
-        ABIObject inputABIObject = abiObjectFactory.createInputObject(abiDefinition);
-        ABICodecJsonWrapper abiCodecJsonWrapper = new ABICodecJsonWrapper();
-        try {
-            return abiCodecJsonWrapper.encode(inputABIObject, params).encode();
-        } catch (Exception e) {
-            logger.error(" exception in encodeEventByTopicFromString : {}", e.getMessage());
-        }
-
-        String errorMsg =
-                " cannot encode in encodeEventByTopicFromString with appropriate interface ABI";
-        logger.error(errorMsg);
-        throw new ABICodecException(errorMsg);
-    }
-
-    public String encodeEventByInterfaceFromString(String eventSignature, List<String> params)
-            throws ABICodecException {
-        return null;
-    }
-
     public List<Object> decodeMethod(ABIDefinition abiDefinition, String output)
             throws ABICodecException {
         ABIObject outputABIObject = abiObjectFactory.createOutputObject(abiDefinition);
@@ -463,9 +362,11 @@ public List<Object> decodeEventByTopic(String ABI, String eventTopic, String out
         throw new ABICodecException(errorMsg);
     }
 
-    public List<Object> decodeEventByInterface(String eventSignature, String output)
+    public List<Object> decodeEventByInterface(String ABI, String eventSignature, String output)
             throws ABICodecException {
-        return null;
+        FunctionEncoder functionEncoder = new FunctionEncoder(cryptoInterface);
+        String methodId = functionEncoder.buildMethodId(eventSignature);
+        return decodeEventByTopic(ABI, methodId, output);
     }
 
     public List<String> decodeEventToString(String ABI, String eventName, String output)
@@ -513,8 +414,10 @@ public List<String> decodeEventByTopicToString(String ABI, String eventTopic, St
         throw new ABICodecException(errorMsg);
     }
 
-    public List<String> decodeEventByInterfaceToString(String eventSignature, String output)
-            throws ABICodecException {
-        return null;
+    public List<String> decodeEventByInterfaceToString(
+            String ABI, String eventSignature, String output) throws ABICodecException {
+        FunctionEncoder functionEncoder = new FunctionEncoder(cryptoInterface);
+        String methodId = functionEncoder.buildMethodId(eventSignature);
+        return decodeEventByTopicToString(ABI, methodId, output);
     }
 }
diff --git a/src/test/java/org/fisco/bcos/sdk/test/abi/ABIEventTest.java b/src/test/java/org/fisco/bcos/sdk/test/abi/ABIEventTest.java
new file mode 100644
index 000000000..fdb5392bf
--- /dev/null
+++ b/src/test/java/org/fisco/bcos/sdk/test/abi/ABIEventTest.java
@@ -0,0 +1,30 @@
+package org.fisco.bcos.sdk.test.abi;
+
+import java.util.List;
+import org.fisco.bcos.sdk.abi.ABICodec;
+import org.fisco.bcos.sdk.abi.ABICodecException;
+import org.junit.Assert;
+import org.junit.Test;
+
+public class ABIEventTest {
+    private static final String abi =
+            "[{\"constant\":true,\"inputs\":[{\"name\":\"\",\"type\":\"uint256\"}],\"name\":\"_addrDArray\",\"outputs\":[{\"name\":\"\",\"type\":\"address\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"_addr\",\"outputs\":[{\"name\":\"\",\"type\":\"address\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"getUint256\",\"outputs\":[{\"name\":\"\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"v\",\"type\":\"uint256\"}],\"name\":\"incrementUint256\",\"outputs\":[{\"name\":\"\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"_bytesV\",\"outputs\":[{\"name\":\"\",\"type\":\"bytes\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"_s\",\"outputs\":[{\"name\":\"\",\"type\":\"string\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[],\"name\":\"getSArray\",\"outputs\":[{\"name\":\"\",\"type\":\"uint256[2]\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"bytesArray\",\"type\":\"bytes1[]\"}],\"name\":\"setBytesMapping\",\"outputs\":[{\"name\":\"\",\"type\":\"bool\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"b\",\"type\":\"bytes\"}],\"name\":\"setBytes\",\"outputs\":[{\"name\":\"\",\"type\":\"bytes\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"i\",\"type\":\"int256\"},{\"name\":\"a\",\"type\":\"address[]\"},{\"name\":\"s\",\"type\":\"string\"}],\"name\":\"setValues\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[{\"name\":\"b\",\"type\":\"bytes1\"}],\"name\":\"getByBytes\",\"outputs\":[{\"name\":\"\",\"type\":\"bytes1[]\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"_intV\",\"outputs\":[{\"name\":\"\",\"type\":\"int256\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[],\"name\":\"emptyArgs\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"name\":\"i\",\"type\":\"int256\"},{\"name\":\"s\",\"type\":\"string\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"constructor\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"name\":\"sender\",\"type\":\"address\"},{\"indexed\":false,\"name\":\"a\",\"type\":\"uint256\"}],\"name\":\"LogIncrement\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"name\":\"sender\",\"type\":\"address\"},{\"indexed\":false,\"name\":\"s\",\"type\":\"string\"}],\"name\":\"LogInit\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"name\":\"i\",\"type\":\"int256\"},{\"indexed\":false,\"name\":\"a\",\"type\":\"address[]\"},{\"indexed\":false,\"name\":\"s\",\"type\":\"string\"}],\"name\":\"LogSetValues\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"name\":\"o\",\"type\":\"bytes\"},{\"indexed\":false,\"name\":\"b\",\"type\":\"bytes\"}],\"name\":\"LogSetBytes\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"name\":\"o\",\"type\":\"uint256[2]\"},{\"indexed\":false,\"name\":\"n\",\"type\":\"uint256[2]\"}],\"name\":\"LogSetSArray\",\"type\":\"event\"}]";
+    private static final String encoded =
+            "0x0000000000000000000000000000000000000000000000000000000000000014000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000e0000000000000000000000000000000000000000000000000000000000000000300000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000300000000000000000000000000000000000000000000000000000000000000147365742076616c75657320e5ad97e7aca6e4b8b2000000000000000000000000";
+
+    @Test
+    public void testDecode() {
+        ABICodec abiCodec = new ABICodec(Utils.getCryptoInterface());
+        try {
+            List<Object> list = abiCodec.decodeEvent(abi, "LogSetValues", encoded);
+            Assert.assertEquals(list.size(), 3);
+            Assert.assertEquals(list.get(0).toString(), "20");
+            Assert.assertEquals(
+                    list.get(1).toString(),
+                    "[0x0000000000000000000000000000000000000001, 0x0000000000000000000000000000000000000002, 0x0000000000000000000000000000000000000003]");
+            System.out.println("decode event log content, " + list);
+        } catch (ABICodecException e) {
+            Assert.fail(e.getMessage());
+        }
+    }
+}