diff --git a/api/src/main/java/com/alibaba/nacos/api/exception/NacosDeserializationException.java b/api/src/main/java/com/alibaba/nacos/api/exception/runtime/NacosDeserializationException.java
similarity index 72%
rename from api/src/main/java/com/alibaba/nacos/api/exception/NacosDeserializationException.java
rename to api/src/main/java/com/alibaba/nacos/api/exception/runtime/NacosDeserializationException.java
index 6e24b47dc..77c423e87 100644
--- a/api/src/main/java/com/alibaba/nacos/api/exception/NacosDeserializationException.java
+++ b/api/src/main/java/com/alibaba/nacos/api/exception/runtime/NacosDeserializationException.java
@@ -14,14 +14,16 @@
  * limitations under the License.
  */
 
-package com.alibaba.nacos.api.exception;
+package com.alibaba.nacos.api.exception.runtime;
 
 /**
  * Nacos deserialization exception.
  *
  * @author yangyi
  */
-public class NacosDeserializationException extends RuntimeException {
+public class NacosDeserializationException extends NacosRuntimeException {
+
+    public static final int ERROR_CODE = 101;
 
     private static final long serialVersionUID = -2742350751684273728L;
 
@@ -32,19 +34,24 @@ public class NacosDeserializationException extends RuntimeException {
     private Class<?> targetClass;
 
     public NacosDeserializationException() {
+        super(ERROR_CODE);
     }
 
     public NacosDeserializationException(Class<?> targetClass) {
-        super(String.format(MSG_FOR_SPECIFIED_CLASS, targetClass.getName()));
+        super(ERROR_CODE, String.format(MSG_FOR_SPECIFIED_CLASS, targetClass.getName()));
         this.targetClass = targetClass;
     }
 
     public NacosDeserializationException(Throwable throwable) {
-        super(DEFAULT_MSG, throwable);
+        super(ERROR_CODE, DEFAULT_MSG, throwable);
     }
 
     public NacosDeserializationException(Class<?> targetClass, Throwable throwable) {
-        super(String.format(MSG_FOR_SPECIFIED_CLASS, targetClass.getName()), throwable);
+        super(ERROR_CODE, String.format(MSG_FOR_SPECIFIED_CLASS, targetClass.getName()), throwable);
         this.targetClass = targetClass;
     }
+
+    public Class<?> getTargetClass() {
+        return targetClass;
+    }
 }
diff --git a/api/src/main/java/com/alibaba/nacos/api/exception/runtime/NacosRuntimeException.java b/api/src/main/java/com/alibaba/nacos/api/exception/runtime/NacosRuntimeException.java
new file mode 100644
index 000000000..8f63c90d6
--- /dev/null
+++ b/api/src/main/java/com/alibaba/nacos/api/exception/runtime/NacosRuntimeException.java
@@ -0,0 +1,59 @@
+/*
+ * Copyright 1999-2018 Alibaba Group Holding Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.alibaba.nacos.api.exception.runtime;
+
+/**
+ * Nacos runtime exception.
+ *
+ * @author yangyi
+ */
+public class NacosRuntimeException extends RuntimeException {
+
+    private static final long serialVersionUID = 3513491993982293262L;
+
+    public static final String ERROR_MESSAGE_FORMAT = "errCode: %d, errMsg: %s ";
+
+    private int errCode;
+
+    public NacosRuntimeException(int errCode) {
+        super();
+        this.errCode = errCode;
+    }
+
+    public NacosRuntimeException(int errCode, String errMsg) {
+        super(String.format(ERROR_MESSAGE_FORMAT, errCode, errMsg));
+        this.errCode = errCode;
+    }
+
+    public NacosRuntimeException(int errCode, Throwable throwable) {
+        super(throwable);
+        this.errCode = errCode;
+    }
+
+    public NacosRuntimeException(int errCode, String errMsg, Throwable throwable) {
+        super(String.format(ERROR_MESSAGE_FORMAT, errCode, errMsg), throwable);
+        this.errCode = errCode;
+    }
+
+    public int getErrCode() {
+        return errCode;
+    }
+
+    public void setErrCode(int errCode) {
+        this.errCode = errCode;
+    }
+}
diff --git a/api/src/main/java/com/alibaba/nacos/api/exception/NacosSerializationException.java b/api/src/main/java/com/alibaba/nacos/api/exception/runtime/NacosSerializationException.java
similarity index 71%
rename from api/src/main/java/com/alibaba/nacos/api/exception/NacosSerializationException.java
rename to api/src/main/java/com/alibaba/nacos/api/exception/runtime/NacosSerializationException.java
index 620450225..b783ab27c 100644
--- a/api/src/main/java/com/alibaba/nacos/api/exception/NacosSerializationException.java
+++ b/api/src/main/java/com/alibaba/nacos/api/exception/runtime/NacosSerializationException.java
@@ -14,14 +14,16 @@
  * limitations under the License.
  */
 
-package com.alibaba.nacos.api.exception;
+package com.alibaba.nacos.api.exception.runtime;
 
 /**
  * Nacos serialization exception.
  *
  * @author yangyi
  */
-public class NacosSerializationException extends RuntimeException {
+public class NacosSerializationException extends NacosRuntimeException {
+
+    public static final int ERROR_CODE = 100;
 
     private static final long serialVersionUID = -4308536346316915612L;
 
@@ -32,19 +34,24 @@ public class NacosSerializationException extends RuntimeException {
     private Class<?> serializedClass;
 
     public NacosSerializationException() {
+        super(ERROR_CODE);
     }
 
     public NacosSerializationException(Class<?> serializedClass) {
-        super(String.format(MSG_FOR_SPECIFIED_CLASS, serializedClass.getName()));
+        super(ERROR_CODE, String.format(MSG_FOR_SPECIFIED_CLASS, serializedClass.getName()));
         this.serializedClass = serializedClass;
     }
 
     public NacosSerializationException(Throwable throwable) {
-        super(DEFAULT_MSG, throwable);
+        super(ERROR_CODE, DEFAULT_MSG, throwable);
     }
 
     public NacosSerializationException(Class<?> serializedClass, Throwable throwable) {
-        super(String.format(MSG_FOR_SPECIFIED_CLASS, serializedClass.getName()), throwable);
+        super(ERROR_CODE, String.format(MSG_FOR_SPECIFIED_CLASS, serializedClass.getName()), throwable);
         this.serializedClass = serializedClass;
     }
+
+    public Class<?> getSerializedClass() {
+        return serializedClass;
+    }
 }
diff --git a/common/src/main/java/com/alibaba/nacos/common/utils/JacksonUtils.java b/common/src/main/java/com/alibaba/nacos/common/utils/JacksonUtils.java
index 33c358965..e3c6a293d 100644
--- a/common/src/main/java/com/alibaba/nacos/common/utils/JacksonUtils.java
+++ b/common/src/main/java/com/alibaba/nacos/common/utils/JacksonUtils.java
@@ -16,8 +16,8 @@
 
 package com.alibaba.nacos.common.utils;
 
-import com.alibaba.nacos.api.exception.NacosDeserializationException;
-import com.alibaba.nacos.api.exception.NacosSerializationException;
+import com.alibaba.nacos.api.exception.runtime.NacosDeserializationException;
+import com.alibaba.nacos.api.exception.runtime.NacosSerializationException;
 import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.core.type.TypeReference;
 import com.fasterxml.jackson.databind.DeserializationFeature;
@@ -43,7 +43,7 @@ public final class JacksonUtils {
         try {
             return mapper.writeValueAsString(obj);
         } catch (JsonProcessingException e) {
-            throw new NacosSerializationException(obj.getClass());
+            throw new NacosSerializationException(obj.getClass(), e);
         }
     }
 
@@ -51,7 +51,7 @@ public final class JacksonUtils {
         try {
             return ByteUtils.toBytes(mapper.writeValueAsString(obj));
         } catch (JsonProcessingException e) {
-            throw new NacosSerializationException(obj.getClass());
+            throw new NacosSerializationException(obj.getClass(), e);
         }
     }
 
@@ -59,7 +59,7 @@ public final class JacksonUtils {
         try {
             return toObj(StringUtils.newString4UTF8(json), cls);
         } catch (Exception e) {
-            throw new NacosDeserializationException(cls);
+            throw new NacosDeserializationException(cls, e);
         }
     }
 
@@ -67,7 +67,7 @@ public final class JacksonUtils {
         try {
             return toObj(StringUtils.newString4UTF8(json), cls);
         } catch (Exception e) {
-            throw new NacosDeserializationException();
+            throw new NacosDeserializationException(e);
         }
     }
 
@@ -75,7 +75,7 @@ public final class JacksonUtils {
         try {
             return mapper.readValue(json, typeReference);
         } catch (IOException e) {
-            throw new NacosDeserializationException(typeReference.getClass());
+            throw new NacosDeserializationException(typeReference.getClass(), e);
         }
     }
 
@@ -83,7 +83,7 @@ public final class JacksonUtils {
         try {
             return mapper.readValue(json, cls);
         } catch (IOException e) {
-            throw new NacosDeserializationException(cls);
+            throw new NacosDeserializationException(cls, e);
         }
     }
 
@@ -91,7 +91,7 @@ public final class JacksonUtils {
         try {
             return mapper.readValue(json, mapper.constructType(type));
         } catch (IOException e) {
-            throw new NacosDeserializationException();
+            throw new NacosDeserializationException(e);
         }
     }
 
@@ -99,7 +99,7 @@ public final class JacksonUtils {
         try {
             return mapper.readTree(json);
         } catch (IOException e) {
-            throw new NacosDeserializationException();
+            throw new NacosDeserializationException(e);
         }
     }