diff --git a/build.gradle b/build.gradle
index 432d410cab..99aaf4e09a 100644
--- a/build.gradle
+++ b/build.gradle
@@ -521,6 +521,7 @@ subprojects {
 
             dependency "com.h3xstream.findsecbugs:findsecbugs-plugin:1.11.0"
             dependency "com.mebigfatguy.fb-contrib:fb-contrib:7.6.0"
+            dependency "com.jayway.jsonpath:json-path:2.7.0"
 
             dependency "org.springframework.boot:spring-boot-starter-web:2.7.10"
             dependency "io.openmessaging:registry-server:0.0.1"
diff --git a/eventmesh-common/build.gradle b/eventmesh-common/build.gradle
index f2c627acdd..67cb886dec 100644
--- a/eventmesh-common/build.gradle
+++ b/eventmesh-common/build.gradle
@@ -25,8 +25,8 @@ dependencies {
     api "org.apache.commons:commons-text"
     api "org.apache.commons:commons-lang3"
 
-    implementation group: 'com.jayway.jsonpath', name: 'json-path', version: '2.7.0'
-    implementation 'commons-net:commons-net:3.9.0'
+    api "com.jayway.jsonpath:json-path"
+
     api "io.cloudevents:cloudevents-core"
     api "io.cloudevents:cloudevents-json-jackson"
 
diff --git a/eventmesh-common/src/main/java/org/apache/eventmesh/common/transform/Variable.java b/eventmesh-filter/build.gradle
similarity index 79%
rename from eventmesh-common/src/main/java/org/apache/eventmesh/common/transform/Variable.java
rename to eventmesh-filter/build.gradle
index b7f139f2b2..ba88591b41 100644
--- a/eventmesh-common/src/main/java/org/apache/eventmesh/common/transform/Variable.java
+++ b/eventmesh-filter/build.gradle
@@ -15,16 +15,7 @@
  * limitations under the License.
  */
 
-package org.apache.eventmesh.common.transform;
-
-import lombok.AllArgsConstructor;
-import lombok.Data;
-
-@Data
-@AllArgsConstructor
-public class Variable {
-
-    private String name;
-    private String jsonPath;
 
+dependencies {
+    implementation project(":eventmesh-common")
 }
diff --git a/eventmesh-common/src/main/java/org/apache/eventmesh/common/filter/PatternEntry.java b/eventmesh-filter/src/main/java/org/apache/eventmesh/filter/PatternEntry.java
similarity index 94%
rename from eventmesh-common/src/main/java/org/apache/eventmesh/common/filter/PatternEntry.java
rename to eventmesh-filter/src/main/java/org/apache/eventmesh/filter/PatternEntry.java
index b6f747e673..73878fb65e 100644
--- a/eventmesh-common/src/main/java/org/apache/eventmesh/common/filter/PatternEntry.java
+++ b/eventmesh-filter/src/main/java/org/apache/eventmesh/filter/PatternEntry.java
@@ -15,9 +15,9 @@
  * limitations under the License.
  */
 
-package org.apache.eventmesh.common.filter;
+package org.apache.eventmesh.filter;
 
-import org.apache.eventmesh.common.filter.condition.Condition;
+import org.apache.eventmesh.filter.condition.Condition;
 
 import java.util.ArrayList;
 import java.util.List;
diff --git a/eventmesh-common/src/main/java/org/apache/eventmesh/common/filter/condition/AnythingButCondition.java b/eventmesh-filter/src/main/java/org/apache/eventmesh/filter/condition/AnythingButCondition.java
similarity index 93%
rename from eventmesh-common/src/main/java/org/apache/eventmesh/common/filter/condition/AnythingButCondition.java
rename to eventmesh-filter/src/main/java/org/apache/eventmesh/filter/condition/AnythingButCondition.java
index f64dd1fc45..2d58136a70 100644
--- a/eventmesh-common/src/main/java/org/apache/eventmesh/common/filter/condition/AnythingButCondition.java
+++ b/eventmesh-filter/src/main/java/org/apache/eventmesh/filter/condition/AnythingButCondition.java
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package org.apache.eventmesh.common.filter.condition;
+package org.apache.eventmesh.filter.condition;
 
 import java.util.ArrayList;
 import java.util.Iterator;
@@ -24,11 +24,11 @@
 
 import com.fasterxml.jackson.databind.JsonNode;
 
-class AnythingButCondition implements Condition {
+public class AnythingButCondition implements Condition {
 
     private List<Condition> conditionList = new ArrayList<>();
 
-    AnythingButCondition(JsonNode condition) {
+    public AnythingButCondition(JsonNode condition) {
 
         if (condition.isValueNode()) {
             this.conditionList.add(new SpecifiedCondition(condition));
diff --git a/eventmesh-common/src/main/java/org/apache/eventmesh/common/filter/condition/Condition.java b/eventmesh-filter/src/main/java/org/apache/eventmesh/filter/condition/Condition.java
similarity index 94%
rename from eventmesh-common/src/main/java/org/apache/eventmesh/common/filter/condition/Condition.java
rename to eventmesh-filter/src/main/java/org/apache/eventmesh/filter/condition/Condition.java
index 4ae08616b9..fbb4276c7b 100644
--- a/eventmesh-common/src/main/java/org/apache/eventmesh/common/filter/condition/Condition.java
+++ b/eventmesh-filter/src/main/java/org/apache/eventmesh/filter/condition/Condition.java
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package org.apache.eventmesh.common.filter.condition;
+package org.apache.eventmesh.filter.condition;
 
 import com.fasterxml.jackson.databind.JsonNode;
 
diff --git a/eventmesh-common/src/main/java/org/apache/eventmesh/common/filter/condition/ConditionsBuilder.java b/eventmesh-filter/src/main/java/org/apache/eventmesh/filter/condition/ConditionsBuilder.java
similarity index 94%
rename from eventmesh-common/src/main/java/org/apache/eventmesh/common/filter/condition/ConditionsBuilder.java
rename to eventmesh-filter/src/main/java/org/apache/eventmesh/filter/condition/ConditionsBuilder.java
index bceb09d57e..4e207663aa 100644
--- a/eventmesh-common/src/main/java/org/apache/eventmesh/common/filter/condition/ConditionsBuilder.java
+++ b/eventmesh-filter/src/main/java/org/apache/eventmesh/filter/condition/ConditionsBuilder.java
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package org.apache.eventmesh.common.filter.condition;
+package org.apache.eventmesh.filter.condition;
 
 import com.fasterxml.jackson.databind.JsonNode;
 
@@ -38,7 +38,7 @@ public Condition build() {
         Condition condition = null;
         switch (this.key) {
             case "prefix":
-                condition = new PrefixxCondition(this.jsonNode);
+                condition = new PrefixCondition(this.jsonNode);
                 break;
             case "suffix":
                 condition = new SuffixCondition(this.jsonNode);
diff --git a/eventmesh-common/src/main/java/org/apache/eventmesh/common/filter/condition/ExistsCondition.java b/eventmesh-filter/src/main/java/org/apache/eventmesh/filter/condition/ExistsCondition.java
similarity index 91%
rename from eventmesh-common/src/main/java/org/apache/eventmesh/common/filter/condition/ExistsCondition.java
rename to eventmesh-filter/src/main/java/org/apache/eventmesh/filter/condition/ExistsCondition.java
index 95d765d71b..53c15bb297 100644
--- a/eventmesh-common/src/main/java/org/apache/eventmesh/common/filter/condition/ExistsCondition.java
+++ b/eventmesh-filter/src/main/java/org/apache/eventmesh/filter/condition/ExistsCondition.java
@@ -15,11 +15,11 @@
  * limitations under the License.
  */
 
-package org.apache.eventmesh.common.filter.condition;
+package org.apache.eventmesh.filter.condition;
 
 import com.fasterxml.jackson.databind.JsonNode;
 
-class ExistsCondition implements Condition {
+public class ExistsCondition implements Condition {
 
     private JsonNode exists;
 
diff --git a/eventmesh-common/src/main/java/org/apache/eventmesh/common/filter/condition/NumericCondition.java b/eventmesh-filter/src/main/java/org/apache/eventmesh/filter/condition/NumericCondition.java
similarity index 96%
rename from eventmesh-common/src/main/java/org/apache/eventmesh/common/filter/condition/NumericCondition.java
rename to eventmesh-filter/src/main/java/org/apache/eventmesh/filter/condition/NumericCondition.java
index b5c28a4d13..5eb5374c7c 100644
--- a/eventmesh-common/src/main/java/org/apache/eventmesh/common/filter/condition/NumericCondition.java
+++ b/eventmesh-filter/src/main/java/org/apache/eventmesh/filter/condition/NumericCondition.java
@@ -15,14 +15,14 @@
  * limitations under the License.
  */
 
-package org.apache.eventmesh.common.filter.condition;
+package org.apache.eventmesh.filter.condition;
 
 import java.util.ArrayList;
 import java.util.List;
 
 import com.fasterxml.jackson.databind.JsonNode;
 
-class NumericCondition implements Condition {
+public class NumericCondition implements Condition {
 
     List<String> operators = new ArrayList<>();
     List<Double> nums = new ArrayList<>();
diff --git a/eventmesh-common/src/main/java/org/apache/eventmesh/common/filter/condition/PrefixxCondition.java b/eventmesh-filter/src/main/java/org/apache/eventmesh/filter/condition/PrefixCondition.java
similarity index 87%
rename from eventmesh-common/src/main/java/org/apache/eventmesh/common/filter/condition/PrefixxCondition.java
rename to eventmesh-filter/src/main/java/org/apache/eventmesh/filter/condition/PrefixCondition.java
index 22c1afa61b..633ed1fb02 100644
--- a/eventmesh-common/src/main/java/org/apache/eventmesh/common/filter/condition/PrefixxCondition.java
+++ b/eventmesh-filter/src/main/java/org/apache/eventmesh/filter/condition/PrefixCondition.java
@@ -15,15 +15,15 @@
  * limitations under the License.
  */
 
-package org.apache.eventmesh.common.filter.condition;
+package org.apache.eventmesh.filter.condition;
 
 import com.fasterxml.jackson.databind.JsonNode;
 
-class PrefixxCondition implements Condition {
+public class PrefixCondition implements Condition {
 
     private final String prefix;
 
-    public PrefixxCondition(JsonNode suffix) {
+    public PrefixCondition(JsonNode suffix) {
         this.prefix = suffix.asText();
     }
 
diff --git a/eventmesh-common/src/main/java/org/apache/eventmesh/common/filter/condition/SpecifiedCondition.java b/eventmesh-filter/src/main/java/org/apache/eventmesh/filter/condition/SpecifiedCondition.java
similarity index 91%
rename from eventmesh-common/src/main/java/org/apache/eventmesh/common/filter/condition/SpecifiedCondition.java
rename to eventmesh-filter/src/main/java/org/apache/eventmesh/filter/condition/SpecifiedCondition.java
index b6fa884a1f..f9cc3fb5db 100644
--- a/eventmesh-common/src/main/java/org/apache/eventmesh/common/filter/condition/SpecifiedCondition.java
+++ b/eventmesh-filter/src/main/java/org/apache/eventmesh/filter/condition/SpecifiedCondition.java
@@ -15,11 +15,11 @@
  * limitations under the License.
  */
 
-package org.apache.eventmesh.common.filter.condition;
+package org.apache.eventmesh.filter.condition;
 
 import com.fasterxml.jackson.databind.JsonNode;
 
-class SpecifiedCondition implements Condition {
+public class SpecifiedCondition implements Condition {
 
     private final JsonNode specified;
 
diff --git a/eventmesh-common/src/main/java/org/apache/eventmesh/common/filter/condition/SuffixCondition.java b/eventmesh-filter/src/main/java/org/apache/eventmesh/filter/condition/SuffixCondition.java
similarity index 91%
rename from eventmesh-common/src/main/java/org/apache/eventmesh/common/filter/condition/SuffixCondition.java
rename to eventmesh-filter/src/main/java/org/apache/eventmesh/filter/condition/SuffixCondition.java
index b7187d6c19..805df0ee17 100644
--- a/eventmesh-common/src/main/java/org/apache/eventmesh/common/filter/condition/SuffixCondition.java
+++ b/eventmesh-filter/src/main/java/org/apache/eventmesh/filter/condition/SuffixCondition.java
@@ -15,11 +15,11 @@
  * limitations under the License.
  */
 
-package org.apache.eventmesh.common.filter.condition;
+package org.apache.eventmesh.filter.condition;
 
 import com.fasterxml.jackson.databind.JsonNode;
 
-class SuffixCondition implements Condition {
+public class SuffixCondition implements Condition {
 
     private final String suffix;
 
diff --git a/eventmesh-common/src/main/java/org/apache/eventmesh/common/filter/pattern/Pattern.java b/eventmesh-filter/src/main/java/org/apache/eventmesh/filter/pattern/Pattern.java
similarity index 96%
rename from eventmesh-common/src/main/java/org/apache/eventmesh/common/filter/pattern/Pattern.java
rename to eventmesh-filter/src/main/java/org/apache/eventmesh/filter/pattern/Pattern.java
index 6187a668b7..8abb306b84 100644
--- a/eventmesh-common/src/main/java/org/apache/eventmesh/common/filter/pattern/Pattern.java
+++ b/eventmesh-filter/src/main/java/org/apache/eventmesh/filter/pattern/Pattern.java
@@ -15,10 +15,10 @@
  * limitations under the License.
  */
 
-package org.apache.eventmesh.common.filter.pattern;
+package org.apache.eventmesh.filter.pattern;
 
-import org.apache.eventmesh.common.filter.PatternEntry;
 import org.apache.eventmesh.common.utils.JsonPathUtils;
+import org.apache.eventmesh.filter.PatternEntry;
 
 import org.apache.commons.lang3.StringUtils;
 
diff --git a/eventmesh-common/src/main/java/org/apache/eventmesh/common/filter/patternbuild/PatternBuilder.java b/eventmesh-filter/src/main/java/org/apache/eventmesh/filter/patternbuild/PatternBuilder.java
similarity index 95%
rename from eventmesh-common/src/main/java/org/apache/eventmesh/common/filter/patternbuild/PatternBuilder.java
rename to eventmesh-filter/src/main/java/org/apache/eventmesh/filter/patternbuild/PatternBuilder.java
index 4abf2af062..0a2fb01760 100644
--- a/eventmesh-common/src/main/java/org/apache/eventmesh/common/filter/patternbuild/PatternBuilder.java
+++ b/eventmesh-filter/src/main/java/org/apache/eventmesh/filter/patternbuild/PatternBuilder.java
@@ -15,13 +15,13 @@
  * limitations under the License.
  */
 
-package org.apache.eventmesh.common.filter.patternbuild;
+package org.apache.eventmesh.filter.patternbuild;
 
 import org.apache.eventmesh.common.exception.JsonException;
-import org.apache.eventmesh.common.filter.PatternEntry;
-import org.apache.eventmesh.common.filter.condition.Condition;
-import org.apache.eventmesh.common.filter.condition.ConditionsBuilder;
-import org.apache.eventmesh.common.filter.pattern.Pattern;
+import org.apache.eventmesh.filter.PatternEntry;
+import org.apache.eventmesh.filter.condition.Condition;
+import org.apache.eventmesh.filter.condition.ConditionsBuilder;
+import org.apache.eventmesh.filter.pattern.Pattern;
 
 import java.util.ArrayDeque;
 import java.util.Iterator;
diff --git a/eventmesh-common/src/test/java/org/apache/eventmesh/common/filter/PatternTest.java b/eventmesh-filter/src/test/java/org/apache/eventmesh/filter/PatternTest.java
similarity index 96%
rename from eventmesh-common/src/test/java/org/apache/eventmesh/common/filter/PatternTest.java
rename to eventmesh-filter/src/test/java/org/apache/eventmesh/filter/PatternTest.java
index f5b14515f3..207992b0c1 100644
--- a/eventmesh-common/src/test/java/org/apache/eventmesh/common/filter/PatternTest.java
+++ b/eventmesh-filter/src/test/java/org/apache/eventmesh/filter/PatternTest.java
@@ -15,10 +15,10 @@
  * limitations under the License.
  */
 
-package org.apache.eventmesh.common.filter;
+package org.apache.eventmesh.filter;
 
-import org.apache.eventmesh.common.filter.pattern.Pattern;
-import org.apache.eventmesh.common.filter.patternbuild.PatternBuilder;
+import org.apache.eventmesh.filter.pattern.Pattern;
+import org.apache.eventmesh.filter.patternbuild.PatternBuilder;
 
 import org.junit.jupiter.api.Assertions;
 import org.junit.jupiter.api.Test;
diff --git a/eventmesh-transformer/build.gradle b/eventmesh-transformer/build.gradle
new file mode 100644
index 0000000000..ba88591b41
--- /dev/null
+++ b/eventmesh-transformer/build.gradle
@@ -0,0 +1,21 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.
+ */
+
+
+dependencies {
+    implementation project(":eventmesh-common")
+}
diff --git a/eventmesh-common/src/main/java/org/apache/eventmesh/common/transform/ConstantTransformer.java b/eventmesh-transformer/src/main/java/org/apache/eventmesh/transformer/ConstantTransformer.java
similarity index 81%
rename from eventmesh-common/src/main/java/org/apache/eventmesh/common/transform/ConstantTransformer.java
rename to eventmesh-transformer/src/main/java/org/apache/eventmesh/transformer/ConstantTransformer.java
index e3df38e1e7..dd7c20aace 100644
--- a/eventmesh-common/src/main/java/org/apache/eventmesh/common/transform/ConstantTransformer.java
+++ b/eventmesh-transformer/src/main/java/org/apache/eventmesh/transformer/ConstantTransformer.java
@@ -15,11 +15,9 @@
  * limitations under the License.
  */
 
-package org.apache.eventmesh.common.transform;
+package org.apache.eventmesh.transformer;
 
-import org.apache.eventmesh.common.exception.EventMeshException;
-
-class ConstantTransformer implements Transformer {
+public class ConstantTransformer implements Transformer {
 
     private final String jsonpath;
 
@@ -28,7 +26,7 @@ class ConstantTransformer implements Transformer {
     }
 
     @Override
-    public String transform(String json) throws EventMeshException {
+    public String transform(String json) throws TransformException {
         return this.jsonpath;
     }
 }
diff --git a/eventmesh-common/src/main/java/org/apache/eventmesh/common/transform/JsonPathParser.java b/eventmesh-transformer/src/main/java/org/apache/eventmesh/transformer/JsonPathParser.java
similarity index 93%
rename from eventmesh-common/src/main/java/org/apache/eventmesh/common/transform/JsonPathParser.java
rename to eventmesh-transformer/src/main/java/org/apache/eventmesh/transformer/JsonPathParser.java
index d35a22205a..a220fc0abd 100644
--- a/eventmesh-common/src/main/java/org/apache/eventmesh/common/transform/JsonPathParser.java
+++ b/eventmesh-transformer/src/main/java/org/apache/eventmesh/transformer/JsonPathParser.java
@@ -15,9 +15,8 @@
  * limitations under the License.
  */
 
-package org.apache.eventmesh.common.transform;
+package org.apache.eventmesh.transformer;
 
-import org.apache.eventmesh.common.exception.EventMeshException;
 import org.apache.eventmesh.common.utils.JsonPathUtils;
 
 import java.util.ArrayList;
@@ -52,7 +51,7 @@ public JsonPathParser(String jsonPathString) {
             if (valueNode.isValueNode()) {
                 variablesList.add(new Variable(name, valueNode.asText()));
             } else {
-                throw new EventMeshException("invalid config:" + jsonPathString);
+                throw new TransformException("invalid config:" + jsonPathString);
             }
 
         }
@@ -67,7 +66,6 @@ public JsonPathParser(String jsonPathString) {
      */
 
     public List<Variable> match(String json) throws JsonProcessingException {
-
         if (json == null || json.isEmpty()) {
             return new ArrayList<>();
         }
diff --git a/eventmesh-common/src/main/java/org/apache/eventmesh/common/transform/OriginalTransformer.java b/eventmesh-transformer/src/main/java/org/apache/eventmesh/transformer/OriginalTransformer.java
similarity index 95%
rename from eventmesh-common/src/main/java/org/apache/eventmesh/common/transform/OriginalTransformer.java
rename to eventmesh-transformer/src/main/java/org/apache/eventmesh/transformer/OriginalTransformer.java
index 708a2aeb2e..61aa059d59 100644
--- a/eventmesh-common/src/main/java/org/apache/eventmesh/common/transform/OriginalTransformer.java
+++ b/eventmesh-transformer/src/main/java/org/apache/eventmesh/transformer/OriginalTransformer.java
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package org.apache.eventmesh.common.transform;
+package org.apache.eventmesh.transformer;
 
 class OriginalTransformer implements Transformer {
 
diff --git a/eventmesh-common/src/main/java/org/apache/eventmesh/common/transform/Template.java b/eventmesh-transformer/src/main/java/org/apache/eventmesh/transformer/Template.java
similarity index 78%
rename from eventmesh-common/src/main/java/org/apache/eventmesh/common/transform/Template.java
rename to eventmesh-transformer/src/main/java/org/apache/eventmesh/transformer/Template.java
index 348ed1a93d..5d2358dfe6 100644
--- a/eventmesh-common/src/main/java/org/apache/eventmesh/common/transform/Template.java
+++ b/eventmesh-transformer/src/main/java/org/apache/eventmesh/transformer/Template.java
@@ -15,9 +15,7 @@
  * limitations under the License.
  */
 
-package org.apache.eventmesh.common.transform;
-
-import org.apache.eventmesh.common.exception.EventMeshException;
+package org.apache.eventmesh.transformer;
 
 import org.apache.commons.text.StringSubstitutor;
 
@@ -25,16 +23,15 @@
 import java.util.Map;
 import java.util.stream.Collectors;
 
-import lombok.AllArgsConstructor;
-import lombok.Data;
-
-@Data
-@AllArgsConstructor
 public class Template {
 
     private String template;
 
-    public String substitute(List<Variable> variables) throws EventMeshException {
+    public Template(String template) {
+        this.template = template;
+    }
+
+    public String substitute(List<Variable> variables) throws TransformException {
 
         Map<String, String> valuesMap = variables.stream()
             .filter(variable -> variable.getJsonPath() != null)
@@ -44,4 +41,12 @@ public String substitute(List<Variable> variables) throws EventMeshException {
         return sub.replace(template);
 
     }
+
+    public String getTemplate() {
+        return template;
+    }
+
+    public void setTemplate(String template) {
+        this.template = template;
+    }
 }
\ No newline at end of file
diff --git a/eventmesh-common/src/main/java/org/apache/eventmesh/common/transform/TemplateTransformer.java b/eventmesh-transformer/src/main/java/org/apache/eventmesh/transformer/TemplateTransformer.java
similarity index 96%
rename from eventmesh-common/src/main/java/org/apache/eventmesh/common/transform/TemplateTransformer.java
rename to eventmesh-transformer/src/main/java/org/apache/eventmesh/transformer/TemplateTransformer.java
index ea42d05de3..2a4db5fc3d 100644
--- a/eventmesh-common/src/main/java/org/apache/eventmesh/common/transform/TemplateTransformer.java
+++ b/eventmesh-transformer/src/main/java/org/apache/eventmesh/transformer/TemplateTransformer.java
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package org.apache.eventmesh.common.transform;
+package org.apache.eventmesh.transformer;
 
 import java.util.List;
 
diff --git a/eventmesh-transformer/src/main/java/org/apache/eventmesh/transformer/TransformException.java b/eventmesh-transformer/src/main/java/org/apache/eventmesh/transformer/TransformException.java
new file mode 100644
index 0000000000..1b11a29d80
--- /dev/null
+++ b/eventmesh-transformer/src/main/java/org/apache/eventmesh/transformer/TransformException.java
@@ -0,0 +1,35 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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 org.apache.eventmesh.transformer;
+
+/**
+ * Transform exception
+ */
+public class TransformException extends RuntimeException {
+
+    private static final long serialVersionUID = -4351489859520642285L;
+
+    public TransformException(String message) {
+        super(message);
+    }
+
+    public TransformException(String message, Throwable cause) {
+        super(message, cause);
+    }
+
+}
diff --git a/eventmesh-common/src/main/java/org/apache/eventmesh/common/transform/Transformer.java b/eventmesh-transformer/src/main/java/org/apache/eventmesh/transformer/Transformer.java
similarity index 95%
rename from eventmesh-common/src/main/java/org/apache/eventmesh/common/transform/Transformer.java
rename to eventmesh-transformer/src/main/java/org/apache/eventmesh/transformer/Transformer.java
index fecfe4b18c..8239dfcb6e 100644
--- a/eventmesh-common/src/main/java/org/apache/eventmesh/common/transform/Transformer.java
+++ b/eventmesh-transformer/src/main/java/org/apache/eventmesh/transformer/Transformer.java
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package org.apache.eventmesh.common.transform;
+package org.apache.eventmesh.transformer;
 
 import com.fasterxml.jackson.core.JsonProcessingException;
 
diff --git a/eventmesh-common/src/main/java/org/apache/eventmesh/common/transform/TransformerBuilder.java b/eventmesh-transformer/src/main/java/org/apache/eventmesh/transformer/TransformerBuilder.java
similarity index 93%
rename from eventmesh-common/src/main/java/org/apache/eventmesh/common/transform/TransformerBuilder.java
rename to eventmesh-transformer/src/main/java/org/apache/eventmesh/transformer/TransformerBuilder.java
index 0eafdebb75..05ad583550 100644
--- a/eventmesh-common/src/main/java/org/apache/eventmesh/common/transform/TransformerBuilder.java
+++ b/eventmesh-transformer/src/main/java/org/apache/eventmesh/transformer/TransformerBuilder.java
@@ -15,9 +15,7 @@
  * limitations under the License.
  */
 
-package org.apache.eventmesh.common.transform;
-
-import org.apache.eventmesh.common.exception.EventMeshException;
+package org.apache.eventmesh.transformer;
 
 public class TransformerBuilder {
 
@@ -50,7 +48,7 @@ public Transformer build() {
                 case TEMPLATE:
                     return buildTemplateTransFormer(this.content, this.template);
                 default:
-                    throw new EventMeshException("invalid config");
+                    throw new TransformException("invalid config");
             }
         }
 
diff --git a/eventmesh-common/src/main/java/org/apache/eventmesh/common/transform/TransformerType.java b/eventmesh-transformer/src/main/java/org/apache/eventmesh/transformer/TransformerType.java
similarity index 94%
rename from eventmesh-common/src/main/java/org/apache/eventmesh/common/transform/TransformerType.java
rename to eventmesh-transformer/src/main/java/org/apache/eventmesh/transformer/TransformerType.java
index 13a5c05d4e..5ca2142c34 100644
--- a/eventmesh-common/src/main/java/org/apache/eventmesh/common/transform/TransformerType.java
+++ b/eventmesh-transformer/src/main/java/org/apache/eventmesh/transformer/TransformerType.java
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package org.apache.eventmesh.common.transform;
+package org.apache.eventmesh.transformer;
 
 public enum TransformerType {
     ORIGINAL,
diff --git a/eventmesh-transformer/src/main/java/org/apache/eventmesh/transformer/Variable.java b/eventmesh-transformer/src/main/java/org/apache/eventmesh/transformer/Variable.java
new file mode 100644
index 0000000000..6b3cc4da47
--- /dev/null
+++ b/eventmesh-transformer/src/main/java/org/apache/eventmesh/transformer/Variable.java
@@ -0,0 +1,46 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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 org.apache.eventmesh.transformer;
+
+public class Variable {
+
+    private String name;
+
+    private String jsonPath;
+
+    public Variable(String name, String jsonPath) {
+        this.name = name;
+        this.jsonPath = jsonPath;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public String getJsonPath() {
+        return jsonPath;
+    }
+
+    public void setJsonPath(String jsonPath) {
+        this.jsonPath = jsonPath;
+    }
+}
diff --git a/eventmesh-common/src/test/java/org/apache/eventmesh/common/transform/TransformTest.java b/eventmesh-transformer/src/test/java/org/apache/eventmesh/transform/TransformTest.java
similarity index 96%
rename from eventmesh-common/src/test/java/org/apache/eventmesh/common/transform/TransformTest.java
rename to eventmesh-transformer/src/test/java/org/apache/eventmesh/transform/TransformTest.java
index f91681a425..b17460a410 100644
--- a/eventmesh-common/src/test/java/org/apache/eventmesh/common/transform/TransformTest.java
+++ b/eventmesh-transformer/src/test/java/org/apache/eventmesh/transform/TransformTest.java
@@ -15,7 +15,11 @@
  * limitations under the License.
  */
 
-package org.apache.eventmesh.common.transform;
+package org.apache.eventmesh.transform;
+
+import org.apache.eventmesh.transformer.Transformer;
+import org.apache.eventmesh.transformer.TransformerBuilder;
+import org.apache.eventmesh.transformer.TransformerType;
 
 import org.junit.jupiter.api.Assertions;
 import org.junit.jupiter.api.Test;
diff --git a/eventmesh-webhook/eventmesh-webhook-admin/src/main/java/org/apache/eventmesh/webhook/admin/NacosWebHookConfigOperation.java b/eventmesh-webhook/eventmesh-webhook-admin/src/main/java/org/apache/eventmesh/webhook/admin/NacosWebHookConfigOperation.java
index a87b43c78e..98e43a8e86 100644
--- a/eventmesh-webhook/eventmesh-webhook-admin/src/main/java/org/apache/eventmesh/webhook/admin/NacosWebHookConfigOperation.java
+++ b/eventmesh-webhook/eventmesh-webhook-admin/src/main/java/org/apache/eventmesh/webhook/admin/NacosWebHookConfigOperation.java
@@ -29,9 +29,6 @@
 import org.apache.eventmesh.webhook.api.WebHookConfigOperation;
 import org.apache.eventmesh.webhook.api.WebHookOperationConstant;
 
-import java.io.UnsupportedEncodingException;
-import java.net.URLEncoder;
-import java.nio.charset.StandardCharsets;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Properties;
diff --git a/settings.gradle b/settings.gradle
index a1b63fd376..676cc6e79a 100644
--- a/settings.gradle
+++ b/settings.gradle
@@ -23,6 +23,8 @@ include 'eventmesh-common'
 include 'eventmesh-starter'
 include 'eventmesh-examples'
 include 'eventmesh-spi'
+include 'eventmesh-filter'
+include 'eventmesh-transformer'
 
 include 'eventmesh-openconnect:eventmesh-openconnect-java'
 include 'eventmesh-openconnect:eventmesh-openconnect-offsetmgmt-plugin:eventmesh-openconnect-offsetmgmt-api'
diff --git a/tools/dependency-check/known-dependencies.txt b/tools/dependency-check/known-dependencies.txt
index 6022c3fbd6..7ccc8115b8 100644
--- a/tools/dependency-check/known-dependencies.txt
+++ b/tools/dependency-check/known-dependencies.txt
@@ -38,7 +38,6 @@ commons-digester-2.1.jar
 commons-io-2.11.0.jar
 commons-lang3-3.6.jar
 commons-logging-1.2.jar
-commons-net-3.9.0.jar
 commons-text-1.9.jar
 commons-validator-1.7.jar
 consul-api-1.4.5.jar