diff --git a/modules/module-ci-worker/src/main/java/cd/casic/devops/common/worker/task/EmptyTask.java b/modules/module-ci-worker/src/main/java/cd/casic/devops/common/worker/task/EmptyTask.java
new file mode 100644
index 0000000..0dbb682
--- /dev/null
+++ b/modules/module-ci-worker/src/main/java/cd/casic/devops/common/worker/task/EmptyTask.java
@@ -0,0 +1,27 @@
+package cd.casic.devops.common.worker.task;
+
+import cd.casic.ci.common.pipeline.enums.ErrorCode;
+import cd.casic.ci.common.pipeline.pojo.ErrorType;
+import java.io.File;
+import cd.casic.ci.process.api.process.pojo.BuildTask;
+import cd.casic.ci.process.api.process.pojo.BuildVariables;
+
+public class EmptyTask extends ITask {
+    private final String type;
+
+    public EmptyTask(String type) {
+        this.type = type;
+    }
+
+    @Override
+    public void execute(BuildTask buildTask, BuildVariables buildVariables, File workspace) {
+        throw new TaskExecuteException(
+                "Received unimplemented build task: " + type,
+                ErrorCode.USER_INPUT_INVAILD,
+                ErrorType.USER
+        );
+    }
+}
+
+
+
diff --git a/modules/module-ci-worker/src/main/java/cd/casic/devops/common/worker/task/TaskClassType.java b/modules/module-ci-worker/src/main/java/cd/casic/devops/common/worker/task/TaskClassType.java
new file mode 100644
index 0000000..06f55a5
--- /dev/null
+++ b/modules/module-ci-worker/src/main/java/cd/casic/devops/common/worker/task/TaskClassType.java
@@ -0,0 +1,17 @@
+package cd.casic.devops.common.worker.task;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+
+@Target({ElementType.TYPE, ElementType.FIELD})
+@Retention(RetentionPolicy.RUNTIME)
+public @interface TaskClassType {
+
+    String[] classTypes();
+
+
+    int priority() default 0;
+}