diff --git a/mtconnect-examples/src/main/java/io/github/protocol/mtconnect/examples/MTConnectIoTDAServerExample.java b/mtconnect-examples/src/main/java/io/github/protocol/mtconnect/examples/MTConnectIoTDAServerExample.java
index 50d1eb1..93cf31d 100644
--- a/mtconnect-examples/src/main/java/io/github/protocol/mtconnect/examples/MTConnectIoTDAServerExample.java
+++ b/mtconnect-examples/src/main/java/io/github/protocol/mtconnect/examples/MTConnectIoTDAServerExample.java
@@ -18,7 +18,6 @@ public static void main(String[] args) {
         IoTDAMtProcessor ioTDAMtProcessor = new IoTDAMtProcessor.Builder()
                 .setAk(System.getenv("CLOUD_SDK_AK"))
                 .setSk(System.getenv("CLOUD_SDK_SK"))
-                .setProjectId("your_project_id")
                 .setEndpoint("ec138732b4.st1.iotda-app.cn-north-4.myhuaweicloud.com")
                 .build();
 
diff --git a/mtconnect-server/src/main/java/io/github/protocol/mtconnect/server/impl/IoTDAMtProcessor.java b/mtconnect-server/src/main/java/io/github/protocol/mtconnect/server/impl/IoTDAMtProcessor.java
index 00564da..461a014 100644
--- a/mtconnect-server/src/main/java/io/github/protocol/mtconnect/server/impl/IoTDAMtProcessor.java
+++ b/mtconnect-server/src/main/java/io/github/protocol/mtconnect/server/impl/IoTDAMtProcessor.java
@@ -23,7 +23,6 @@
 public class IoTDAMtProcessor implements MTProcessor {
     private String ak;
     private String sk;
-    private String projectId;
     private String endpoint;
     private IoTDAClient client;
 
@@ -62,11 +61,6 @@ public Builder setSk(String sk) {
             return this;
         }
 
-        public Builder setProjectId(String projectId) {
-            ioTDAMtProcessor.projectId = projectId;
-            return this;
-        }
-
         public Builder setEndpoint(String endpoint) {
             ioTDAMtProcessor.endpoint = endpoint;
             return this;