diff --git a/designer-base/src/main/java/com/fr/design/utils/DesignerPort.java b/designer-base/src/main/java/com/fr/design/utils/DesignerPort.java
index 08ea50382..7c082800e 100644
--- a/designer-base/src/main/java/com/fr/design/utils/DesignerPort.java
+++ b/designer-base/src/main/java/com/fr/design/utils/DesignerPort.java
@@ -1,10 +1,26 @@
 package com.fr.design.utils;
 
+/**
+ * 为的就是能替换 DesignPort.class 实现多开,因此避免编译器常量编译展开优化
+ */
 public class DesignerPort {
-
     private DesignerPort() {
     }
 
-    public static final int MESSAGE_PORT = 51462;
-    public static final int DEBUG_MESSAGE_PORT = 51463;
+    /**
+     * 设计器端口，避免编译期常量优化展开
+     */
+    public static final int MESSAGE_PORT = getMessagePort();
+    /**
+     * 设计器端口，避免编译期常量优化展开
+     */
+    public static final int DEBUG_MESSAGE_PORT = getDebugMessagePort();
+
+    private static int getMessagePort() {
+        return 51462;
+    }
+
+    private static int getDebugMessagePort() {
+        return 51463;
+    }
 }
diff --git a/designer-realize/src/main/java/com/fr/start/module/PreStartActivator.java b/designer-realize/src/main/java/com/fr/start/module/PreStartActivator.java
index 073d24cb0..1dd95cf6a 100644
--- a/designer-realize/src/main/java/com/fr/start/module/PreStartActivator.java
+++ b/designer-realize/src/main/java/com/fr/start/module/PreStartActivator.java
@@ -70,8 +70,6 @@ public class PreStartActivator extends Activator {
     private void checkDebugStart() {
         if (isDebug()) {
             setDebugEnv();
-        } else {
-            DesignUtils.setPort(DesignUtils.getPort());
         }
     }