diff --git a/AyCode.Core/AcDomain.cs b/AyCode.Core/AcDomain.cs
index 3ffe100..5f0e050 100644
--- a/AyCode.Core/AcDomain.cs
+++ b/AyCode.Core/AcDomain.cs
@@ -34,7 +34,7 @@
         {
             get
             {
-                #if Product
+                #if PRODUCT
                 {
                     return false;
                 }
@@ -48,7 +48,7 @@
         {
             get
             {
-                #if Product
+                #if PRODUCT
                 {
                     return true;
                 }