diff --git a/kernel-a-rule/src/main/java/cn/stylefeng/roses/kernel/rule/constants/SymbolConstant.java b/kernel-a-rule/src/main/java/cn/stylefeng/roses/kernel/rule/constants/SymbolConstant.java
index be5a4f5fe..fe98b00ea 100644
--- a/kernel-a-rule/src/main/java/cn/stylefeng/roses/kernel/rule/constants/SymbolConstant.java
+++ b/kernel-a-rule/src/main/java/cn/stylefeng/roses/kernel/rule/constants/SymbolConstant.java
@@ -44,4 +44,10 @@ public interface SymbolConstant {
 
     String AND = "&";
 
+    String POINT = ".";
+
+    String SLASH = "/";
+    
+    String BACK_SLASH = "\\";
+
 }