diff --git a/muyu-rule-common/src/main/java/rule/util/RuleTest.java b/muyu-rule-common/src/main/java/rule/util/RuleTest.java
index 47c566f..5df72c0 100644
--- a/muyu-rule-common/src/main/java/rule/util/RuleTest.java
+++ b/muyu-rule-common/src/main/java/rule/util/RuleTest.java
@@ -35,7 +35,7 @@ public class RuleTest {
                     engineWorkSourcePath + "/com/muyu/rule/generate/"+ruleEdition.getRuleKind()+".class";
             Path classFilePath = Paths.get(externalClassFilePath);
             //获取外部类所在的目录
-            String externalClassDir = externalClassFilePath.substring(0, externalClassFilePath.lastIndexOf('\\'));
+            String externalClassDir = externalClassFilePath.substring(0, externalClassFilePath.lastIndexOf('/'));
             URL[] urls = new URL[]{new File(externalClassDir).toURI().toURL()};
             ExternalClassLoader externalClassLoader = new ExternalClassLoader(urls);
             //加载类  全限定名