diff --git a/core/src/main/java/com/usthe/sureness/matcher/PathTreeProvider.java b/core/src/main/java/com/usthe/sureness/matcher/PathTreeProvider.java
index 9fe11ceed32bdb6cd39feaa0538e17a13d6e99d5..8fa2ea7b59a0c44a0f62ff7a731b5fa82ab692f5 100644
--- a/core/src/main/java/com/usthe/sureness/matcher/PathTreeProvider.java
+++ b/core/src/main/java/com/usthe/sureness/matcher/PathTreeProvider.java
@@ -16,7 +16,7 @@ public interface PathTreeProvider {
      * eg: springboot context path is: server.servlet.context-path = v2
      *     tomcat context path is: <context path="v2">
      */
-    AtomicReference<String> contextPathRef = new AtomicReference<String>();
+    AtomicReference<String> CONTEXT_PATH_REF = new AtomicReference<>();
 
     /**
      * set context path
@@ -24,7 +24,16 @@ public interface PathTreeProvider {
      * @param contextPath context path
      */
     default void setContextPath(String contextPath) {
-        contextPathRef.set(contextPath);
+        CONTEXT_PATH_REF.set(contextPath);
+    }
+
+    /**
+     * get context path
+     * Please sync with your server context path settings use setContextPath
+     * @return  context path
+     */
+    default String getContextPath() {
+        return CONTEXT_PATH_REF.get();
     }
 
     /**
diff --git a/core/src/main/java/com/usthe/sureness/provider/annotation/AnnotationPathTreeProvider.java b/core/src/main/java/com/usthe/sureness/provider/annotation/AnnotationPathTreeProvider.java
index 6b1d3adfc0914f0abadf8afc1676233026e3e3a8..8a4a8d9a33a2e2a4db22f0c7b57d194b37290061 100644
--- a/core/src/main/java/com/usthe/sureness/provider/annotation/AnnotationPathTreeProvider.java
+++ b/core/src/main/java/com/usthe/sureness/provider/annotation/AnnotationPathTreeProvider.java
@@ -77,7 +77,7 @@ public class AnnotationPathTreeProvider implements PathTreeProvider {
                 }
             }
         }
-        return SurenessCommonUtil.attachContextPath(contextPathRef.get(), resource);
+        return SurenessCommonUtil.attachContextPath(getContextPath(), resource);
     }
 
     @Override
@@ -100,7 +100,7 @@ public class AnnotationPathTreeProvider implements PathTreeProvider {
                 }
             }
         }
-        return SurenessCommonUtil.attachContextPath(contextPathRef.get(), resource);
+        return SurenessCommonUtil.attachContextPath(getContextPath(), resource);
     }
 
     public List<String> getScanPackages() {
diff --git a/core/src/main/java/com/usthe/sureness/provider/ducument/DocumentPathTreeProvider.java b/core/src/main/java/com/usthe/sureness/provider/ducument/DocumentPathTreeProvider.java
index 37b40aafbca162f96a7cb8ccd769124fe5dc8911..c494ec08229e0de1db8b3d1a314ded9f8d0d23d8 100644
--- a/core/src/main/java/com/usthe/sureness/provider/ducument/DocumentPathTreeProvider.java
+++ b/core/src/main/java/com/usthe/sureness/provider/ducument/DocumentPathTreeProvider.java
@@ -35,7 +35,7 @@ public class DocumentPathTreeProvider implements PathTreeProvider {
             } else {
                 resourceSet = new HashSet<>();
             }
-            return SurenessCommonUtil.attachContextPath(contextPathRef.get(), resourceSet);
+            return SurenessCommonUtil.attachContextPath(getContextPath(), resourceSet);
         } catch (IOException e) {
             logger.error("load config data from yaml file error: ", e);
             throw new SurenessLoadDataException(e.getMessage());
@@ -55,7 +55,7 @@ public class DocumentPathTreeProvider implements PathTreeProvider {
             } else {
                 resourceSet = new HashSet<>();
             }
-            return SurenessCommonUtil.attachContextPath(contextPathRef.get(), resourceSet);
+            return SurenessCommonUtil.attachContextPath(getContextPath(), resourceSet);
         } catch (IOException e) {
             logger.error("load config data from yaml file error: ", e);
             throw new SurenessLoadDataException(e.getMessage());
diff --git a/core/src/main/java/com/usthe/sureness/provider/ducument/DocumentResourceDefaultProvider.java b/core/src/main/java/com/usthe/sureness/provider/ducument/DocumentResourceDefaultProvider.java
index 8fe57099c2b704ca1de59c1fd4e596ccafc580b1..9de8e0970d652219183cae41c3ec55e92585e6ea 100644
--- a/core/src/main/java/com/usthe/sureness/provider/ducument/DocumentResourceDefaultProvider.java
+++ b/core/src/main/java/com/usthe/sureness/provider/ducument/DocumentResourceDefaultProvider.java
@@ -50,7 +50,7 @@ public class DocumentResourceDefaultProvider implements PathTreeProvider, Surene
             } else {
                 resourceSet = new HashSet<>();
             }
-            return SurenessCommonUtil.attachContextPath(contextPathRef.get(), resourceSet);
+            return SurenessCommonUtil.attachContextPath(getContextPath(), resourceSet);
         } catch (IOException e) {
             logger.error("load config data from yaml file error: ", e);
             throw new SurenessLoadDataException(e.getMessage());
@@ -70,7 +70,7 @@ public class DocumentResourceDefaultProvider implements PathTreeProvider, Surene
             } else {
                 resourceSet = new HashSet<>();
             }
-            return SurenessCommonUtil.attachContextPath(contextPathRef.get(), resourceSet);
+            return SurenessCommonUtil.attachContextPath(getContextPath(), resourceSet);
         } catch (IOException e) {
             logger.error("load config data from yaml file error: ", e);
             throw new SurenessLoadDataException(e.getMessage());
diff --git a/sample-tom/src/main/java/com/usthe/sureness/sample/tom/sureness/provider/DatabasePathTreeProvider.java b/sample-tom/src/main/java/com/usthe/sureness/sample/tom/sureness/provider/DatabasePathTreeProvider.java
index d84d523e9fcfec8f10682f3a4cecc8a30079643a..7026474cd08a93874c8b39c0d4276379c3d26fc8 100644
--- a/sample-tom/src/main/java/com/usthe/sureness/sample/tom/sureness/provider/DatabasePathTreeProvider.java
+++ b/sample-tom/src/main/java/com/usthe/sureness/sample/tom/sureness/provider/DatabasePathTreeProvider.java
@@ -22,13 +22,13 @@ public class DatabasePathTreeProvider implements PathTreeProvider {
 
     @Override
     public Set<String> providePathData() {
-        return SurenessCommonUtil.attachContextPath(contextPathRef.get(), resourceService.getAllEnableResourcePath());
+        return SurenessCommonUtil.attachContextPath(getContextPath(), resourceService.getAllEnableResourcePath());
 
     }
 
     @Override
     public Set<String> provideExcludedResource() {
-        return SurenessCommonUtil.attachContextPath(contextPathRef.get(), resourceService.getAllDisableResourcePath());
+        return SurenessCommonUtil.attachContextPath(getContextPath(), resourceService.getAllDisableResourcePath());
     }
 
 }