diff --git a/.idea/misc.xml b/.idea/misc.xml
new file mode 100644
index 0000000..3d87d16
--- /dev/null
+++ b/.idea/misc.xml
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectRootManager" version="2" project-jdk-name="12" project-jdk-type="JavaSDK" />
+</project>
\ No newline at end of file
diff --git a/yin/rubysonar-master/src/main/java/org/yinwang/rubysonar/Analyzer.java b/yin/rubysonar-master/src/main/java/org/yinwang/rubysonar/Analyzer.java
index 6c7ff0f..8819394 100755
--- a/yin/rubysonar-master/src/main/java/org/yinwang/rubysonar/Analyzer.java
+++ b/yin/rubysonar-master/src/main/java/org/yinwang/rubysonar/Analyzer.java
@@ -105,7 +105,7 @@ private void copyModels() {
 
 
     // main entry to the analyzer
-    public void analyze(String path) {
+    public void loadDir(String path) {
         String upath = _.unifyPath(path);
         File f = new File(upath);
         projectDir = f.isDirectory() ? f.getPath() : f.getParent();
@@ -114,7 +114,7 @@ public void analyze(String path) {
 
 
     // main entry to the analyzer (for JSONDump only)
-    public void analyze(List<String> paths) {
+    public void loadFile(List<String> paths) {
         for (String path : paths) {
             loadFileRecursive(path);
         }
diff --git a/yin/rubysonar-master/src/main/java/org/yinwang/rubysonar/AstCache.java b/yin/rubysonar-master/src/main/java/org/yinwang/rubysonar/AstCache.java
index c62cd7c..676ef71 100755
--- a/yin/rubysonar-master/src/main/java/org/yinwang/rubysonar/AstCache.java
+++ b/yin/rubysonar-master/src/main/java/org/yinwang/rubysonar/AstCache.java
@@ -102,7 +102,7 @@ public Node getAST(@NotNull String path) {
         }
 
         if (node != null) {
-            serialize(node);
+            saveToCache(node);
         }
 
         return node;
@@ -127,7 +127,7 @@ public String getCachePath(String md5, String name) {
 
 
     // package-private for testing
-    void serialize(@NotNull Node ast) {
+    void saveToCache(@NotNull Node ast) {
         String path = getCachePath(_.getSHA(ast.file), new File(ast.file).getName());
         ObjectOutputStream oos = null;
         FileOutputStream fos = null;