diff --git a/minijvm/c/main.c b/minijvm/c/main.c
index 61a3b684..37e20218 100644
--- a/minijvm/c/main.c
+++ b/minijvm/c/main.c
@@ -26,7 +26,6 @@ int main(int argc, char **argv) {
     c8 *bootclasspath = NULL;
     c8 *classpath = NULL;
     c8 *main_name = NULL;
-    s32 print_version = 0;
     s32 main_set = 0;
     ArrayList *java_para = arraylist_create(0);
     s32 jdwp = 0;
@@ -42,7 +41,7 @@ int main(int argc, char **argv) {
 #endif
     s32 dpos = utf8_last_indexof_c(startup_dir, "/");
     if (dpos > 0)utf8_substring(startup_dir, 0, dpos);
-    utf8_append_c(startup_dir, "/");
+    if (utf8_char_at(startup_dir, startup_dir->length - 1) != '/')utf8_append_c(startup_dir, "/");
 #if _JVM_DEBUG_LOG_LEVEL > 0
     jvm_printf("App dir:%s\n", utf8_cstr(startup_dir));
 #endif
@@ -51,7 +50,7 @@ int main(int argc, char **argv) {
         utf8_append(bootcp, startup_dir);
         utf8_append_c(bootcp, "../lib/minijvm_rt.jar");
         bootclasspath = (c8 *) utf8_cstr(bootcp);
-        jdwp = 1;  // 0:disable java debug , 1:enable java debug and disable jit
+        jdwp = 0;  // 0:disable java debug , 1:enable java debug and disable jit
 
         //test for graphics
         utf8_append(cp, startup_dir);
@@ -120,7 +119,7 @@ int main(int argc, char **argv) {
 //        classpath = (c8 *) utf8_cstr(cp);
 //        main_name = "org.luaj.vm2.lib.jme.TestLuaJ";
 
-    }
+    }//default args
 
     //  mini_jvm   -Xmx16M -bootclasspath ../lib/minijvm_rt.jar -cp ../libex/minijvm_test.jar;./ test/Foo1 999
     if (argc > 1) {
@@ -129,8 +128,7 @@ int main(int argc, char **argv) {
             if (strcmp(argv[i], "-bootclasspath") == 0) {
                 bootclasspath = argv[i + 1];
                 i++;
-            } else if (strcmp(argv[i], "-version") == 0 || strcmp(argv[i], "--version") == 0) {
-                print_version = 1;
+            } else if (strcmp(argv[i], "-version") == 0) {
                 classpath = NULL;
                 main_name = "org.mini.vm.PrintVersion";
                 i++;
diff --git a/minijvm/java/pom.xml b/minijvm/java/pom.xml
index 51473c80..ffbd45a2 100755
--- a/minijvm/java/pom.xml
+++ b/minijvm/java/pom.xml
@@ -8,7 +8,7 @@
     <groupId>io.github.digitalgust</groupId>
     <artifactId>minijvm_rt</artifactId>
     <name>${project.groupId}:${project.artifactId}</name>
-    <version>1.1.4</version>
+    <version>1.1.5</version>
     <description>miniJVM runtime library</description>
     <url>https://github.com/digitalgust/miniJVM</url>
 
diff --git a/minijvm/java/src/main/java/org/mini/fs/FileSystemImpl.java b/minijvm/java/src/main/java/org/mini/fs/FileSystemImpl.java
index 083ebd85..e9dba97b 100644
--- a/minijvm/java/src/main/java/org/mini/fs/FileSystemImpl.java
+++ b/minijvm/java/src/main/java/org/mini/fs/FileSystemImpl.java
@@ -56,9 +56,19 @@ public String normalize(String path) {
         while (path.indexOf(ds) >= 0) {
             path = path.replace(ds, ss);
         }
-        path = path.replace(getSeparator() + PARENT_DIR + getSeparator(), "\uffff\uffff\uffff");
-        path = path.replace(getSeparator() + CUR_DIR + getSeparator(), getSeparator() + "");  //remove all "./" to ""
-        path = path.replace("\uffff\uffff\uffff", getSeparator() + PARENT_DIR + getSeparator());
+
+        if (path.endsWith(getSeparator() + CUR_DIR)) { //  "/tmp/abc/."   ->  "/tmp/abc/./"
+            path = path + getSeparator();
+        }
+        // https://github.com/digitalgust/miniJVM/issues/31
+        //   "/tmp/abc/./"   ->  "/tmp/abc"
+        while (path.indexOf(getSeparator() + CUR_DIR + getSeparator()) >= 0) {
+            path = path.replace(getSeparator() + CUR_DIR + getSeparator(), getSeparator() + "");
+        }
+
+//        path = path.replace(getSeparator() + PARENT_DIR + getSeparator(), "\uffff\uffff\uffff");
+//        path = path.replace(getSeparator() + CUR_DIR + getSeparator(), getSeparator() + "");  //remove all "./" to ""
+//        path = path.replace("\uffff\uffff\uffff", getSeparator() + PARENT_DIR + getSeparator());
         if (path.length() > 1 && path.lastIndexOf(getSeparator()) == path.length() - 1) {//remove last char if it's '/'
             path = path.substring(0, path.length() - 1);
         }
@@ -70,15 +80,11 @@ protected String getFullPath(String path) {
         if (!isAbsolute(path)) {
             path = parent + getSeparator() + path;    //   replace   "/tmp/abc/../a.txt" to "/tmp/a.txt"
         }
-        path = removeParentTag(path);
+        // MUST remove current dir first   /./   ,like "/a/./../b"  -> "/a/../b"
         path = normalize(path);
-        if (path.endsWith(getSeparator() + CUR_DIR)) { //  "/tmp/abc/."   ->  "/tmp/abc/./"
-            path = path + getSeparator();
-        }
-        // https://github.com/digitalgust/miniJVM/issues/31
-        //   "/tmp/abc/./"   ->  "/tmp/abc"
-        path = path.replace(getSeparator() + CUR_DIR + getSeparator(), getSeparator() + "");
 
+        //remove parent tag /../
+        path = removeParentTag(path);
         return path;
     }