diff --git a/com.creditease.uav.helper/src/main/java/com/creditease/agent/helpers/JVMToolHelper.java b/com.creditease.uav.helper/src/main/java/com/creditease/agent/helpers/JVMToolHelper.java
index c590326f..5dfa3cee 100644
--- a/com.creditease.uav.helper/src/main/java/com/creditease/agent/helpers/JVMToolHelper.java
+++ b/com.creditease.uav.helper/src/main/java/com/creditease/agent/helpers/JVMToolHelper.java
@@ -289,6 +289,10 @@ private static void initJVMToolJarClassLoader() {
         String javaVersion = System.getProperty("java.version");
 
         String tools = javaHome + File.separator + ".." + File.separator + "lib" + File.separator + "tools.jar";
+        
+        if(!IOHelper.exists(tools)) {
+            tools = javaHome + File.separator + "lib" + File.separator + "tools.jar";
+        }
 
         if (JVMToolClassloader == null) {
             synchronized (lock) {
@@ -320,6 +324,7 @@ private static void initJVMToolJarClassLoader() {
                     }
                     catch (Exception e) {
                         // ignore
+                        e.printStackTrace();
                     }
                 }
             }
@@ -395,6 +400,7 @@ public static List<Map<String, String>> getAllJVMProcesses(String host) {
             }
             catch (Exception e) {
                 // ignore
+                e.printStackTrace();
             }
         }