diff --git a/src/connector/jdbc/src/main/java/com/taosdata/jdbc/utils/TDNode.java b/src/connector/jdbc/src/main/java/com/taosdata/jdbc/utils/TDNode.java
index d4ea6a5934db538fccbd422ac613e6ed488b2ab6..4db4d8f7c1f23cbebbc4a9fcec7230904e15fd60 100644
--- a/src/connector/jdbc/src/main/java/com/taosdata/jdbc/utils/TDNode.java
+++ b/src/connector/jdbc/src/main/java/com/taosdata/jdbc/utils/TDNode.java
@@ -1,6 +1,7 @@
 package com.taosdata.jdbc.utils;
 
 import java.io.File;
+import java.util.*;
 import java.util.concurrent.TimeUnit;
 
 public class TDNode {
@@ -36,24 +37,51 @@ public class TDNode {
         this.testCluster = testCluster;
     }
 
-    public void start() {
-        String selfPath = System.getProperty("user.dir");
-        String binPath = "";
-        String projDir = selfPath + "../../../";
 
-        File dir = new File(projDir);
-                
+    public void searchTaosd(File dir, ArrayList<String> taosdPath) {        
         File[] fileList = dir.listFiles();
-        if(fileList == null || fileList.length == 0) {
-            System.out.println("The project path doens't exist");
-            return;
+        
+        if(fileList != null && fileList.length != 0) {
+            for(File file : fileList) {
+                if(file.isFile()) {
+                    if(file.getName().equals("taosd")) {                        
+                        taosdPath.add(file.getAbsolutePath());
+                    }
+                } else {
+                    searchTaosd(file, taosdPath);
+                } 
+            }
         }
+        
+        return;
+    }
 
-        for(File file : fileList) {
-            if(file.getName().equals("taosd") && !file.getAbsolutePath().contains("packing")) {
-                binPath = file.getAbsolutePath();
-                break;
+    public void start() {
+        String selfPath = System.getProperty("user.dir");
+        String binPath = "";
+        String projDir = selfPath + "../../../../";
+
+        try {
+            ArrayList<String> taosdPath = new ArrayList<>();
+            
+            File dir = new File(projDir);
+            String realProjDir = dir.getCanonicalPath();
+            dir = new File(realProjDir);
+            System.out.println("project Dir: " + projDir);
+            searchTaosd(dir, taosdPath);
+                        
+            if(taosdPath.size() == 0) {
+                System.out.println("The project path doens't exist");
+                return;
+            } else {
+                for(String p : taosdPath) {
+                    if(!p.contains("packing")) {
+                        binPath = p;
+                    }
+                }
             }
+        } catch (Exception e) {
+            e.printStackTrace();
         }
 
         if(binPath.equals("")) {
@@ -70,16 +98,16 @@ public class TDNode {
 
         String cmd = "";
         if(this.valgrind == 0) {
-            cmd = "nohup " + binPath + " -c "  + this.cfgDir + " > /dev/null 2>&1 & "; 
+            cmd = "nohup " + binPath + " > /dev/null 2>&1 & "; 
+            System.out.println("start taosd cmd: " + cmd);
         } else {
             String valgrindCmdline = "valgrind --tool=memcheck --leak-check=full --show-reachable=no --track-origins=yes --show-leak-kinds=all -v --workaround-gcc296-bugs=yes";
             cmd = "nohup " + valgrindCmdline + " " + binPath + " -c "  + this.cfgDir + " 2>&1 & ";                                
         }
 
         try{
-            if(Runtime.getRuntime().exec(cmd).waitFor() != 0) {
-                return;
-            }
+            Runtime.getRuntime().exec(cmd);  
+            TimeUnit.SECONDS.sleep(5);
         } catch (Exception e) {
             e.printStackTrace();
         }
diff --git a/src/connector/jdbc/src/main/java/com/taosdata/jdbc/utils/TDNodes.java b/src/connector/jdbc/src/main/java/com/taosdata/jdbc/utils/TDNodes.java
index f6dd42be5863bda871a0ad017eec51125ed24751..bce985bcc02e0410a9e241ab78e154ea1ba2bac0 100644
--- a/src/connector/jdbc/src/main/java/com/taosdata/jdbc/utils/TDNodes.java
+++ b/src/connector/jdbc/src/main/java/com/taosdata/jdbc/utils/TDNodes.java
@@ -42,7 +42,7 @@ public class TDNodes {
             binPath = file.getCanonicalPath();
             System.out.println("binPath real path: " + binPath);
 
-            if (path.isEmpty()) {
+            if (!path.isEmpty()) {
                 file = new File(path + "/../../");                
                 path = file.getCanonicalPath();
             }
@@ -79,7 +79,7 @@ public class TDNodes {
         TDSimClient sim = new TDSimClient();
         
         sim.setPath(path);
-        System.out.println("====== " + path + "=====");
+        System.out.println("======path: " + path + "=====");
         sim.setTestCluster(this.testCluster);        
         if(this.simDeployed == false ) {
             sim.deploy();
@@ -88,7 +88,8 @@ public class TDNodes {
 
         check(index);        
         tdNodes.get(index - 1).setTestCluster(this.testCluster);
-        tdNodes.get(index - 1).setValgrind(valgrind);        
+        tdNodes.get(index - 1).setValgrind(valgrind); 
+        tdNodes.get(index - 1).setPath(System.getProperty("user.dir")); 
         tdNodes.get(index - 1).deploy();
     }
     
diff --git a/src/connector/jdbc/src/main/java/com/taosdata/jdbc/utils/TDSimClient.java b/src/connector/jdbc/src/main/java/com/taosdata/jdbc/utils/TDSimClient.java
index 1f3e8130106bb806d51ce703459638ea74fc2dbb..fec824f7dd2db2bd40f08e25b553bf00cfc4fc33 100644
--- a/src/connector/jdbc/src/main/java/com/taosdata/jdbc/utils/TDSimClient.java
+++ b/src/connector/jdbc/src/main/java/com/taosdata/jdbc/utils/TDSimClient.java
@@ -1,7 +1,5 @@
 package com.taosdata.jdbc.utils;
 
-import java.io.BufferedReader;
-import java.io.InputStreamReader;
 
 public class TDSimClient {
     
@@ -25,16 +23,11 @@ public class TDSimClient {
 
     public void setCfgConfig(String option, String value) {
         String cmd = "echo " + option + " " +  value + " >> " + this.cfgPath;
+        System.out.println("set cfg cmd " + cmd);
         
         try {
-            Process ps = Runtime.getRuntime().exec(cmd);            
-
-            BufferedReader br = new BufferedReader(new InputStreamReader(ps.getInputStream()));
-            while(br.readLine() != null) {
-                System.out.println(br.readLine());
-            }  
-            
-            ps.waitFor();
+            Process ps = Runtime.getRuntime().exec(cmd);                            
+            System.out.println("cfg command result: " + ps.waitFor());
         } catch (Exception e) {
             e.printStackTrace();
         }
@@ -50,19 +43,26 @@ public class TDSimClient {
 
         try {
             String cmd = "rm -rf " + this.logDir;
-            Runtime.getRuntime().exec(cmd).waitFor();
+            System.out.println("cmd: = " + cmd);
+            Process ps = Runtime.getRuntime().exec(cmd);
+            System.out.println("return value " + ps.waitFor());
+            System.out.println(Runtime.getRuntime().exec(cmd).waitFor());
+            
             
             cmd = "rm -rf " + this.cfgDir;
             Runtime.getRuntime().exec(cmd).waitFor();
+            System.out.println(cmd + " result: " +Runtime.getRuntime().exec(cmd).waitFor());
 
             cmd = "mkdir -p " + this.logDir;
             Runtime.getRuntime().exec(cmd).waitFor();
+            System.out.println(cmd + " result: " +Runtime.getRuntime().exec(cmd).waitFor());
 
             cmd = "mkdir -p " + this.cfgDir;
-            Runtime.getRuntime().exec(cmd).waitFor();
+            System.out.println(cmd + " result: " +Runtime.getRuntime().exec(cmd).waitFor());
 
             cmd = "touch " + this.cfgPath;
-            Runtime.getRuntime().exec(cmd).waitFor();
+            System.out.println(cmd + " result: " +Runtime.getRuntime().exec(cmd).waitFor());
+
         } catch (Exception e) {
             e.printStackTrace();
         }
diff --git a/src/connector/jdbc/src/test/java/com/taosdata/jdbc/BaseTest.java b/src/connector/jdbc/src/test/java/com/taosdata/jdbc/BaseTest.java
index a547127d7e6d9a86876458bdae6497fbf56a508a..17ea54dd75e48d661209be176a88aa2ee7c6741e 100644
--- a/src/connector/jdbc/src/test/java/com/taosdata/jdbc/BaseTest.java
+++ b/src/connector/jdbc/src/test/java/com/taosdata/jdbc/BaseTest.java
@@ -6,6 +6,7 @@ import java.io.InputStreamReader;
 
 import com.taosdata.jdbc.utils.TDNodes;
 
+import org.junit.AfterClass;
 import org.junit.BeforeClass;
 
 public class BaseTest {
@@ -17,17 +18,6 @@ public class BaseTest {
     @BeforeClass
     public static void setupEnv() {
         try{
-            // String path = System.getProperty("user.dir");
-            // String bashPath = path + "/buildTDengine.sh";
-
-            // Process ps = Runtime.getRuntime().exec(bashPath);
-            // ps.waitFor();
-
-            // BufferedReader br = new BufferedReader(new InputStreamReader(ps.getInputStream()));
-            // while(br.readLine() != null) {
-            //     System.out.println(br.readLine());
-            // }
-            
             File file = new File(deployPath + "/../../../");
             String rootPath = file.getCanonicalPath();
 
@@ -38,8 +28,14 @@ public class BaseTest {
 
             tdNodes.deploy(1);
             tdNodes.start(1);  
+
         } catch (Exception e) {
             e.printStackTrace();
         }
     }
+
+    @AfterClass
+    public static void clearUpEnv() {
+        
+    }
 }
\ No newline at end of file