diff --git a/jndc_client/pom.xml b/jndc_client/pom.xml
index bb0db52..199c256 100644
--- a/jndc_client/pom.xml
+++ b/jndc_client/pom.xml
@@ -25,6 +25,11 @@
             <artifactId>jfoenix</artifactId>
             <version>8.0.10</version>
         </dependency>
+
+        <dependency>
+            <groupId>commons-io</groupId>
+            <artifactId>commons-io</artifactId>
+        </dependency>
     </dependencies>
 
     <build>
diff --git a/jndc_client/src/main/java/jndc_client/start/ClientStart.java b/jndc_client/src/main/java/jndc_client/start/ClientStart.java
index 6ffdc69..1e8595c 100644
--- a/jndc_client/src/main/java/jndc_client/start/ClientStart.java
+++ b/jndc_client/src/main/java/jndc_client/start/ClientStart.java
@@ -6,6 +6,7 @@
 import jndc_client.core.JNDCClient;
 import jndc_client.core.JNDCClientConfig;
 import jndc_client.http_support.ClientHttpManagement;
+import org.apache.commons.io.FileUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -58,12 +59,18 @@ public static void main(String[] args) {
         JNDCClientConfig jndcClientConfig = null;
         try {
             jndcClientConfig = ymlParser.parseFile(file, JNDCClientConfig.class);
+            if (jndcClientConfig == null) {
+                String configContent = FileUtils.readFileToString(file, "utf-8");
+                logger.error("please check the content:\n=====content_start=====\n" + configContent + "\n=====content_end=====\n on config.yml" + file);
+                ApplicationExit.exit();
+            }
             jndcClientConfig.performParameterVerification();
             jndcClientConfig.setRuntimeDir(file.getParent());
             jndcClientConfig.loadClientId();
             logger.info(tag + CLIENT_ID);
             logger.info("client time out--->" + jndcClientConfig.getAutoReleaseTimeOut());
         } catch (Exception e) {
+            e.printStackTrace();
             logger.error("parse config file:" + file + "fail" + e);
             ApplicationExit.exit();
         }
diff --git a/jndc_server/pom.xml b/jndc_server/pom.xml
index e0c1a54..c77f761 100644
--- a/jndc_server/pom.xml
+++ b/jndc_server/pom.xml
@@ -27,7 +27,6 @@
         <dependency>
             <groupId>commons-io</groupId>
             <artifactId>commons-io</artifactId>
-            <version>2.8.0</version>
         </dependency>
     </dependencies>
 
diff --git a/jndc_server/src/main/java/jndc_server/start/ServerStart.java b/jndc_server/src/main/java/jndc_server/start/ServerStart.java
index 3dee275..b91dccf 100644
--- a/jndc_server/src/main/java/jndc_server/start/ServerStart.java
+++ b/jndc_server/src/main/java/jndc_server/start/ServerStart.java
@@ -5,6 +5,7 @@
 import jndc.utils.YmlParser;
 import jndc_server.core.JNDCServer;
 import jndc_server.core.JNDCServerConfig;
+import org.apache.commons.io.FileUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -61,6 +62,11 @@ public static void main(String[] args) {
         JNDCServerConfig jndcServerConfig = null;
         try {
             jndcServerConfig = ymlParser.parseFile(file, JNDCServerConfig.class);
+            if (jndcServerConfig == null) {
+                String configContent = FileUtils.readFileToString(file, "utf-8");
+                logger.error("please check the content:\n=====content_start=====\n" + configContent + "\n=====content_end=====\n on config.yml" + file);
+                ApplicationExit.exit();
+            }
             jndcServerConfig.setRuntimeDir(file.getParent());
             jndcServerConfig.performParameterVerification();
             jndcServerConfig.lazyInitAfterVerification();
diff --git a/pom.xml b/pom.xml
index 49803f8..5a24397 100644
--- a/pom.xml
+++ b/pom.xml
@@ -22,6 +22,16 @@
         <maven.compiler.target>8</maven.compiler.target>
     </properties>
 
+    <dependencyManagement>
+        <dependencies>
+            <dependency>
+                <groupId>commons-io</groupId>
+                <artifactId>commons-io</artifactId>
+                <version>2.8.0</version>
+            </dependency>
+        </dependencies>
+    </dependencyManagement>
+
     <dependencies>
 
 
@@ -44,6 +54,8 @@
             <version>1.18.16</version>
             <scope>provided</scope>
         </dependency>
+
+
     </dependencies>
 
     <build>