diff --git a/src/org/sword/wechat4j/common/Config.java b/src/org/sword/wechat4j/common/Config.java
index d3c80fe..d83ffb0 100644
--- a/src/org/sword/wechat4j/common/Config.java
+++ b/src/org/sword/wechat4j/common/Config.java
@@ -1,107 +1,110 @@
 /**
- * 
+ *
  */
 package org.sword.wechat4j.common;
 
+import org.apache.commons.lang3.StringUtils;
+import org.apache.log4j.Logger;
+
 import java.io.IOException;
 import java.io.InputStream;
 import java.util.Properties;
 
-import org.apache.commons.lang3.StringUtils;
-import org.apache.log4j.Logger;
-
 /**
  * @author ChengNing
- * @date   2014年12月8日
+ * @date 2014年12月8日
  */
 public class Config {
-	
-	private static Logger logger = Logger.getLogger(Config.class);
-	
-	private static final String configFile = "/wechat4j.properties";
-	
-	private String url;
-	private String token;
-	private String encodingAESKey;
-	private String appid;
-	private String appSecret;
-	private String mchId;
-	private String mchKey;
-	private String accessTokenServer;
-	private String jsApiTicketServer;
-	private static Config config = new Config();
-	
-	private Config(){
-		Properties p = new Properties();
-		InputStream inStream = this.getClass().getResourceAsStream(configFile);
-		if(inStream == null){
-			logger.error("根目录下找不到wechat4j.properties文件");
-			return;
-		}
-		try {
-			p.load(inStream);
-			this.url = p.getProperty("wechat.url");
-            if(StringUtils.isNotBlank(url))this.url = this.url.trim();
-			this.encodingAESKey = p.getProperty("wechat.encodingaeskey");
-            if(StringUtils.isNotBlank(encodingAESKey))this.encodingAESKey = this.encodingAESKey.trim();
-			this.token = p.getProperty("wechat.token");
-            if(StringUtils.isNotBlank(token))this.token = this.token.trim();
-			this.appid = p.getProperty("wechat.appid");
-            if(StringUtils.isNotBlank(appid))this.appid = this.appid.trim();
-			this.appSecret = p.getProperty("wechat.appsecret");
-            if(StringUtils.isNotBlank(appSecret))this.appSecret = this.appSecret.trim();
-			this.mchId = p.getProperty("wechat.mch.id");
-            if(StringUtils.isNotBlank(mchId))this.mchId = this.mchId.trim();
-			this.mchKey = p.getProperty("wechat.mch.key");
-            if(StringUtils.isNotBlank(mchKey))this.mchKey = this.mchKey.trim();
-			this.accessTokenServer = p.getProperty("wechat.accessToken.server.class");
-            if(StringUtils.isNotBlank(accessTokenServer))this.accessTokenServer = this.accessTokenServer.trim();
-			this.jsApiTicketServer = p.getProperty("wechat.ticket.jsapi.server.class");
-            if(StringUtils.isNotBlank(jsApiTicketServer))this.jsApiTicketServer = this.jsApiTicketServer.trim();
-			inStream.close();
-		} catch (IOException e) {
-			logger.error("load wechat4j.properties error,class根目录下找不到wechat4j.properties文件");
-			e.printStackTrace();
-		}
-		logger.info("load wechat4j.properties success");
-	}
-	
-	public static Config instance(){
-		return config;
-	}
-	public String getToken() {
-		return token;
-	}
-	public String getAppid() {
-		return appid;
-	}
-	public String getAppSecret() {
-		return appSecret;
-	}
-
-	public String getMchId() {
-		return mchId;
-	}
-
-	public String getMchKey() {
-		return mchKey;
-	}
-
-	public String getUrl() {
-		return url;
-	}
-
-	public String getEncodingAESKey() {
-		return encodingAESKey;
-	}
-	
-	public String getAccessTokenServer(){
-		return accessTokenServer;
-	}
-
-	public String getJsApiTicketServer() {
-		return jsApiTicketServer;
-	}
-	
-	
+
+    private static Logger logger = Logger.getLogger(Config.class);
+
+    private static final String configFile = "/wechat4j.properties";
+
+    private String url;
+    private String token;
+    private String encodingAESKey;
+    private String appid;
+    private String appSecret;
+    private String mchId;
+    private String mchKey;
+    private String accessTokenServer;
+    private String jsApiTicketServer;
+    private static Config config = new Config();
+
+    private Config() {
+        Properties p = new Properties();
+        InputStream inStream = this.getClass().getResourceAsStream(configFile);
+        if (inStream == null) {
+            logger.error("根目录下找不到wechat4j.properties文件");
+            return;
+        }
+        try {
+            p.load(inStream);
+            this.url = p.getProperty("wechat.url");
+            if (StringUtils.isNotBlank(url)) this.url = this.url.trim();
+            this.encodingAESKey = p.getProperty("wechat.encodingaeskey");
+            if (StringUtils.isNotBlank(encodingAESKey)) this.encodingAESKey = this.encodingAESKey.trim();
+            this.token = p.getProperty("wechat.token");
+            if (StringUtils.isNotBlank(token)) this.token = this.token.trim();
+            this.appid = p.getProperty("wechat.appid");
+            if (StringUtils.isNotBlank(appid)) this.appid = this.appid.trim();
+            this.appSecret = p.getProperty("wechat.appsecret");
+            if (StringUtils.isNotBlank(appSecret)) this.appSecret = this.appSecret.trim();
+            this.mchId = p.getProperty("wechat.mch.id");
+            if (StringUtils.isNotBlank(mchId)) this.mchId = this.mchId.trim();
+            this.mchKey = p.getProperty("wechat.mch.key");
+            if (StringUtils.isNotBlank(mchKey)) this.mchKey = this.mchKey.trim();
+            this.accessTokenServer = p.getProperty("wechat.accessToken.server.class");
+            if (StringUtils.isNotBlank(accessTokenServer)) this.accessTokenServer = this.accessTokenServer.trim();
+            this.jsApiTicketServer = p.getProperty("wechat.ticket.jsapi.server.class");
+            if (StringUtils.isNotBlank(jsApiTicketServer)) this.jsApiTicketServer = this.jsApiTicketServer.trim();
+            inStream.close();
+            logger.info("load wechat4j.properties success");
+        } catch (IOException e) {
+            logger.error("load wechat4j.properties error,class根目录下找不到wechat4j.properties文件");
+            e.printStackTrace();
+        }
+    }
+
+    public static Config instance() {
+        return config;
+    }
+
+    public String getToken() {
+        return token;
+    }
+
+    public String getAppid() {
+        return appid;
+    }
+
+    public String getAppSecret() {
+        return appSecret;
+    }
+
+    public String getMchId() {
+        return mchId;
+    }
+
+    public String getMchKey() {
+        return mchKey;
+    }
+
+    public String getUrl() {
+        return url;
+    }
+
+    public String getEncodingAESKey() {
+        return encodingAESKey;
+    }
+
+    public String getAccessTokenServer() {
+        return accessTokenServer;
+    }
+
+    public String getJsApiTicketServer() {
+        return jsApiTicketServer;
+    }
+
+
 }