diff --git a/src/main/java/com/sunyard/sge/database/SydApi.java b/src/main/java/com/sunyard/sge/database/SydApi.java
index 7233398..017f5c0 100644
--- a/src/main/java/com/sunyard/sge/database/SydApi.java
+++ b/src/main/java/com/sunyard/sge/database/SydApi.java
@@ -43,8 +43,7 @@ public interface SydApi {
      * @param iDealTimeOut    交易接口超时设定，单位毫秒(不超过10ms)。
      * @return SydApi 的对象，只要有设备可用则返回。
      */
-    @Deprecated
-    SydApi SYD_Connect_Ex(
+    SydApi SYD_Short_Connect_Ex(
             String[] pcIpList,
             int[] iPortList,
             int iConnectTimeOut,
diff --git a/src/main/java/com/sunyard/sge/database/SydApi4Database.java b/src/main/java/com/sunyard/sge/database/SydApi4Database.java
index e4abe4c..3072bcf 100644
--- a/src/main/java/com/sunyard/sge/database/SydApi4Database.java
+++ b/src/main/java/com/sunyard/sge/database/SydApi4Database.java
@@ -28,12 +28,23 @@ public class SydApi4Database implements SydApi {
     }
 
     @Override
-    public SydApi SYD_Connect_Ex(String[] pcIpList, int[] iPortList, int iConnectTimeOut, int iDealTimeOut) {
+    public SydApi SYD_Short_Connect_Ex(String[] pcIpList, int[] iPortList, int iConnectTimeOut, int iDealTimeOut) {
         if (LogFactory.iLogLevel==3) {
             log.debug("SYD_Connect_Ex方法接收参数:pcIpList:{},iPortList:{},iConnectTimeOut:{},iDealTimeOut:{}", Arrays.toString(pcIpList), Arrays.toString(iPortList), iConnectTimeOut, iDealTimeOut);
         }
-        SydApi4j api = (SydApi4j) new SydApi4j().connect(pcIpList[0], iPortList[0], null, iConnectTimeOut);
+        if (iPortList==null||iPortList.length==0){
+            throw new SydApiException("没有ip地址",-1);
+        }
+        if (iPortList.length!=iPortList.length) {
+            throw new SydApiException("ip与端口号数量不一致",-1);
+        }
+        SydApi4j api = null;
+        for (int i = 0; i < pcIpList.length ; i++) {
+            api = (SydApi4j) new SydApi4j().connect(pcIpList[i], iPortList[i], null, iConnectTimeOut);
+        }
+
         hsms = new SydApi4j[]{api};
+        isShortLinkMode = true;
         return this;
     }
 
@@ -43,14 +54,18 @@ public class SydApi4Database implements SydApi {
             if ( null == hsms ){
                 return;
             }
-
-            SydApi4j api = hsms[0];
-            if (null != api) {
-                try {
-                    api.disconnect();
-                } catch (Exception e) {
+            SydApi4j api = null;
+            for (int i = 0; i < hsms.length; i++) {
+                  api = hsms[i];
+                if (null != api) {
+                    try {
+                        api.disconnect();
+                    } catch (Exception e) {
+                        continue;
+                    }
                 }
             }
+
             api = null;
         }
         // 配合链接池，不再需要释放。
@@ -124,7 +139,7 @@ public class SydApi4Database implements SydApi {
         if (LogFactory.iLogLevel==3) {
             log.debug("SYD_SM4_ShortData方法接收参数：iKeyIndex：{},pcData：{},iFlag：{}", iKeyIndex, Arrays.toString(pcData), iFlag);
         }
-        if (iFlag==Consts.ECB_DEC&&null==pcData||pcData.length==0){
+        if (iFlag==Consts.ECB_DEC && null==pcData||pcData.length==0){
             throw new SydApiException(19);
         }
         if (null == this.hsms || this.hsms.length < 1) {