diff --git a/src/main/java/com/sunyard/sge/database/SydApi4Database.java b/src/main/java/com/sunyard/sge/database/SydApi4Database.java
index 35f541c..a1b402f 100644
--- a/src/main/java/com/sunyard/sge/database/SydApi4Database.java
+++ b/src/main/java/com/sunyard/sge/database/SydApi4Database.java
@@ -30,6 +30,10 @@ public class SydApi4Database implements SydApi {
         this.hsms = hsms;
     }
 
+    public SydApi4j[] getHsms() {
+        return hsms;
+    }
+
     @Override
     public SydApi SYD_Short_Connect_Ex(String[] pcIpList, int[] iPortList, int iConnectTimeOut, int allDealTimeOut) {
         Logger log = LogFactory.getLogger();
diff --git a/src/main/java/com/sunyard/sge/database/pool/SydApiPool.java b/src/main/java/com/sunyard/sge/database/pool/SydApiPool.java
index 92c7504..07ccd0a 100644
--- a/src/main/java/com/sunyard/sge/database/pool/SydApiPool.java
+++ b/src/main/java/com/sunyard/sge/database/pool/SydApiPool.java
@@ -55,19 +55,24 @@ public class SydApiPool extends ThreadBasedConnectPool<SydApi> {
     }
 
     // 保活接口
-    protected boolean check(SydApi o) {
-        if ( null == o ) {
+    protected boolean check(SydApi4Database o) {
+        if (null==o) {
             return false;
         }
-        try {
+        SydApi4j[] hsms = o.getHsms();
+        for (SydApi4j hsm : hsms) {
+            if ( null != hsm ) {
+                try {
+                    o.SYD_SM3_Hash_ShortData( new byte[8] );
+                    return true;
 
-            o.SYD_SM3_Hash_ShortData( new byte[8] );
-            return true;
-
-        }catch ( Exception e) {
-            // 忽略
-            return false;
+                }catch ( Exception e) {
+                    // 忽略
+                    return false;
+                }
+            }
         }
+        return false;
     }
 
     // 释放