diff --git a/src/main/java/com/sunyard/sge/database/SydApi4Database.java b/src/main/java/com/sunyard/sge/database/SydApi4Database.java
index a1b402f..492e357 100644
--- a/src/main/java/com/sunyard/sge/database/SydApi4Database.java
+++ b/src/main/java/com/sunyard/sge/database/SydApi4Database.java
@@ -5,6 +5,7 @@ import com.sunyard.proto.Util;
 import com.sunyard.sge.log.LogFactory;
 import com.sunyard.util.SYMUtil;
 import org.apache.logging.log4j.Logger;
+import org.codehaus.groovy.util.LockableObject;
 import racal.sunyard.main.SydApi4j;
 
 import java.util.Arrays;
@@ -18,16 +19,18 @@ public class SydApi4Database implements SydApi {
     static {
         SydApi.SYD_SetLogConfig("./logs/", 0);
     }
+    private  SydApi4j[] hsms = null;
 
-    private SydApi4j[] hsms = null;
     private boolean isShortLinkMode = false;
 
     public SydApi4Database() {
         isShortLinkMode = true;
     }
 
-    public SydApi4Database(SydApi4j[] hsms) {
+    public  SydApi4Database(SydApi4j[] hsms) {
+        synchronized (this){
         this.hsms = hsms;
+        }
     }
 
     public SydApi4j[] getHsms() {
@@ -44,7 +47,6 @@ public class SydApi4Database implements SydApi {
         if (pcIpList.length != iPortList.length) {
             throw new IllegalArgumentException("ip与端口数量不一致");
         }
-
         SydApi4j[] apis = new SydApi4j[pcIpList.length];
         int iDealTimeOut = allDealTimeOut / pcIpList.length;
         boolean connected = false;
@@ -73,21 +75,31 @@ public class SydApi4Database implements SydApi {
 
     @Override
     public void SYD_Disconnect_Ex() {
+
         if (isShortLinkMode) {
             if (null == hsms) {
                 return;
             }
+            LockableObject lockableObject = new LockableObject();
+            try {
+                lockableObject.lock();
+                for (int i = 0; i < hsms.length; i++) {
+                    SydApi4j api = hsms[i];
+                    if (null != api) {
+                        try {
+                            api.disconnect();
+                        } catch (Exception e) {
 
-            for (int i = 0; i < hsms.length; i++) {
-                SydApi4j api = hsms[i];
-                if (null != api) {
-                    try {
-                        api.disconnect();
-                    } catch (Exception e) {
-
+                        }
                     }
                 }
             }
+            catch (Exception e){
+
+            }
+            finally {
+                lockableObject.unlock();
+            }
         }
         // 配合链接池，不再需要释放。
 
@@ -105,25 +117,37 @@ public class SydApi4Database implements SydApi {
         }
 
         SydApiException le = null;
-        for (SydApi4j api : this.hsms) {
+        //加锁
+        LockableObject lockableObject = new LockableObject();
+        lockableObject.lock();
+        try {
+            for (SydApi4j api : this.hsms) {
 
-            if (null == api) {
-                continue;
-            }
-
-            try {
-                byte[] hash = api.SYD_SM3_LongData(pcData, null, 0);
-                log.debug("api.SYD_SM3_LongData方法返回值：{}", Arrays.toString(hash));
-                return Util.bytes2HexString(hash);
-            } catch (SydApiException e) {
-                le = e;
-                if (e.getRetCode() < 0) {
-                    log.error("HA 重试");
+                if (null == api) {
                     continue;
                 }
-                throw e;
+
+                try {
+                    byte[] hash = api.SYD_SM3_LongData(pcData, null, 0);
+                    log.debug("api.SYD_SM3_LongData方法返回值：{}", Arrays.toString(hash));
+                    return Util.bytes2HexString(hash);
+                } catch (SydApiException e) {
+                    le = e;
+                    if (e.getRetCode() < 0) {
+                        log.error("HA 重试");
+                        continue;
+                    }
+                    throw e;
+                }
             }
         }
+        catch (Exception e){
+
+        }
+        finally {
+            lockableObject.unlock();
+        }
+
         throw le;
     }
 
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 9787a9a..8c05e9e 100644
--- a/src/main/java/com/sunyard/sge/database/pool/SydApiPool.java
+++ b/src/main/java/com/sunyard/sge/database/pool/SydApiPool.java
@@ -58,28 +58,38 @@ public class SydApiPool extends ThreadBasedConnectPool<SydApi> {
     }
 
     // 保活接口
-    protected boolean check(SydApi4Database o) {
-//        if (null == o) {
-//            return false;
-//        }
+    public boolean check(SydApi s) {
+        SydApi4Database o=(SydApi4Database)s;
         Lock l = new ReentrantLock();
-        l.lock();
-        SydApi4j[] hsms = o.getHsms();
-        l.unlock();
+        try {
+            l.lock();
+            SydApi4j[] hsms = o.getHsms();
         boolean ifBoolean = false;
         int length = hsms.length;
         for (int i = 0; i < length; i++) {
             if (null != hsms[i]) {
                 try {
+                    l.lock();
                     o.SYD_SM3_Hash_ShortData(new byte[8]);
                     ifBoolean = true;
                 } catch (Exception e) {
                     // 忽略
                     hsms[i] = null;
                 }
+                finally {
+                    l.unlock();
+                }
             }
         }
-        return ifBoolean;
+            return ifBoolean;
+
+        }
+        catch (Exception e){
+            return false;
+        }
+        finally {
+            l.unlock();
+        }
     }
     // 释放
     protected void free(SydApi o) {