diff --git a/src/main/java/com/sunyard/sge/database/SydApi4Database.java b/src/main/java/com/sunyard/sge/database/SydApi4Database.java
index b6a0ded..21b39fe 100644
--- a/src/main/java/com/sunyard/sge/database/SydApi4Database.java
+++ b/src/main/java/com/sunyard/sge/database/SydApi4Database.java
@@ -105,6 +105,7 @@ public class SydApi4Database implements SydApi {
         if (isShortLinkMode) {
             SYD_Disconnect();
         }
+
         // 配合链接池，不再需要释放。
     }
 
@@ -177,37 +178,48 @@ public class SydApi4Database implements SydApi {
 
         }
         SydApiException le = null;
-        LockableObject lockableObject = new LockableObject();
-        lockableObject.lock();
-        try {
         for (SydApi4j api : this.hsms) {
             if (null == api) {
                 continue;
             }
-            try {
-                byte[] hash = api.SYD_SM3_LongData(pcData, procData, iPkgNum);
-                log.debug("api.SYD_SM3_LongData方法返回值：{}", Arrays.toString(hash));
-                if (0 == iPkgNum || 3 == iPkgNum) {
-                    return new LongDataReturn<String, String>(null, Util.bytes2HexString(hash));
-                } else {
-                    return new LongDataReturn<String, String>(Util.bytes2HexString(hash), null);
+            if (isShortLinkMode) {
+                try {
+                    byte[] hash = api.SYD_SM3_LongData(pcData, procData, iPkgNum);
+                    log.debug("api.SYD_SM3_LongData方法返回值：{}", Arrays.toString(hash));
+                    if (0 == iPkgNum || 3 == iPkgNum) {
+                        return new LongDataReturn<String, String>(null, Util.bytes2HexString(hash));
+                    } else {
+                        return new LongDataReturn<String, String>(Util.bytes2HexString(hash), null);
+                    }
+                } catch (SydApiException e) {
+                    le = e;
+                    if (e.getRetCode() < 0) {
+                        log.error("HA 重试");
+                        continue;
+                    }
+                    throw e;
                 }
-            } catch (SydApiException e) {
-                le = e;
-                if (e.getRetCode() < 0) {
-                    log.error("HA 重试");
-                    continue;
+            } else {
+                synchronized (api) {
+                    try {
+                        byte[] hash = api.SYD_SM3_LongData(pcData, procData, iPkgNum);
+                        log.debug("api.SYD_SM3_LongData方法返回值：{}", Arrays.toString(hash));
+                        if (0 == iPkgNum || 3 == iPkgNum) {
+                            return new LongDataReturn<String, String>(null, Util.bytes2HexString(hash));
+                        } else {
+                            return new LongDataReturn<String, String>(Util.bytes2HexString(hash), null);
+                        }
+                    } catch (SydApiException e) {
+                        le = e;
+                        if (e.getRetCode() < 0) {
+                            log.error("HA 重试");
+                            continue;
+                        }
+                        throw e;
+                    }
                 }
-                throw e;
             }
         }
-        }
-        catch (Exception e){
-
-        }
-        finally {
-            lockableObject.unlock();
-        }
         throw le;
     }
 
@@ -230,27 +242,54 @@ public class SydApi4Database implements SydApi {
             if (null == api) {
                 continue;
             }
-            try {
-                if (Consts.ECB_ENC == iFlag) {
-                    return api.SYMEncryptData(
-                            com.sunyard.SydApi.NALG_SM4,
-                            "SK" + SYMUtil.genPrivateKeyMark("000000", "00A", keyIndex),
-                            1,
-                            pcData);
-                } else {
-                    return api.SYMDecryptData(
-                            com.sunyard.SydApi.NALG_SM4,
-                            "SK" + SYMUtil.genPrivateKeyMark("000000", "00A", keyIndex),
-                            1,
-                            pcData);
+            if (isShortLinkMode) {
+                try {
+                    if (Consts.ECB_ENC == iFlag) {
+                        return api.SYMEncryptData(
+                                com.sunyard.SydApi.NALG_SM4,
+                                "SK" + SYMUtil.genPrivateKeyMark("000000", "00A", keyIndex),
+                                1,
+                                pcData);
+                    } else {
+                        return api.SYMDecryptData(
+                                com.sunyard.SydApi.NALG_SM4,
+                                "SK" + SYMUtil.genPrivateKeyMark("000000", "00A", keyIndex),
+                                1,
+                                pcData);
+                    }
+                } catch (SydApiException e) {
+                    le = e;
+                    if (e.getRetCode() < 0) {
+                        log.error("HA 重试");
+                        continue;
+                    }
+                    throw e;
                 }
-            } catch (SydApiException e) {
-                le = e;
-                if (e.getRetCode() < 0) {
-                    log.error("HA 重试");
-                    continue;
+            } else {
+                synchronized (api) {
+                    try {
+                        if (Consts.ECB_ENC == iFlag) {
+                            return api.SYMEncryptData(
+                                    com.sunyard.SydApi.NALG_SM4,
+                                    "SK" + SYMUtil.genPrivateKeyMark("000000", "00A", keyIndex),
+                                    1,
+                                    pcData);
+                        } else {
+                            return api.SYMDecryptData(
+                                    com.sunyard.SydApi.NALG_SM4,
+                                    "SK" + SYMUtil.genPrivateKeyMark("000000", "00A", keyIndex),
+                                    1,
+                                    pcData);
+                        }
+                    } catch (SydApiException e) {
+                        le = e;
+                        if (e.getRetCode() < 0) {
+                            log.error("HA 重试");
+                            continue;
+                        }
+                        throw e;
+                    }
                 }
-                throw e;
             }
         }
         throw le;
@@ -283,20 +322,40 @@ public class SydApi4Database implements SydApi {
             if (null == api) {
                 continue;
             }
-            try {
-                if (Consts.ECB_ENC == iFlag) {
-                    return api.SYMEncryptDecryptBatchData(8, 1, null, keys, 1, pcData);
+            if (isShortLinkMode) {
+                try {
+                    if (Consts.ECB_ENC == iFlag) {
+                        return api.SYMEncryptDecryptBatchData(8, 1, null, keys, 1, pcData);
 
-                } else {
-                    return api.SYMEncryptDecryptBatchData(9, 1, null, keys, 1, pcData);
+                    } else {
+                        return api.SYMEncryptDecryptBatchData(9, 1, null, keys, 1, pcData);
+                    }
+                } catch (SydApiException e) {
+                    le = e;
+                    if (e.getRetCode() < 0) {
+                        log.error("HA 重试");
+                        continue;
+                    }
+                    throw e;
                 }
-            } catch (SydApiException e) {
-                le = e;
-                if (e.getRetCode() < 0) {
-                    log.error("HA 重试");
-                    continue;
+            } else {
+                synchronized (api) {
+                    try {
+                        if (Consts.ECB_ENC == iFlag) {
+                            return api.SYMEncryptDecryptBatchData(8, 1, null, keys, 1, pcData);
+
+                        } else {
+                            return api.SYMEncryptDecryptBatchData(9, 1, null, keys, 1, pcData);
+                        }
+                    } catch (SydApiException e) {
+                        le = e;
+                        if (e.getRetCode() < 0) {
+                            log.error("HA 重试");
+                            continue;
+                        }
+                        throw e;
+                    }
                 }
-                throw e;
             }
         }
         throw le;
@@ -321,30 +380,60 @@ public class SydApi4Database implements SydApi {
             if (null == api) {
                 continue;
             }
-            try {
-                if (Consts.ECB_ENC == iFlag) {
-                    return api.SYD_SM4_LongData(
-                            8,
-                            1, null,
-                            "SK" + SYMUtil.genPrivateKeyMark("000000", "00A", keyIndex),
-                            1,
-                            pcData, iPkgNum);
-                } else {
-                    return api.SYD_SM4_LongData(
-                            9,
-                            1, null,
-                            "SK" + SYMUtil.genPrivateKeyMark("000000", "00A", keyIndex),
-                            1,
-                            pcData, iPkgNum);
-                }
+            if (isShortLinkMode) {
+                try {
+                    if (Consts.ECB_ENC == iFlag) {
+                        return api.SYD_SM4_LongData(
+                                8,
+                                1, null,
+                                "SK" + SYMUtil.genPrivateKeyMark("000000", "00A", keyIndex),
+                                1,
+                                pcData, iPkgNum);
+                    } else {
+                        return api.SYD_SM4_LongData(
+                                9,
+                                1, null,
+                                "SK" + SYMUtil.genPrivateKeyMark("000000", "00A", keyIndex),
+                                1,
+                                pcData, iPkgNum);
+                    }
 
-            } catch (SydApiException e) {
-                le = e;
-                if (e.getRetCode() < 0) {
-                    log.error("HA 重试");
-                    continue;
+                } catch (SydApiException e) {
+                    le = e;
+                    if (e.getRetCode() < 0) {
+                        log.error("HA 重试");
+                        continue;
+                    }
+                    throw e;
+                }
+            } else {
+                synchronized (api) {
+                    try {
+                        if (Consts.ECB_ENC == iFlag) {
+                            return api.SYD_SM4_LongData(
+                                    8,
+                                    1, null,
+                                    "SK" + SYMUtil.genPrivateKeyMark("000000", "00A", keyIndex),
+                                    1,
+                                    pcData, iPkgNum);
+                        } else {
+                            return api.SYD_SM4_LongData(
+                                    9,
+                                    1, null,
+                                    "SK" + SYMUtil.genPrivateKeyMark("000000", "00A", keyIndex),
+                                    1,
+                                    pcData, iPkgNum);
+                        }
+
+                    } catch (SydApiException e) {
+                        le = e;
+                        if (e.getRetCode() < 0) {
+                            log.error("HA 重试");
+                            continue;
+                        }
+                        throw e;
+                    }
                 }
-                throw e;
             }
         }
         throw le;
@@ -369,24 +458,48 @@ public class SydApi4Database implements SydApi {
             if (null == api) {
                 continue;
             }
-            try {
-                List<byte[]> list = api.SYMEncryptDecryptBatchData(8, 2, null, keys, 1, pcData);
-                String[] ret = new String[list.size()];
-                for (int i = 0; i < list.size(); i++) {
-                    byte[] mac = new byte[16];
-                    byte[] buff = list.get(i);
-                    System.arraycopy(buff, buff.length - 16, mac, 0, 16);
-                    ret[i] = Util.bytes2HexString(buff);
-                }
-                return ret;
+            if (isShortLinkMode) {
+                try {
+                    List<byte[]> list = api.SYMEncryptDecryptBatchData(8, 2, null, keys, 1, pcData);
+                    String[] ret = new String[list.size()];
+                    for (int i = 0; i < list.size(); i++) {
+                        byte[] mac = new byte[16];
+                        byte[] buff = list.get(i);
+                        System.arraycopy(buff, buff.length - 16, mac, 0, 16);
+                        ret[i] = Util.bytes2HexString(buff);
+                    }
+                    return ret;
 
-            } catch (SydApiException e) {
-                le = e;
-                if (e.getRetCode() < 0) {
-                    log.error("HA 重试");
-                    continue;
+                } catch (SydApiException e) {
+                    le = e;
+                    if (e.getRetCode() < 0) {
+                        log.error("HA 重试");
+                        continue;
+                    }
+                    throw e;
+                }
+            } else {
+                synchronized (api) {
+                    try {
+                        List<byte[]> list = api.SYMEncryptDecryptBatchData(8, 2, null, keys, 1, pcData);
+                        String[] ret = new String[list.size()];
+                        for (int i = 0; i < list.size(); i++) {
+                            byte[] mac = new byte[16];
+                            byte[] buff = list.get(i);
+                            System.arraycopy(buff, buff.length - 16, mac, 0, 16);
+                            ret[i] = Util.bytes2HexString(buff);
+                        }
+                        return ret;
+
+                    } catch (SydApiException e) {
+                        le = e;
+                        if (e.getRetCode() < 0) {
+                            log.error("HA 重试");
+                            continue;
+                        }
+                        throw e;
+                    }
                 }
-                throw e;
             }
         }
         throw le;
@@ -411,24 +524,48 @@ public class SydApi4Database implements SydApi {
             if (null == api) {
                 continue;
             }
-            try {
-                List<byte[]> list = api.SYMEncryptDecryptBatchData(8, 2, null, keys, 1, pcData);
-                boolean[] ret = new boolean[list.size()];
-                for (int i = 0; i < list.size(); i++) {
-                    byte[] mac = new byte[16];
-                    byte[] buff = list.get(i);
-                    System.arraycopy(buff, buff.length - 16, mac, 0, 16);
-                    ret[i] = pcMac[i].equals(Util.bytes2HexString(buff));
-                }
+            if (isShortLinkMode) {
+                try {
+                    List<byte[]> list = api.SYMEncryptDecryptBatchData(8, 2, null, keys, 1, pcData);
+                    boolean[] ret = new boolean[list.size()];
+                    for (int i = 0; i < list.size(); i++) {
+                        byte[] mac = new byte[16];
+                        byte[] buff = list.get(i);
+                        System.arraycopy(buff, buff.length - 16, mac, 0, 16);
+                        ret[i] = pcMac[i].equals(Util.bytes2HexString(buff));
+                    }
 
-                return ret;
-            } catch (SydApiException e) {
-                le = e;
-                if (e.getRetCode() < 0) {
-                    log.error("HA 重试");
-                    continue;
+                    return ret;
+                } catch (SydApiException e) {
+                    le = e;
+                    if (e.getRetCode() < 0) {
+                        log.error("HA 重试");
+                        continue;
+                    }
+                    throw e;
+                }
+            } else {
+                synchronized (api) {
+                    try {
+                        List<byte[]> list = api.SYMEncryptDecryptBatchData(8, 2, null, keys, 1, pcData);
+                        boolean[] ret = new boolean[list.size()];
+                        for (int i = 0; i < list.size(); i++) {
+                            byte[] mac = new byte[16];
+                            byte[] buff = list.get(i);
+                            System.arraycopy(buff, buff.length - 16, mac, 0, 16);
+                            ret[i] = pcMac[i].equals(Util.bytes2HexString(buff));
+                        }
+
+                        return ret;
+                    } catch (SydApiException e) {
+                        le = e;
+                        if (e.getRetCode() < 0) {
+                            log.error("HA 重试");
+                            continue;
+                        }
+                        throw e;
+                    }
                 }
-                throw e;
             }
         }
         throw le;
@@ -458,32 +595,64 @@ public class SydApi4Database implements SydApi {
             if (null == api) {
                 continue;
             }
-            try {
-                byte[] ret = api.SYD_SM4_LongData(
-                        8,
-                        2, iv,
-                        "SK" + SYMUtil.genPrivateKeyMark("000000", "00A", keyIndex),
-                        1,
-                        pcData, iPkgNum);
+            if (isShortLinkMode) {
+                try {
+                    byte[] ret = api.SYD_SM4_LongData(
+                            8,
+                            2, iv,
+                            "SK" + SYMUtil.genPrivateKeyMark("000000", "00A", keyIndex),
+                            1,
+                            pcData, iPkgNum);
 
-                byte[] mac = new byte[16];
-                System.arraycopy(ret, ret.length - 16, mac, 0, 16);
+                    byte[] mac = new byte[16];
+                    System.arraycopy(ret, ret.length - 16, mac, 0, 16);
 
-                // 仅一包 和 尾包 返回最终结果
-                if (Consts.PkgNumAll == iPkgNum || Consts.PkgNumTail == iPkgNum) {
-                    return new LongDataReturn<>(null, Util.bytes2HexString(mac));
-                } else {
-                    // 返回中间值
-                    return new LongDataReturn<>(Util.bytes2HexString(mac), null);
+                    // 仅一包 和 尾包 返回最终结果
+                    if (Consts.PkgNumAll == iPkgNum || Consts.PkgNumTail == iPkgNum) {
+                        return new LongDataReturn<>(null, Util.bytes2HexString(mac));
+                    } else {
+                        // 返回中间值
+                        return new LongDataReturn<>(Util.bytes2HexString(mac), null);
+                    }
+
+                } catch (SydApiException e) {
+                    le = e;
+                    if (e.getRetCode() < 0) {
+                        log.error("HA 重试");
+                        continue;
+                    }
+                    throw e;
                 }
+            } else {
+                synchronized (api) {
+                    try {
+                        byte[] ret = api.SYD_SM4_LongData(
+                                8,
+                                2, iv,
+                                "SK" + SYMUtil.genPrivateKeyMark("000000", "00A", keyIndex),
+                                1,
+                                pcData, iPkgNum);
 
-            } catch (SydApiException e) {
-                le = e;
-                if (e.getRetCode() < 0) {
-                    log.error("HA 重试");
-                    continue;
+                        byte[] mac = new byte[16];
+                        System.arraycopy(ret, ret.length - 16, mac, 0, 16);
+
+                        // 仅一包 和 尾包 返回最终结果
+                        if (Consts.PkgNumAll == iPkgNum || Consts.PkgNumTail == iPkgNum) {
+                            return new LongDataReturn<>(null, Util.bytes2HexString(mac));
+                        } else {
+                            // 返回中间值
+                            return new LongDataReturn<>(Util.bytes2HexString(mac), null);
+                        }
+
+                    } catch (SydApiException e) {
+                        le = e;
+                        if (e.getRetCode() < 0) {
+                            log.error("HA 重试");
+                            continue;
+                        }
+                        throw e;
+                    }
                 }
-                throw e;
             }
         }
         throw le;
@@ -523,17 +692,35 @@ public class SydApi4Database implements SydApi {
             if (null == api) {
                 continue;
             }
-            try {
+            if (isShortLinkMode) {
+                try {
 
-                return api.SYD_SM4Mac_ShortData(keyIndex, pcData);
+                    return api.SYD_SM4Mac_ShortData(keyIndex, pcData);
 
-            } catch (SydApiException e) {
-                le = e;
-                if (e.getRetCode() < 0) {
-                    log.error("HA 重试");
-                    continue;
+                } catch (SydApiException e) {
+                    le = e;
+                    if (e.getRetCode() < 0) {
+                        log.error("HA 重试");
+                        continue;
+                    }
+                    throw e;
+                }
+            }
+            else {
+                synchronized (api){
+                    try {
+
+                        return api.SYD_SM4Mac_ShortData(keyIndex, pcData);
+
+                    } catch (SydApiException e) {
+                        le = e;
+                        if (e.getRetCode() < 0) {
+                            log.error("HA 重试");
+                            continue;
+                        }
+                        throw e;
+                    }
                 }
-                throw e;
             }
         }
         throw le;