diff --git a/cf-framework/cf-common/src/main/java/com/cf/imes/framework/common/util/encrypt/AesUtils.java b/cf-framework/cf-common/src/main/java/com/cf/imes/framework/common/util/encrypt/AesUtils.java
index 77a3b4733..abe43560e 100644
--- a/cf-framework/cf-common/src/main/java/com/cf/imes/framework/common/util/encrypt/AesUtils.java
+++ b/cf-framework/cf-common/src/main/java/com/cf/imes/framework/common/util/encrypt/AesUtils.java
@@ -1,13 +1,12 @@
 package com.cf.imes.framework.common.util.encrypt;
 
-import cn.hutool.core.util.CharsetUtil;
 import lombok.extern.slf4j.Slf4j;
 
 import javax.crypto.Cipher;
 import javax.crypto.KeyGenerator;
 import javax.crypto.SecretKey;
-import javax.crypto.spec.IvParameterSpec;
-import java.security.GeneralSecurityException;
+import javax.crypto.spec.GCMParameterSpec;
+import javax.crypto.spec.SecretKeySpec;
 import java.security.NoSuchAlgorithmException;
 import java.security.SecureRandom;
 import java.util.Base64;
@@ -23,7 +22,7 @@ public class AesUtils {
 
     private static final String AES_ALG = "AES";
 
-    private static final String AES_CBC_PCK_ALG = "AES/CBC/PKCS5Padding";
+    private static final String DEFAULT_CIPHER_ALGORITHM = "AES/GCM/NoPadding";
 
 
     /**
@@ -34,14 +33,14 @@ public class AesUtils {
      * @return
      * @throws Exception
      */
-    public static String decrypt(String content, String aesKey) {
+    public static String decrypt(String base64Content, String aesKey) {
         try {
-            Cipher cipher = Cipher.getInstance(AES_CBC_PCK_ALG);
-            IvParameterSpec iv = new IvParameterSpec(initIv(AES_CBC_PCK_ALG));
-            cipher.init(Cipher.DECRYPT_MODE, generateKey(aesKey.getBytes()), iv);
-
-            byte[] cleanBytes = cipher.doFinal(Base64.getDecoder().decode(content.getBytes()));
-            return new String(cleanBytes, CharsetUtil.UTF_8);
+            byte[] content = Base64.getDecoder().decode(base64Content);
+            GCMParameterSpec params = new GCMParameterSpec(128, content, 0, 12);
+            Cipher cipher = Cipher.getInstance(DEFAULT_CIPHER_ALGORITHM);
+            cipher.init(Cipher.DECRYPT_MODE, getSecretKey(aesKey), params);
+            byte[] decryptData = cipher.doFinal(content, 12, content.length - 12);
+            return new String(decryptData);
         } catch (Exception e) {
             log.error("[AesUtils][decrypt]解密失败：{}", e.getMessage(), e);
             // nacos热发布配置，空字符串会导致nacos轮训刷新配置
@@ -56,44 +55,16 @@ public class AesUtils {
      * @return
      * @throws NoSuchAlgorithmException
      */
-    private static SecretKey generateKey(byte[] bytes) throws NoSuchAlgorithmException {
+    private static SecretKey getSecretKey(String key) throws NoSuchAlgorithmException {
         // 生成随机数
         SecureRandom random = SecureRandom.getInstance("SHA1PRNG");
         // 设置随机数种子
-        random.setSeed(bytes);
+        random.setSeed(key.getBytes());
 
         // aes算法生成器
         KeyGenerator keyGen = KeyGenerator.getInstance(AES_ALG);
         keyGen.init(128, random); // 使用128位的密钥
-        return keyGen.generateKey();
-    }
-
-
-    /**
-     * 初始向量的方法, 全部为0. 这里的写法适合于其它算法,针对AES算法的话,IV值一定是128位的(16字节).
-     *
-     * @param fullAlg
-     * @return
-     * @throws GeneralSecurityException
-     */
-    private static byte[] initIv(String fullAlg) {
-
-        try {
-            Cipher cipher = Cipher.getInstance(fullAlg);
-            int blockSize = cipher.getBlockSize();
-            byte[] iv = new byte[blockSize];
-            for (int i = 0; i < blockSize; ++i) {
-                iv[i] = 0;
-            }
-            return iv;
-        } catch (Exception e) {
-
-            int blockSize = 16;
-            byte[] iv = new byte[blockSize];
-            for (int i = 0; i < blockSize; ++i) {
-                iv[i] = 0;
-            }
-            return iv;
-        }
+        SecretKey secretKey = keyGen.generateKey();
+        return new SecretKeySpec(secretKey.getEncoded(), AES_ALG);
     }
 }
diff --git a/cf-framework/cf-spring-boot-starter-biz-pay/src/main/java/com/cf/imes/framework/pay/core/client/impl/alipay/AbstractAlipayPayClient.java b/cf-framework/cf-spring-boot-starter-biz-pay/src/main/java/com/cf/imes/framework/pay/core/client/impl/alipay/AbstractAlipayPayClient.java
index fd49fef79..6de95159a 100644
--- a/cf-framework/cf-spring-boot-starter-biz-pay/src/main/java/com/cf/imes/framework/pay/core/client/impl/alipay/AbstractAlipayPayClient.java
+++ b/cf-framework/cf-spring-boot-starter-biz-pay/src/main/java/com/cf/imes/framework/pay/core/client/impl/alipay/AbstractAlipayPayClient.java
@@ -4,7 +4,7 @@ import cn.hutool.core.bean.BeanUtil;
 import cn.hutool.core.date.LocalDateTimeUtil;
 import cn.hutool.core.lang.Assert;
 import cn.hutool.core.map.MapUtil;
-import cn.hutool.core.util.StrUtil;
+import cn.hutool.core.text.CharSequenceUtil;
 import cn.hutool.http.HttpUtil;
 import com.cf.imes.framework.common.util.json.JsonUtils;
 import com.cf.imes.framework.common.util.object.ObjectUtils;
@@ -98,7 +98,7 @@ public abstract class AbstractAlipayPayClient extends AbstractPayClient<AlipayPa
             status = PayOrderStatusRespEnum.REFUND.getStatus();
         }
         Assert.notNull(status, (Supplier<Throwable>) () -> {
-            throw new IllegalArgumentException(StrUtil.format("body({}) 的 trade_status 不正确", body));
+            throw new IllegalArgumentException(CharSequenceUtil.format("body({}) 的 trade_status 不正确", body));
         });
         return PayOrderRespDTO.of(status, bodyObj.get("trade_no"), bodyObj.get("seller_id"), parseTime(params.get("gmt_payment")),
                 bodyObj.get("out_trade_no"), body);
@@ -126,7 +126,7 @@ public abstract class AbstractAlipayPayClient extends AbstractPayClient<AlipayPa
         // 2.2 解析订单的状态
         Integer status = parseStatus(response.getTradeStatus());
         Assert.notNull(status,  () -> {
-            throw new IllegalArgumentException(StrUtil.format("body({}) 的 trade_status 不正确", response.getBody()));
+            throw new IllegalArgumentException(CharSequenceUtil.format("body({}) 的 trade_status 不正确", response.getBody()));
         });
         return PayOrderRespDTO.of(status, response.getTradeNo(), response.getBuyerUserId(), LocalDateTimeUtil.of(response.getSendPayDate()),
                 outTradeNo, response);
@@ -248,11 +248,11 @@ public abstract class AbstractAlipayPayClient extends AbstractPayClient<AlipayPa
                 Participant payeeInfo = new Participant();
                 payeeInfo.setIdentityType("ALIPAY_LOGON_ID");
                 String logonId = MapUtil.getStr(reqDTO.getPayeeInfo(), "ALIPAY_LOGON_ID");
-                if (StrUtil.isEmpty(logonId)) {
+                if (CharSequenceUtil.isEmpty(logonId)) {
                     throw exception0(BAD_REQUEST.getCode(), "支付包登录 ID 不能为空");
                 }
                 String accountName = MapUtil.getStr(reqDTO.getPayeeInfo(), "ALIPAY_ACCOUNT_NAME");
-                if (StrUtil.isEmpty(accountName)) {
+                if (CharSequenceUtil.isEmpty(accountName)) {
                     throw exception0(BAD_REQUEST.getCode(), "支付包账户名称不能为空");
                 }
                 payeeInfo.setIdentity(logonId); // 支付宝登录号
diff --git a/cf-framework/cf-spring-boot-starter-biz-pay/src/main/java/com/cf/imes/framework/pay/core/client/impl/weixin/AbstractWxPayClient.java b/cf-framework/cf-spring-boot-starter-biz-pay/src/main/java/com/cf/imes/framework/pay/core/client/impl/weixin/AbstractWxPayClient.java
index 170bacc48..2223d38e5 100644
--- a/cf-framework/cf-spring-boot-starter-biz-pay/src/main/java/com/cf/imes/framework/pay/core/client/impl/weixin/AbstractWxPayClient.java
+++ b/cf-framework/cf-spring-boot-starter-biz-pay/src/main/java/com/cf/imes/framework/pay/core/client/impl/weixin/AbstractWxPayClient.java
@@ -5,7 +5,7 @@ import cn.hutool.core.codec.Base64;
 import cn.hutool.core.collection.CollUtil;
 import cn.hutool.core.date.LocalDateTimeUtil;
 import cn.hutool.core.date.TemporalAccessorUtil;
-import cn.hutool.core.util.StrUtil;
+import cn.hutool.core.text.CharSequenceUtil;
 import com.cf.imes.framework.common.util.io.FileUtils;
 import com.cf.imes.framework.common.util.object.ObjectUtils;
 import com.cf.imes.framework.pay.core.client.dto.order.PayOrderRespDTO;
@@ -43,6 +43,12 @@ import static cn.hutool.core.date.DatePattern.*;
 @Slf4j
 public abstract class AbstractWxPayClient extends AbstractPayClient<WxPayClientConfig> {
 
+    private static final String UNKOWN_API_VERSION_NOTIFICATION = "未知的 API 版本(%s)";
+
+    private static final String SUCCESS_CODE = "SUCCESS";
+
+    private static final String PROCESSING_STATUS_CODE = "PROCESSING";
+
     protected WxPayService client;
 
     public AbstractWxPayClient(Long channelId, String channelCode, WxPayClientConfig config) {
@@ -63,10 +69,10 @@ public abstract class AbstractWxPayClient extends AbstractPayClient<WxPayClientC
         if (Base64.isBase64(config.getKeyContent())) {
             payConfig.setKeyPath(FileUtils.createTempFile(Base64.decode(config.getKeyContent())).getPath());
         }
-        if (StrUtil.isNotEmpty(config.getPrivateKeyContent())) {
+        if (CharSequenceUtil.isNotEmpty(config.getPrivateKeyContent())) {
             payConfig.setPrivateKeyPath(FileUtils.createTempFile(config.getPrivateKeyContent()).getPath());
         }
-        if (StrUtil.isNotEmpty(config.getPrivateCertContent())) {
+        if (CharSequenceUtil.isNotEmpty(config.getPrivateCertContent())) {
             payConfig.setPrivateCertPath(FileUtils.createTempFile(config.getPrivateCertContent()).getPath());
         }
 
@@ -86,7 +92,7 @@ public abstract class AbstractWxPayClient extends AbstractPayClient<WxPayClientC
                 case WxPayClientConfig.API_VERSION_V3:
                     return doUnifiedOrderV3(reqDTO);
                 default:
-                    throw new IllegalArgumentException(String.format("未知的 API 版本(%s)", config.getApiVersion()));
+                    throw new IllegalArgumentException(String.format(UNKOWN_API_VERSION_NOTIFICATION, config.getApiVersion()));
             }
         } catch (WxPayException e) {
             String errorCode = getErrorCode(e);
@@ -157,7 +163,7 @@ public abstract class AbstractWxPayClient extends AbstractPayClient<WxPayClientC
             case WxPayClientConfig.API_VERSION_V3:
                 return doParseOrderNotifyV3(body);
             default:
-                throw new IllegalArgumentException(String.format("未知的 API 版本(%s)", config.getApiVersion()));
+                throw new IllegalArgumentException(String.format(UNKOWN_API_VERSION_NOTIFICATION, config.getApiVersion()));
         }
     }
 
@@ -166,7 +172,7 @@ public abstract class AbstractWxPayClient extends AbstractPayClient<WxPayClientC
         WxPayOrderNotifyResult response = client.parseOrderNotifyResult(body);
         // 2. 构建结果
         // V2 微信支付的回调，只有 SUCCESS 支付成功、CLOSED 支付失败两种情况，无需像支付宝一样解析的比较复杂
-        Integer status = Objects.equals(response.getResultCode(), "SUCCESS") ?
+        Integer status = Objects.equals(response.getResultCode(), SUCCESS_CODE) ?
                 PayOrderStatusRespEnum.SUCCESS.getStatus() : PayOrderStatusRespEnum.CLOSED.getStatus();
         return PayOrderRespDTO.of(status, response.getTransactionId(), response.getOpenid(), parseDateV2(response.getTimeEnd()),
                 response.getOutTradeNo(), body);
@@ -192,7 +198,7 @@ public abstract class AbstractWxPayClient extends AbstractPayClient<WxPayClientC
                 case WxPayClientConfig.API_VERSION_V3:
                     return doGetOrderV3(outTradeNo);
                 default:
-                    throw new IllegalArgumentException(String.format("未知的 API 版本(%s)", config.getApiVersion()));
+                    throw new IllegalArgumentException(String.format(UNKOWN_API_VERSION_NOTIFICATION, config.getApiVersion()));
             }
         } catch (WxPayException e) {
             if (ObjectUtils.equalsAny(e.getErrCode(), "ORDERNOTEXIST", "ORDER_NOT_EXIST")) {
@@ -237,7 +243,7 @@ public abstract class AbstractWxPayClient extends AbstractPayClient<WxPayClientC
             case "NOTPAY":
             case "USERPAYING": // 支付中，等待用户输入密码（条码支付独有）
                 return PayOrderStatusRespEnum.WAITING.getStatus();
-            case "SUCCESS":
+            case SUCCESS_CODE:
                 return PayOrderStatusRespEnum.SUCCESS.getStatus();
             case "REFUND":
                 return PayOrderStatusRespEnum.REFUND.getStatus();
@@ -246,7 +252,7 @@ public abstract class AbstractWxPayClient extends AbstractPayClient<WxPayClientC
             case "PAYERROR": // 支付失败（其它原因，如银行返回失败）
                 return PayOrderStatusRespEnum.CLOSED.getStatus();
             default:
-                throw new IllegalArgumentException(StrUtil.format("未知的支付状态({})", tradeState));
+                throw new IllegalArgumentException(CharSequenceUtil.format("未知的支付状态({})", tradeState));
         }
     }
 
@@ -261,7 +267,7 @@ public abstract class AbstractWxPayClient extends AbstractPayClient<WxPayClientC
                 case WxPayClientConfig.API_VERSION_V3:
                     return doUnifiedRefundV3(reqDTO);
                 default:
-                    throw new IllegalArgumentException(String.format("未知的 API 版本(%s)", config.getApiVersion()));
+                    throw new IllegalArgumentException(String.format(UNKOWN_API_VERSION_NOTIFICATION, config.getApiVersion()));
             }
         } catch (WxPayException e) {
             String errorCode = getErrorCode(e);
@@ -283,7 +289,7 @@ public abstract class AbstractWxPayClient extends AbstractPayClient<WxPayClientC
         // 2.1 执行请求
         WxPayRefundResult response = client.refundV2(request);
         // 2.2 创建返回结果
-        if (Objects.equals("SUCCESS", response.getResultCode())) { // V2 情况下，不直接返回退款成功，而是等待异步通知
+        if (Objects.equals(SUCCESS_CODE, response.getResultCode())) { // V2 情况下，不直接返回退款成功，而是等待异步通知
             return PayRefundRespDTO.waitingOf(response.getRefundId(),
                     reqDTO.getOutRefundNo(), response);
         }
@@ -302,11 +308,11 @@ public abstract class AbstractWxPayClient extends AbstractPayClient<WxPayClientC
         // 2.1 执行请求
         WxPayRefundV3Result response = client.refundV3(request);
         // 2.2 创建返回结果
-        if (Objects.equals("SUCCESS", response.getStatus())) {
+        if (Objects.equals(SUCCESS_CODE, response.getStatus())) {
             return PayRefundRespDTO.successOf(response.getRefundId(), parseDateV3(response.getSuccessTime()),
                     reqDTO.getOutRefundNo(), response);
         }
-        if (Objects.equals("PROCESSING", response.getStatus())) {
+        if (Objects.equals(PROCESSING_STATUS_CODE, response.getStatus())) {
             return PayRefundRespDTO.waitingOf(response.getRefundId(),
                     reqDTO.getOutRefundNo(), response);
         }
@@ -321,7 +327,7 @@ public abstract class AbstractWxPayClient extends AbstractPayClient<WxPayClientC
             case WxPayClientConfig.API_VERSION_V3:
                 return parseRefundNotifyV3(body);
             default:
-                throw new IllegalArgumentException(String.format("未知的 API 版本(%s)", config.getApiVersion()));
+                throw new IllegalArgumentException(String.format(UNKOWN_API_VERSION_NOTIFICATION, config.getApiVersion()));
         }
     }
 
@@ -330,7 +336,7 @@ public abstract class AbstractWxPayClient extends AbstractPayClient<WxPayClientC
         WxPayRefundNotifyResult response = client.parseRefundNotifyResult(body);
         WxPayRefundNotifyResult.ReqInfo result = response.getReqInfo();
         // 2. 构建结果
-        if (Objects.equals("SUCCESS", result.getRefundStatus())) {
+        if (Objects.equals(SUCCESS_CODE, result.getRefundStatus())) {
             return PayRefundRespDTO.successOf(result.getRefundId(), parseDateV2B(result.getSuccessTime()),
                     result.getOutRefundNo(), response);
         }
@@ -342,7 +348,7 @@ public abstract class AbstractWxPayClient extends AbstractPayClient<WxPayClientC
         WxPayRefundNotifyV3Result response = client.parseRefundNotifyV3Result(body, null);
         WxPayRefundNotifyV3Result.DecryptNotifyResult result = response.getResult();
         // 2. 构建结果
-        if (Objects.equals("SUCCESS", result.getRefundStatus())) {
+        if (Objects.equals(SUCCESS_CODE, result.getRefundStatus())) {
             return PayRefundRespDTO.successOf(result.getRefundId(), parseDateV3(result.getSuccessTime()),
                     result.getOutRefundNo(), response);
         }
@@ -358,7 +364,7 @@ public abstract class AbstractWxPayClient extends AbstractPayClient<WxPayClientC
                 case WxPayClientConfig.API_VERSION_V3:
                     return doGetRefundV3(outTradeNo, outRefundNo);
                 default:
-                    throw new IllegalArgumentException(String.format("未知的 API 版本(%s)", config.getApiVersion()));
+                    throw new IllegalArgumentException(String.format(UNKOWN_API_VERSION_NOTIFICATION, config.getApiVersion()));
             }
         } catch (WxPayException e) {
             if (ObjectUtils.equalsAny(e.getErrCode(), "REFUNDNOTEXIST", "RESOURCE_NOT_EXISTS")) {
@@ -380,7 +386,7 @@ public abstract class AbstractWxPayClient extends AbstractPayClient<WxPayClientC
         // 2.1 执行请求
         WxPayRefundQueryResult response = client.refundQuery(request);
         // 2.2 创建返回结果
-        if (!Objects.equals("SUCCESS", response.getResultCode())) {
+        if (!Objects.equals(SUCCESS_CODE, response.getResultCode())) {
             return PayRefundRespDTO.waitingOf(null,
                     outRefundNo, response);
         }
@@ -390,10 +396,10 @@ public abstract class AbstractWxPayClient extends AbstractPayClient<WxPayClientC
             return PayRefundRespDTO.failureOf(outRefundNo, response);
         }
         switch (refund.getRefundStatus()) {
-            case "SUCCESS":
+            case SUCCESS_CODE:
                 return PayRefundRespDTO.successOf(refund.getRefundId(), parseDateV2B(refund.getRefundSuccessTime()),
                         outRefundNo, response);
-            case "PROCESSING":
+            case PROCESSING_STATUS_CODE:
                 return PayRefundRespDTO.waitingOf(refund.getRefundId(),
                         outRefundNo, response);
             case "CHANGE": // 退款到银行发现用户的卡作废或者冻结了，导致原路退款银行卡失败，资金回流到商户的现金帐号，需要商户人工干预，通过线下或者财付通转账的方式进行退款
@@ -412,10 +418,10 @@ public abstract class AbstractWxPayClient extends AbstractPayClient<WxPayClientC
         WxPayRefundQueryV3Result response = client.refundQueryV3(request);
         // 2.2 创建返回结果
         switch (response.getStatus()) {
-            case "SUCCESS":
+            case SUCCESS_CODE:
                 return PayRefundRespDTO.successOf(response.getRefundId(), parseDateV3(response.getSuccessTime()),
                         outRefundNo, response);
-            case "PROCESSING":
+            case PROCESSING_STATUS_CODE:
                 return PayRefundRespDTO.waitingOf(response.getRefundId(),
                         outRefundNo, response);
             case "ABNORMAL": // 退款异常
@@ -453,20 +459,20 @@ public abstract class AbstractWxPayClient extends AbstractPayClient<WxPayClientC
     }
 
     static String getErrorCode(WxPayException e) {
-        if (StrUtil.isNotEmpty(e.getErrCode())) {
+        if (CharSequenceUtil.isNotEmpty(e.getErrCode())) {
             return e.getErrCode();
         }
-        if (StrUtil.isNotEmpty(e.getCustomErrorMsg())) {
+        if (CharSequenceUtil.isNotEmpty(e.getCustomErrorMsg())) {
             return "CUSTOM_ERROR";
         }
         return e.getReturnCode();
     }
 
     static String getErrorMessage(WxPayException e) {
-        if (StrUtil.isNotEmpty(e.getErrCode())) {
+        if (CharSequenceUtil.isNotEmpty(e.getErrCode())) {
             return e.getErrCodeDes();
         }
-        if (StrUtil.isNotEmpty(e.getCustomErrorMsg())) {
+        if (CharSequenceUtil.isNotEmpty(e.getCustomErrorMsg())) {
             return e.getCustomErrorMsg();
         }
         return e.getReturnMsg();
diff --git a/cf-framework/cf-spring-boot-starter-file/src/main/java/com/cf/imes/framework/file/core/client/AbstractFileClient.java b/cf-framework/cf-spring-boot-starter-file/src/main/java/com/cf/imes/framework/file/core/client/AbstractFileClient.java
index 4fd88e1f2..69ff4ce6f 100644
--- a/cf-framework/cf-spring-boot-starter-file/src/main/java/com/cf/imes/framework/file/core/client/AbstractFileClient.java
+++ b/cf-framework/cf-spring-boot-starter-file/src/main/java/com/cf/imes/framework/file/core/client/AbstractFileClient.java
@@ -1,6 +1,6 @@
 package com.cf.imes.framework.file.core.client;
 
-import cn.hutool.core.util.StrUtil;
+import cn.hutool.core.text.CharSequenceUtil;
 import lombok.extern.slf4j.Slf4j;
 
 /**
@@ -63,7 +63,7 @@ public abstract class AbstractFileClient<Config extends FileClientConfig> implem
      * @return URL 访问地址
      */
     protected String formatFileUrl(String domain, String path) {
-        return StrUtil.format("{}/admin-api/infra/file/{}/get/{}", domain, getId(), path);
+        return CharSequenceUtil.format("{}/admin-api/infra/file/{}/get/{}", domain, getId(), path);
     }
 
 }
diff --git a/cf-framework/cf-spring-boot-starter-websocket/src/main/java/com/cf/imes/framework/websocket/core/sender/AbstractWebSocketMessageSender.java b/cf-framework/cf-spring-boot-starter-websocket/src/main/java/com/cf/imes/framework/websocket/core/sender/AbstractWebSocketMessageSender.java
index f2dd00143..8ec8f756a 100644
--- a/cf-framework/cf-spring-boot-starter-websocket/src/main/java/com/cf/imes/framework/websocket/core/sender/AbstractWebSocketMessageSender.java
+++ b/cf-framework/cf-spring-boot-starter-websocket/src/main/java/com/cf/imes/framework/websocket/core/sender/AbstractWebSocketMessageSender.java
@@ -1,7 +1,7 @@
 package com.cf.imes.framework.websocket.core.sender;
 
 import cn.hutool.core.collection.CollUtil;
-import cn.hutool.core.util.StrUtil;
+import cn.hutool.core.text.CharSequenceUtil;
 import com.cf.imes.framework.common.util.json.JsonUtils;
 import com.cf.imes.framework.websocket.core.message.JsonWebSocketMessage;
 import com.cf.imes.framework.websocket.core.session.WebSocketSessionManager;
@@ -53,7 +53,7 @@ public abstract class AbstractWebSocketMessageSender implements WebSocketMessage
     public void send(String sessionId, Integer userType, Long userId, String messageType, String messageContent) {
         // 1. 获得 Session 列表
         List<WebSocketSession> sessions = Collections.emptyList();
-        if (StrUtil.isNotEmpty(sessionId)) {
+        if (CharSequenceUtil.isNotEmpty(sessionId)) {
             WebSocketSession session = sessionManager.getSession(sessionId);
             if (session != null) {
                 sessions = Collections.singletonList(session);