diff --git a/continew-plugin/continew-plugin-open/src/main/java/top/continew/admin/open/handler/SaCheckPermissionHandler.java b/continew-plugin/continew-plugin-open/src/main/java/top/continew/admin/open/handler/SaCheckPermissionHandler.java
index abe438b6..9eb83deb 100644
--- a/continew-plugin/continew-plugin-open/src/main/java/top/continew/admin/open/handler/SaCheckPermissionHandler.java
+++ b/continew-plugin/continew-plugin-open/src/main/java/top/continew/admin/open/handler/SaCheckPermissionHandler.java
@@ -19,7 +19,7 @@ package top.continew.admin.open.handler;
 import cn.dev33.satoken.annotation.SaCheckPermission;
 import cn.dev33.satoken.annotation.handler.SaAnnotationHandlerInterface;
 import org.springframework.stereotype.Component;
-import top.continew.admin.open.util.ApiSignCheckUtils;
+import top.continew.admin.open.util.OpenApiUtils;
 
 import java.lang.reflect.Method;
 
@@ -41,9 +41,8 @@ public class SaCheckPermissionHandler implements SaAnnotationHandlerInterface<Sa
 
     @Override
     public void checkMethod(SaCheckPermission at, Method method) {
-        if (!ApiSignCheckUtils.isSignParamExists()) {
+        if (!OpenApiUtils.isSignParamExists()) {
             _checkMethod(at.type(), at.value(), at.mode(), at.orRole());
         }
     }
-
 }
diff --git a/continew-plugin/continew-plugin-open/src/main/java/top/continew/admin/open/model/entity/AppDO.java b/continew-plugin/continew-plugin-open/src/main/java/top/continew/admin/open/model/entity/AppDO.java
index 171a4a27..0a58ff0b 100644
--- a/continew-plugin/continew-plugin-open/src/main/java/top/continew/admin/open/model/entity/AppDO.java
+++ b/continew-plugin/continew-plugin-open/src/main/java/top/continew/admin/open/model/entity/AppDO.java
@@ -70,4 +70,16 @@ public class AppDO extends BaseDO {
      * 状态
      */
     private DisEnableStatusEnum status;
+
+    /**
+     * 是否已过期
+     *
+     * @return true：已过期；false：未过期
+     */
+    public boolean isExpired() {
+        if (expireTime == null) {
+            return false;
+        }
+        return LocalDateTime.now().isAfter(expireTime);
+    }
 }
\ No newline at end of file
diff --git a/continew-plugin/continew-plugin-open/src/main/java/top/continew/admin/open/model/resp/AppSecretResp.java b/continew-plugin/continew-plugin-open/src/main/java/top/continew/admin/open/model/resp/AppSecretResp.java
index 6baff6ca..f1cdc23c 100644
--- a/continew-plugin/continew-plugin-open/src/main/java/top/continew/admin/open/model/resp/AppSecretResp.java
+++ b/continew-plugin/continew-plugin-open/src/main/java/top/continew/admin/open/model/resp/AppSecretResp.java
@@ -45,6 +45,6 @@ public class AppSecretResp implements Serializable {
     /**
      * Secret Key（私有密钥）
      */
-    @Schema(description = "Secret Key（私有密钥）", example = "")
+    @Schema(description = "Secret Key（私有密钥）", example = "MDI2YzQ3YTU1NGEyNDM1ZWIwNTU5NmNjNmZjM2M2Nzg=")
     private String secretKey;
 }
diff --git a/continew-plugin/continew-plugin-open/src/main/java/top/continew/admin/open/service/AppService.java b/continew-plugin/continew-plugin-open/src/main/java/top/continew/admin/open/service/AppService.java
index 7a1e707f..80d88fce 100644
--- a/continew-plugin/continew-plugin-open/src/main/java/top/continew/admin/open/service/AppService.java
+++ b/continew-plugin/continew-plugin-open/src/main/java/top/continew/admin/open/service/AppService.java
@@ -16,6 +16,7 @@
 
 package top.continew.admin.open.service;
 
+import top.continew.admin.open.model.entity.AppDO;
 import top.continew.admin.open.model.query.AppQuery;
 import top.continew.admin.open.model.req.AppReq;
 import top.continew.admin.open.model.resp.AppDetailResp;
@@ -48,26 +49,10 @@ public interface AppService extends BaseService<AppResp, AppDetailResp, AppQuery
     void resetSecret(Long id);
 
     /**
-     * 根据 Access Key 获取 Secret Key
+     * 根据 Access Key 查询
      *
      * @param accessKey Access Key
-     * @return Secret Key
+     * @return 应用信息
      */
-    String getSecretKeyByAccessKey(String accessKey);
-
-    /**
-     * 判断应用是否存在
-     *
-     * @param accessKey Access Key
-     * @return 是否存在（true：存在；false：不存在）
-     */
-    boolean isAppExists(String accessKey);
-
-    /**
-     * 判断应用密钥是否过期
-     *
-     * @param accessKey Access Key
-     * @return 是否过期（true：已过期；false：未过期）
-     */
-    boolean isAppSecretExpired(String accessKey);
+    AppDO getByAccessKey(String accessKey);
 }
\ No newline at end of file
diff --git a/continew-plugin/continew-plugin-open/src/main/java/top/continew/admin/open/service/impl/AppServiceImpl.java b/continew-plugin/continew-plugin-open/src/main/java/top/continew/admin/open/service/impl/AppServiceImpl.java
index be5c8982..65097d57 100644
--- a/continew-plugin/continew-plugin-open/src/main/java/top/continew/admin/open/service/impl/AppServiceImpl.java
+++ b/continew-plugin/continew-plugin-open/src/main/java/top/continew/admin/open/service/impl/AppServiceImpl.java
@@ -17,7 +17,6 @@
 package top.continew.admin.open.service.impl;
 
 import cn.hutool.core.codec.Base64;
-import cn.hutool.core.date.DateUtil;
 import cn.hutool.core.util.IdUtil;
 import com.baomidou.mybatisplus.core.toolkit.Wrappers;
 import lombok.RequiredArgsConstructor;
@@ -31,11 +30,8 @@ import top.continew.admin.open.model.resp.AppResp;
 import top.continew.admin.open.model.resp.AppSecretResp;
 import top.continew.admin.open.service.AppService;
 import top.continew.starter.core.constant.StringConstants;
-import top.continew.starter.core.validation.ValidationUtils;
 import top.continew.starter.extension.crud.service.impl.BaseServiceImpl;
 
-import java.util.Optional;
-
 /**
  * 应用业务实现
  *
@@ -74,23 +70,8 @@ public class AppServiceImpl extends BaseServiceImpl<AppMapper, AppDO, AppResp, A
     }
 
     @Override
-    public String getSecretKeyByAccessKey(String accessKey) {
-        return Optional.ofNullable(baseMapper.selectByAccessKey(accessKey)).map(AppDO::getSecretKey).orElse(null);
-    }
-
-    @Override
-    public boolean isAppExists(String accessKey) {
-        return baseMapper.selectByAccessKey(accessKey) != null;
-    }
-
-    @Override
-    public boolean isAppSecretExpired(String accessKey) {
-        AppDO app = baseMapper.selectByAccessKey(accessKey);
-        ValidationUtils.throwIfNull(app, "应用不存在");
-        if (app.getExpireTime() == null) {
-            return false;
-        }
-        return app.getExpireTime().isBefore(DateUtil.date().toLocalDateTime());
+    public AppDO getByAccessKey(String accessKey) {
+        return baseMapper.selectByAccessKey(accessKey);
     }
 
     /**
diff --git a/continew-plugin/continew-plugin-open/src/main/java/top/continew/admin/open/sign/OpenApiSignTemplate.java b/continew-plugin/continew-plugin-open/src/main/java/top/continew/admin/open/sign/OpenApiSignTemplate.java
index a982269e..f0759f40 100644
--- a/continew-plugin/continew-plugin-open/src/main/java/top/continew/admin/open/sign/OpenApiSignTemplate.java
+++ b/continew-plugin/continew-plugin-open/src/main/java/top/continew/admin/open/sign/OpenApiSignTemplate.java
@@ -19,11 +19,12 @@ package top.continew.admin.open.sign;
 import cn.dev33.satoken.sign.SaSignTemplate;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Component;
+import top.continew.admin.common.enums.DisEnableStatusEnum;
+import top.continew.admin.open.model.entity.AppDO;
 import top.continew.admin.open.service.AppService;
 import top.continew.starter.core.validation.ValidationUtils;
 
 import java.util.Map;
-import java.util.TreeMap;
 
 /**
  * API 参数签名算法
@@ -52,32 +53,24 @@ public class OpenApiSignTemplate extends SaSignTemplate {
         ValidationUtils.throwIfBlank(nonceValue, "nonce不能为空");
         ValidationUtils.throwIfBlank(signValue, "sign不能为空");
         ValidationUtils.throwIfBlank(accessKeyValue, "accessKey不能为空");
-        ValidationUtils.throwIf(!appService.isAppExists(accessKeyValue), "accessKey非法");
-        ValidationUtils.throwIf(appService.isAppSecretExpired(accessKeyValue), "密钥已过期, 请重置密钥");
+        AppDO app = appService.getByAccessKey(accessKeyValue);
+        ValidationUtils.throwIfNull(app, "accessKey非法");
+        ValidationUtils.throwIfEqual(DisEnableStatusEnum.DISABLE, app.getStatus(), "应用已被禁用, 请联系管理员");
+        ValidationUtils.throwIf(app.isExpired(), "应用已过期, 请联系管理员");
 
         // 依次校验三个参数
         super.checkTimestamp(Long.parseLong(timestampValue));
         super.checkNonce(nonceValue);
+        paramMap.put(key, app.getSecretKey());
         super.checkSign(paramMap, signValue);
     }
 
     @Override
-    public String createSign(Map<String, ?> paramsMap) {
-        // 根据 AK 获取 SK
-        String accessKeyValue = (String)((Map)paramsMap).get(ACCESS_KEY);
-        String secretKey = appService.getSecretKeyByAccessKey(accessKeyValue);
-        ValidationUtils.throwIfBlank(secretKey, "密钥缺失, 请检查应用配置");
-
-        // 如果调用者不小心传入了 sign 参数，则此处需要将 sign 参数排除在外
-        if (paramsMap.containsKey(sign)) {
-            // 为了保证不影响原有的 paramsMap，此处需要再复制一份
-            paramsMap = new TreeMap<>(paramsMap);
-            paramsMap.remove(sign);
-        }
-
+    public String createSign(Map<String, ?> paramMap) {
+        ValidationUtils.throwIfEmpty(paramMap.get(key), "秘钥缺失, 请检查应用配置");
+        // 移除 sign 参数
+        paramMap.remove(sign);
         // 计算签名
-        String paramsStr = super.joinParamsDictSort(paramsMap);
-        String fullStr = paramsStr + "&" + key + "=" + secretKey;
-        return super.abstractStr(fullStr);
+        return super.abstractStr(super.joinParamsDictSort(paramMap));
     }
 }
diff --git a/continew-plugin/continew-plugin-open/src/main/java/top/continew/admin/open/util/ApiSignCheckUtils.java b/continew-plugin/continew-plugin-open/src/main/java/top/continew/admin/open/util/OpenApiUtils.java
similarity index 92%
rename from continew-plugin/continew-plugin-open/src/main/java/top/continew/admin/open/util/ApiSignCheckUtils.java
rename to continew-plugin/continew-plugin-open/src/main/java/top/continew/admin/open/util/OpenApiUtils.java
index b7c1fb33..71f99388 100644
--- a/continew-plugin/continew-plugin-open/src/main/java/top/continew/admin/open/util/ApiSignCheckUtils.java
+++ b/continew-plugin/continew-plugin-open/src/main/java/top/continew/admin/open/util/OpenApiUtils.java
@@ -23,14 +23,15 @@ import cn.dev33.satoken.sign.SaSignTemplate;
 import java.util.List;
 
 /**
- * API签名验证工具类
+ * Open Api 工具类
  *
  * @author chengzi
+ * @author Charles7c
  * @since 2024/10/25 15:31
  */
-public class ApiSignCheckUtils {
+public class OpenApiUtils {
 
-    private ApiSignCheckUtils() {
+    private OpenApiUtils() {
     }
 
     /**