diff --git a/iot-common-core/src/main/java/cc/iotkit/common/constant/TenantConstants.java b/iot-common-core/src/main/java/cc/iotkit/common/constant/TenantConstants.java
index d8d20c7..ad59b55 100755
--- a/iot-common-core/src/main/java/cc/iotkit/common/constant/TenantConstants.java
+++ b/iot-common-core/src/main/java/cc/iotkit/common/constant/TenantConstants.java
@@ -63,6 +63,6 @@ public interface TenantConstants {
     /**
      * 默认租户ID
      */
-    String DEFAULT_TENANT_ID = "000000";
+    Long DEFAULT_TENANT_ID = 0L;
 
 }
diff --git a/iot-common-core/src/main/java/cc/iotkit/common/model/LoginUser.java b/iot-common-core/src/main/java/cc/iotkit/common/model/LoginUser.java
index 216a3d2..18c2c7a 100755
--- a/iot-common-core/src/main/java/cc/iotkit/common/model/LoginUser.java
+++ b/iot-common-core/src/main/java/cc/iotkit/common/model/LoginUser.java
@@ -46,7 +46,7 @@ public class LoginUser implements Serializable {
     /**
      * 租户ID
      */
-    private String tenantId;
+    private Long tenantId;
 
     /**
      * 用户ID
diff --git a/iot-common-log/src/main/java/cc/iotkit/common/log/event/LogininforEvent.java b/iot-common-log/src/main/java/cc/iotkit/common/log/event/LogininforEvent.java
index 0a04061..9ea2ea7 100755
--- a/iot-common-log/src/main/java/cc/iotkit/common/log/event/LogininforEvent.java
+++ b/iot-common-log/src/main/java/cc/iotkit/common/log/event/LogininforEvent.java
@@ -42,7 +42,7 @@ public class LogininforEvent implements Serializable {
     /**
      * 租户ID
      */
-    private String tenantId;
+    private Long tenantId;
 
     /**
      * 用户账号
diff --git a/iot-common-log/src/main/java/cc/iotkit/common/log/event/OperLogEvent.java b/iot-common-log/src/main/java/cc/iotkit/common/log/event/OperLogEvent.java
index 1a08399..00746e6 100755
--- a/iot-common-log/src/main/java/cc/iotkit/common/log/event/OperLogEvent.java
+++ b/iot-common-log/src/main/java/cc/iotkit/common/log/event/OperLogEvent.java
@@ -46,7 +46,7 @@ public class OperLogEvent implements Serializable {
     /**
      * 租户ID
      */
-    private String tenantId;
+    private Long tenantId;
 
     /**
      * 操作模块
diff --git a/iot-common-satoken/src/main/java/cc/iotkit/common/satoken/utils/LoginHelper.java b/iot-common-satoken/src/main/java/cc/iotkit/common/satoken/utils/LoginHelper.java
index 49d0547..2af69e6 100755
--- a/iot-common-satoken/src/main/java/cc/iotkit/common/satoken/utils/LoginHelper.java
+++ b/iot-common-satoken/src/main/java/cc/iotkit/common/satoken/utils/LoginHelper.java
@@ -134,7 +134,7 @@ public class LoginHelper {
     /**
      * 获取租户ID
      */
-    public static String getTenantId() {
+    public static Long getTenantId() {
         try {
             LoginUser loginUser = getLoginUser();
             if (loginUser == null) {
@@ -142,7 +142,7 @@ public class LoginHelper {
                 if (tenantId == null) {
                     return null;
                 }
-                return tenantId.toString();
+                return (Long) tenantId;
             }
             return loginUser.getTenantId();
         } catch (Exception e) {
@@ -156,7 +156,7 @@ public class LoginHelper {
      *
      * @param tenantId 租户ID
      */
-    public static void setTenantId(String tenantId) {
+    public static void setTenantId(Long tenantId) {
         SaHolder.getStorage().set(TENANT_KEY, tenantId);
     }
 
diff --git a/iot-common-tenant/src/main/java/cc/iotkit/common/tenant/aspect/TenantFilterAspect.java b/iot-common-tenant/src/main/java/cc/iotkit/common/tenant/aspect/TenantFilterAspect.java
index b08c3a5..21c4d03 100755
--- a/iot-common-tenant/src/main/java/cc/iotkit/common/tenant/aspect/TenantFilterAspect.java
+++ b/iot-common-tenant/src/main/java/cc/iotkit/common/tenant/aspect/TenantFilterAspect.java
@@ -27,6 +27,7 @@ package cc.iotkit.common.tenant.aspect;
 import cc.iotkit.common.satoken.utils.LoginHelper;
 import cc.iotkit.common.tenant.helper.TenantHelper;
 import cc.iotkit.common.utils.StringUtils;
+import cn.hutool.core.util.ObjectUtil;
 import org.aspectj.lang.annotation.AfterReturning;
 import org.aspectj.lang.annotation.Aspect;
 import org.aspectj.lang.annotation.Pointcut;
@@ -49,12 +50,12 @@ public class TenantFilterAspect {
     @AfterReturning(pointcut = "openSession()", returning = "session")
     public void afterOpenSession(Object session) {
         if (session instanceof Session) {
-            String tenantId = LoginHelper.getTenantId();
-            String dynamic = TenantHelper.getDynamic();
-            if (StringUtils.isNotBlank(dynamic)) {
+            Long tenantId = LoginHelper.getTenantId();
+            Long dynamic = TenantHelper.getDynamic();
+            if (ObjectUtil.isNotNull(dynamic)) {
                 tenantId = dynamic;
             }
-            if (tenantId != null && !tenantId.equals("000000")) {
+            if (tenantId != null) {
                 org.hibernate.Filter filter = ((Session) session).enableFilter("tenantFilter");
                 filter.setParameter("tenantId", tenantId);
             }
diff --git a/iot-common-tenant/src/main/java/cc/iotkit/common/tenant/entiry/BaseTenantEntity.java b/iot-common-tenant/src/main/java/cc/iotkit/common/tenant/entiry/BaseTenantEntity.java
index a99aa4e..4340aad 100755
--- a/iot-common-tenant/src/main/java/cc/iotkit/common/tenant/entiry/BaseTenantEntity.java
+++ b/iot-common-tenant/src/main/java/cc/iotkit/common/tenant/entiry/BaseTenantEntity.java
@@ -63,7 +63,7 @@ public abstract class BaseTenantEntity implements TenantAware, Serializable {
     private Long id;
 
     @Column(name = "tenant_id")
-    private String tenantId;
+    private Long tenantId;
 
     /**
      * 创建部门
@@ -98,7 +98,7 @@ public abstract class BaseTenantEntity implements TenantAware, Serializable {
     @Column(name = "update_time")
     private Date updateTime;
 
-    public BaseTenantEntity(String tenantId) {
+    public BaseTenantEntity(Long tenantId) {
         this.tenantId = tenantId;
     }
 
diff --git a/iot-common-tenant/src/main/java/cc/iotkit/common/tenant/helper/TenantHelper.java b/iot-common-tenant/src/main/java/cc/iotkit/common/tenant/helper/TenantHelper.java
index d6024dd..25b4b9c 100755
--- a/iot-common-tenant/src/main/java/cc/iotkit/common/tenant/helper/TenantHelper.java
+++ b/iot-common-tenant/src/main/java/cc/iotkit/common/tenant/helper/TenantHelper.java
@@ -36,6 +36,8 @@ import lombok.AccessLevel;
 import lombok.NoArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 
+import java.util.Objects;
+
 /**
  * 租户助手
  *
@@ -47,7 +49,7 @@ public class TenantHelper {
 
     private static final String DYNAMIC_TENANT_KEY = GlobalConstants.GLOBAL_REDIS_KEY + "dynamicTenant";
 
-    private static final ThreadLocal<String> TEMP_DYNAMIC_TENANT = new TransmittableThreadLocal<>();
+    private static final ThreadLocal<Long> TEMP_DYNAMIC_TENANT = new TransmittableThreadLocal<>();
 
     /**
      * 租户功能是否启用
@@ -62,7 +64,7 @@ public class TenantHelper {
      * <p>
      * 如果为非web环境 那么只在当前线程内生效
      */
-    public static void setDynamic(String tenantId) {
+    public static void setDynamic(Long tenantId) {
         if (!SpringMVCUtil.isWeb()) {
             TEMP_DYNAMIC_TENANT.set(tenantId);
             return;
@@ -77,13 +79,13 @@ public class TenantHelper {
      * <p>
      * 如果为非web环境 那么只在当前线程内生效
      */
-    public static String getDynamic() {
+    public static Long getDynamic() {
         if (!SpringMVCUtil.isWeb()) {
             return TEMP_DYNAMIC_TENANT.get();
         }
         String cacheKey = DYNAMIC_TENANT_KEY + ":" + LoginHelper.getUserId();
-        String tenantId = (String) SaHolder.getStorage().get(cacheKey);
-        if (StringUtils.isNotBlank(tenantId)) {
+        Long tenantId = (Long) SaHolder.getStorage().get(cacheKey);
+        if (Objects.isNull(tenantId)) {
             return tenantId;
         }
         tenantId = RedisUtils.getCacheObject(cacheKey);
@@ -107,9 +109,9 @@ public class TenantHelper {
     /**
      * 获取当前租户id(动态租户优先)
      */
-    public static String getTenantId() {
-        String tenantId = TenantHelper.getDynamic();
-        if (StringUtils.isBlank(tenantId)) {
+    public static Long getTenantId() {
+        Long tenantId = Long.valueOf(TenantHelper.getDynamic());
+        if (Objects.isNull(tenantId)) {
             tenantId = LoginHelper.getTenantId();
         }
         return tenantId;
diff --git a/iot-common-tenant/src/main/java/cc/iotkit/common/tenant/listener/TenantListener.java b/iot-common-tenant/src/main/java/cc/iotkit/common/tenant/listener/TenantListener.java
index 3586ccd..adda6a7 100755
--- a/iot-common-tenant/src/main/java/cc/iotkit/common/tenant/listener/TenantListener.java
+++ b/iot-common-tenant/src/main/java/cc/iotkit/common/tenant/listener/TenantListener.java
@@ -33,6 +33,7 @@ import lombok.extern.slf4j.Slf4j;
 import javax.persistence.PrePersist;
 import javax.persistence.PreRemove;
 import javax.persistence.PreUpdate;
+import java.util.Objects;
 
 /**
  * 类描述...
@@ -48,12 +49,12 @@ public class TenantListener {
     @PreRemove
     @PrePersist
     public void setTenant(TenantAware entity) {
-        String tenantId = LoginHelper.getTenantId();
-        String dynamic = TenantHelper.getDynamic();
-        if (StringUtils.isNotBlank(dynamic)) {
+        Long tenantId = LoginHelper.getTenantId();
+        Long dynamic = TenantHelper.getDynamic();
+        if (!Objects.isNull(dynamic)) {
             tenantId = dynamic;
         }
-        if (!"000000".equals(tenantId) && tenantId != null) {
+        if ( tenantId != null) {
             entity.setTenantId(tenantId);
         }
     }
diff --git a/iot-common-web/src/main/java/cc/iotkit/common/web/interceptor/TenantInterceptor.java b/iot-common-web/src/main/java/cc/iotkit/common/web/interceptor/TenantInterceptor.java
index 878b92b..8bbdc84 100755
--- a/iot-common-web/src/main/java/cc/iotkit/common/web/interceptor/TenantInterceptor.java
+++ b/iot-common-web/src/main/java/cc/iotkit/common/web/interceptor/TenantInterceptor.java
@@ -45,7 +45,7 @@ public class TenantInterceptor implements HandlerInterceptor {
     @Override
     public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) {
         if (request.getHeader(TENANT_ID) != null) {
-            String tenantId = request.getHeader(TENANT_ID);
+            Long tenantId = Long.valueOf(request.getHeader(TENANT_ID));
             SaHolder.getStorage().set("tenantId", tenantId);
         }
         return true;