diff --git a/ff-base/src/main/java/com/ff/base/system/service/impl/TenantSecretKeyServiceImpl.java b/ff-base/src/main/java/com/ff/base/system/service/impl/TenantSecretKeyServiceImpl.java
index 09ee360..0d6d20c 100644
--- a/ff-base/src/main/java/com/ff/base/system/service/impl/TenantSecretKeyServiceImpl.java
+++ b/ff-base/src/main/java/com/ff/base/system/service/impl/TenantSecretKeyServiceImpl.java
@@ -11,6 +11,7 @@ import com.ff.base.enums.LoginType;
 import com.ff.base.enums.OperationType;
 import com.ff.base.enums.QuotaType;
 import com.ff.base.exception.ServiceException;
+import com.ff.base.exception.base.BaseException;
 import com.ff.base.exception.user.UserPasswordNotMatchException;
 import com.ff.base.manager.AsyncManager;
 import com.ff.base.manager.factory.AsyncFactory;
@@ -218,6 +219,13 @@ public class TenantSecretKeyServiceImpl implements ITenantSecretKeyService {
         int insertedTenantSecretKey = this.insertTenantSecretKey(tenantSecretKey);
         if (insertedTenantSecretKey > 0) {
             for (TenantPlatform tenantPlatform : createTenantDTO.getTenantPlatforms()) {
+
+                TenantPlatform platformById = tenantPlatformService.selectTenantPlatformById(tenantPlatform.getId());
+                // 成本比平台成本大
+                if (platformById.getCost().compareTo(tenantPlatform.getCost())>0){
+                    throw new BaseException("成本比例不允许比最低比例小");
+                }
+
                 tenantPlatform.setTenantId(tenantSecretKey.getId());
                 tenantPlatform.setCreateBy(createTenantDTO.getAccount());
                 tenantPlatformService.insertTenantPlatform(tenantPlatform);