diff --git a/01-TestCase/tsg_adc/multi_step/a_Deny_Dns_Tests.robot b/01-TestCase/tsg_adc/multi_step/a_Deny_Dns_Tests.robot
new file mode 100644
index 0000000..3eeb0fc
--- /dev/null
+++ b/01-TestCase/tsg_adc/multi_step/a_Deny_Dns_Tests.robot
@@ -0,0 +1,57 @@
+*** Settings ***
+Force Tags        tsg_adc_wp    adc_api    security_policy
+Library           OperatingSystem
+Resource          ../../../02-Keyword/tsg_adc/SystemCommand.robot
+Resource          ../../../02-Keyword/tsg_bfapi/PolicyObject.robot
+Resource          ../../../02-Keyword/tsg_bfapi/LogVariable.robot
+Resource          ../../../02-Keyword/tsg_adc/FileOperation.robot
+Resource          ../../../02-Keyword/tsg_adc/FileOperation.robot
+
+*** Test Cases ***
+SecurityPolicy-Deny-Dns-00001
+    [Tags]    fqdn
+    Comment    创建fqdn
+    ${objectDict}    Create Dictionary    objectType=fqdn    isValid=${1}    addItemList=$www.facebook.com,*ok.ru
+    ${rescode}    ${objectId}    AddObject2    ${1}    ${objectDict}
+    Comment    创建安全策略
+    ${policyDict}    Create Dictionary    policyName=SecurityPolicy-Deny-Dns-00001    policyType=tsg_security    policyDesc=autotest    action=deny    userRegion={"protocol":"DNS","method":"drop"}    referenceObject=${objectId}|TSG_FIELD_DNS_QNAME    isValid=${1}    appObjectIdArray=4
+    log    ${policyDict}
+    ${rescode}    ${policyId}    AddPolicy2    ${1}    ${policyDict}
+    insert_policyId_to_file1    deny_dns_objectId    ${objectId}
+    insert_policyId_to_file1    deny_dns_policyId    ${policyId}
+
+SecurityPolicy-Deny-Dns-00002
+    [Tags]    cat
+    Comment    创建cat
+    ${objectDict}    Create Dictionary    objectType=fqdn_category    isValid=${1}    addItemList=*yhd.com,$www.vk.com
+    ${rescode}    ${objectId}    AddObject2    ${1}    ${objectDict}
+    Comment    创建安全策略
+    ${policyDict}    Create Dictionary    policyName=SecurityPolicy-Deny-Dns-00002    policyType=tsg_security    policyDesc=autotest    action=deny    userRegion={"protocol":"DNS","method":"redirect","resolution":[{"qtype":"A","answer":[{"atype":"CNAME","value":"www.jd.com","ttl":{"min":500,"max":500}},{"atype":"A","value":"192.168.41.186","ttl":{"min":300,"max":300}}]}]}    referenceObject=${objectId}|TSG_FIELD_DNS_QNAME    isValid=${1}    appObjectIdArray=4
+    log    ${policyDict}
+    ${rescode}    ${policyId}    AddPolicy2    ${1}    ${policyDict}
+    insert_policyId_to_file1    deny_dns_objectId1    ${objectId}
+    insert_policyId_to_file1    deny_dns_policyId1    ${policyId}
+
+SecurityPolicy-Deny-Dns-00003
+    [Tags]    cat
+    Comment    创建cat
+    ${objectDict}    Create Dictionary    objectType=fqdn_category    isValid=${1}    addItemList=*ya.ru
+    ${rescode}    ${objectId}    AddObject2    ${1}    ${objectDict}
+    Comment    创建安全策略
+    ${policyDict}    Create Dictionary    policyName=SecurityPolicy-Deny-Dns-00003    policyType=tsg_security    policyDesc=autotest    action=deny    userRegion={"protocol":"DNS","method":"redirect","resolution":[{"qtype":"AAAA","answer":[{"atype":"AAAA","value":"fc00::2:11","ttl":{"min":400,"max":400}},{"atype":"CNAME","value":"www.taobao.com","ttl":{"min":600,"max":600}}]}]}    referenceObject=${objectId}|TSG_FIELD_DNS_QNAME    isValid=${1}    appObjectIdArray=4
+    log    ${policyDict}
+    ${rescode}    ${policyId}    AddPolicy2    ${1}    ${policyDict}
+    insert_policyId_to_file1    deny_dns_objectId2    ${objectId}
+    insert_policyId_to_file1    deny_dns_policyId2    ${policyId}
+
+SecurityPolicy-Deny-Dns-00004
+    [Tags]    最大重定向
+    Comment    创建fqdn
+    ${objectDict}    Create Dictionary    objectType=fqdn    isValid=${1}    addItemList=*youtube.com
+    ${rescode}    ${objectId}    AddObject2    ${1}    ${objectDict}
+    Comment    创建安全策略
+    ${policyDict}    Create Dictionary    policyName=SecurityPolicy-Deny-Dns-00004    policyType=tsg_security    policyDesc=autotest    action=deny    userRegion={"protocol":"DNS","method":"redirect","resolution":[{"answer":[{"atype":"AAAA","value":"fc00::2:22","ttl":{"min":400,"max":400}},{"atype":"CNAME","value":"www.facebook.com","ttl":{"min":400,"max":400}}],"qtype":"AAAA"},{"qtype":"A","answer":[{"atype":"CNAME","value":"www.ok.ru","ttl":{"min":400,"max":400}},{"atype":"A","value":"192.168.40.110","ttl":{"min":400,"max":400}}]}]}    referenceObject=${objectId}|TSG_FIELD_DNS_QNAME    isValid=${1}    appObjectIdArray=4
+    log    ${policyDict}
+    ${rescode}    ${policyId}    AddPolicy2    ${1}    ${policyDict}
+    insert_policyId_to_file1    deny_dns_objectId3    ${objectId}
+    insert_policyId_to_file1    deny_dns_policyId3    ${policyId}