diff --git a/api/v1/fault_tolerance/circuitbreaker.proto b/api/v1/fault_tolerance/circuitbreaker.proto
index 97d51238..1355a9ce 100644
--- a/api/v1/fault_tolerance/circuitbreaker.proto
+++ b/api/v1/fault_tolerance/circuitbreaker.proto
@@ -224,7 +224,8 @@ message RuleMatcher {
   message DestinationService {
     string service = 1;
     string namespace = 2;
-    MatchString method = 3;
+    // deprecated_filed  using api.path in blockConfig instead
+    MatchString method = 3 [deprecated = true];
   }
   SourceService source = 1;
   DestinationService destination = 2;
@@ -268,10 +269,10 @@ message CircuitBreakerRule {
   Level level = 21;
   // match condition for this rule
   RuleMatcher rule_matcher = 22;
-  // error conditions to judge an invocation as an error
-  repeated ErrorCondition error_conditions = 23;
-  // trigger condition to trigger circuitbreaking
-  repeated TriggerCondition trigger_condition = 24;
+  // deprecated_filed error conditions to judge an invocation as an error
+  repeated ErrorCondition error_conditions = 23 [deprecated = true];
+  // deprecated_filed trigger condition to trigger circuitbreaking
+  repeated TriggerCondition trigger_condition = 24 [deprecated = true];
   // the maximum % of an upstream cluster that can be ejected
   uint32 max_ejection_percent = 25;
   // recover condition to make resource open to close
@@ -280,6 +281,10 @@ message CircuitBreakerRule {
   FaultDetectConfig faultDetectConfig = 27;
   // fall back configuration
   FallbackConfig fallbackConfig = 28;
+  // list for block configuration
+  repeated BlockConfig block_configs = 29 [ json_name = "block_configs" ];
+  // priority rules priority
+  uint32 priority = 30 [ json_name = "priority" ];
 }
 
 // the condition to judge an input invocation as an error
@@ -307,6 +312,7 @@ message TriggerCondition {
   uint32 minimum_request = 5;
 }
 
+// circuitbreaking OPEN status recover
 message RecoverCondition {
   // seconds from open to half-open
   uint32 sleep_window = 1;
@@ -314,15 +320,18 @@ message RecoverCondition {
   uint32 consecutiveSuccess = 2;
 }
 
+// fault detect config within circuitbreaking
 message FaultDetectConfig {
   bool enable = 1;
 }
 
+// fallback config
 message FallbackConfig {
   bool enable = 1;
   FallbackResponse response = 2;
 }
 
+// fallback response
 message FallbackResponse {
   int32 code = 1;
   message MessageHeader {
@@ -331,4 +340,15 @@ message FallbackResponse {
   }
   repeated MessageHeader headers = 2;
   string body = 3;
+}
+
+// blocking strategy
+message BlockConfig {
+  string name = 1 [ json_name = "name" ];
+  // blocking target api
+  API api = 2 [ json_name = "api" ];
+  // conditions to judge an invocation as an error
+  repeated ErrorCondition error_conditions = 3 [ json_name = "error_conditions" ];
+  // trigger condition to trigger circuitbreaking
+  repeated TriggerCondition trigger_conditions = 4 [ json_name = "trigger_conditions" ];
 }
\ No newline at end of file
diff --git a/api/v1/fault_tolerance/fault_detector.proto b/api/v1/fault_tolerance/fault_detector.proto
index a2baa7ea..e03889f9 100644
--- a/api/v1/fault_tolerance/fault_detector.proto
+++ b/api/v1/fault_tolerance/fault_detector.proto
@@ -36,7 +36,9 @@ message FaultDetectRule {
   message DestinationService {
     string service = 1;
     string namespace = 2;
-    MatchString method = 3;
+    // deprecated_filed  use api.path instead
+    MatchString method = 3 [deprecated = true];
+    API api = 4;
   }
   // detect target
   DestinationService target_service = 21;
@@ -60,6 +62,8 @@ message FaultDetectRule {
   TcpProtocolConfig tcp_config = 27;
   // udp detect config
   UdpProtocolConfig udp_config = 28;
+  // priority rules priority
+  uint32 priority = 29 [ json_name = "priority" ];
 }
 
 message HttpProtocolConfig {
diff --git a/api/v1/model/model.proto b/api/v1/model/model.proto
index 6677db2a..b24d8547 100644
--- a/api/v1/model/model.proto
+++ b/api/v1/model/model.proto
@@ -59,3 +59,13 @@ message ClientLabel {
   string key = 1;
   MatchString value = 2;
 }
+
+// API统一数据结构
+message API {
+  // API的协议，*或者为空代表全部
+  string protocol = 1 [ json_name = "protocol" ];
+  // API的方法，*或者为空代表全部
+  string method = 2 [ json_name = "method" ];
+  // API的路径，支持多种匹配方式
+  MatchString path = 3 [ json_name = "path" ];
+}
\ No newline at end of file
diff --git a/api/v1/traffic_manage/routing.proto b/api/v1/traffic_manage/routing.proto
index a942b833..de8f404d 100644
--- a/api/v1/traffic_manage/routing.proto
+++ b/api/v1/traffic_manage/routing.proto
@@ -180,11 +180,11 @@ message NearbyRoutingConfig {
 // RuleRoutingConfig routing configuration
 message RuleRoutingConfig {
   // source source info
-  // deprecated: only for compatible to the old version server
-  repeated SourceService sources = 1;
+  // deprecated_filed  only for compatible to the old version server
+  repeated SourceService sources = 1 [deprecated = true];
   // destination destinations info
-  // deprecated: only for compatible to the old version server
-  repeated DestinationGroup destinations = 2;
+  // deprecated_filed  only for compatible to the old version server
+  repeated DestinationGroup destinations = 2 [deprecated = true];
   // rule route chain
   repeated SubRuleRouting rules = 3;
 }
@@ -260,6 +260,8 @@ message SourceMatch {
     PATH = 5;
     // cookie match http cookie
     COOKIE = 6;
+    // indicate the caller instance metadata
+    CALLER_METADATA = 7;
   }
   Type type = 1;
   // header key or query key