diff --git a/frontend/src/business/components/api/test/model/ScenarioModel.js b/frontend/src/business/components/api/test/model/ScenarioModel.js
index 87d2072c72..8498e34611 100644
--- a/frontend/src/business/components/api/test/model/ScenarioModel.js
+++ b/frontend/src/business/components/api/test/model/ScenarioModel.js
@@ -1,5 +1,6 @@
 import {
   Arguments,
+  ConstantTimer as JMXConstantTimer,
   CookieManager,
   DNSCacheManager,
   DubboSample,
@@ -10,22 +11,24 @@ import {
   HTTPSamplerArguments,
   HTTPsamplerFiles,
   HTTPSamplerProxy,
+  IfController as JMXIfController,
   JDBCDataSource,
   JDBCSampler,
   JSONPathAssertion,
   JSONPostProcessor,
+  JSR223Assertion,
   JSR223PostProcessor,
   JSR223PreProcessor,
   RegexExtractor,
   ResponseCodeAssertion,
   ResponseDataAssertion,
   ResponseHeadersAssertion,
+  TCPSampler,
   TestElement,
   TestPlan,
   ThreadGroup,
+  XPath2Assertion,
   XPath2Extractor,
-  IfController as JMXIfController,
-  ConstantTimer as JMXConstantTimer, TCPSampler, JSR223Assertion,
 } from "./JMX";
 import Mock from "mockjs";
 import {funcFilters} from "@/common/js/func-filter";
@@ -96,6 +99,7 @@ export const ASSERTION_TYPE = {
   JSON_PATH: "JSON",
   DURATION: "Duration",
   JSR223: "JSR223",
+  XPATH2: "XPath2",
 }
 
 export const ASSERTION_REGEX_SUBJECT = {
@@ -225,6 +229,7 @@ export class Scenario extends BaseConfig {
     this.enable = true;
     this.databaseConfigs = [];
     this.tcpConfig = undefined;
+    this.assertions = undefined;
 
     this.set(options);
     this.sets({
@@ -241,6 +246,7 @@ export class Scenario extends BaseConfig {
     options.databaseConfigs = options.databaseConfigs || [];
     options.dubboConfig = new DubboConfig(options.dubboConfig);
     options.tcpConfig = new TCPConfig(options.tcpConfig);
+    options.assertions = new Assertions(options.assertions);
     return options;
   }
 
@@ -741,10 +747,11 @@ export class Assertions extends BaseConfig {
     this.regex = [];
     this.jsonPath = [];
     this.jsr223 = [];
+    this.xpath2 = [];
     this.duration = undefined;
 
     this.set(options);
-    this.sets({text: Text, regex: Regex, jsonPath: JSONPath, jsr223: AssertionJSR223}, options);
+    this.sets({text: Text, regex: Regex, jsonPath: JSONPath, jsr223: AssertionJSR223, xpath2: XPath2}, options);
   }
 
   initOptions(options) {
@@ -826,6 +833,23 @@ export class JSONPath extends AssertionType {
   }
 }
 
+export class XPath2 extends AssertionType {
+  constructor(options) {
+    super(ASSERTION_TYPE.XPATH2);
+    this.expression = undefined;
+    this.description = undefined;
+    this.set(options);
+  }
+
+  // setJSONPathDescription() {
+  //   this.description = this.expression + " expect: " + (this.expect ? this.expect : '');
+  // }
+
+  isValid() {
+    return !!this.expression;
+  }
+}
+
 export class Duration extends AssertionType {
   constructor(options) {
     super(ASSERTION_TYPE.DURATION);
@@ -1132,6 +1156,9 @@ class JMXGenerator {
         this.addScenarioCookieManager(threadGroup, scenario);
 
         this.addJDBCDataSources(threadGroup, scenario);
+
+        this.addAssertion(threadGroup, scenario);
+
         scenario.requests.forEach(request => {
           if (request.enable) {
             if (!request.isValid()) return;
@@ -1156,7 +1183,7 @@ class JMXGenerator {
 
             this.addRequestExtractor(sampler, request);
 
-            this.addRequestAssertion(sampler, request);
+            this.addAssertion(sampler, request);
 
             this.addJSR223PreProcessor(sampler, request);
 
@@ -1179,16 +1206,25 @@ class JMXGenerator {
   }
 
   addEnvironments(environments, target) {
-    let keys = new Set();
+    let targetMap = new Map();
     target.forEach(item => {
-      keys.add(item.name);
+      if (item.name) {
+        targetMap.set(item.name, item.enable);
+      }
     });
     let envArray = environments;
     if (!(envArray instanceof Array)) {
       envArray = JSON.parse(environments);
     }
     envArray.forEach(item => {
-      if (item.enable !== false && item.name && !keys.has(item.name)) {
+      let targetItem = targetMap.get(item.name);
+      let hasItem;
+      if (targetItem) {
+        hasItem = (targetItem.enable !== false);
+      } else {
+        hasItem = false;
+      }
+      if (item.enable !== false && item.name && !hasItem) {
         target.push(new KeyValue({name: item.name, value: item.value}));
       }
     })
@@ -1292,7 +1328,10 @@ class JMXGenerator {
       if (!(scenario.environment.config instanceof Object)) {
         config = JSON.parse(scenario.environment.config);
       }
-      this.addEnvironments(config.httpConfig.headers, request.headers)
+      this.addEnvironments(config.httpConfig.headers, request.headers);
+      if (request.doMultipartPost) {
+        this.removeContentType(request);
+      }
     }
     let name = request.name + " Headers";
     this.addBodyFormat(request);
@@ -1384,6 +1423,17 @@ class JMXGenerator {
     }
   }
 
+  removeContentType(request) {
+    for (let index in request.headers) {
+      if (request.headers.hasOwnProperty(index)) {
+        if (request.headers[index].name === 'Content-Type' && request.headers[index].enable !== false) {
+          request.headers.splice(index, 1);
+          break;
+        }
+      }
+    }
+  }
+
   addRequestArguments(httpSamplerProxy, request) {
     let args = this.filterKV(request.parameters);
     if (args.length > 0) {
@@ -1425,7 +1475,7 @@ class JMXGenerator {
     httpSamplerProxy.add(new HTTPsamplerFiles(files));
   }
 
-  addRequestAssertion(httpSamplerProxy, request) {
+  addAssertion(httpSamplerProxy, request) {
     let assertions = request.assertions;
     if (assertions.regex.length > 0) {
       assertions.regex.filter(this.filter).forEach(regex => {
@@ -1439,6 +1489,12 @@ class JMXGenerator {
       })
     }
 
+    if (assertions.xpath2.length > 0) {
+      assertions.xpath2.filter(this.filter).forEach(item => {
+        httpSamplerProxy.put(this.getXpathAssertion(item));
+      })
+    }
+
     if (assertions.jsr223.length > 0) {
       assertions.jsr223.filter(this.filter).forEach(item => {
         httpSamplerProxy.put(this.getJSR223Assertion(item));
@@ -1461,6 +1517,11 @@ class JMXGenerator {
     return new JSR223Assertion(name, item);
   }
 
+  getXpathAssertion(item) {
+    let name = item.expression;
+    return new XPath2Assertion(name, item);
+  }
+
   getResponseAssertion(regex) {
     let name = regex.description;
     let type = JMX_ASSERTION_CONDITION.CONTAINS;