diff --git a/frontend/src/business/components/api/definition/components/step/addStepContainer.vue b/frontend/src/business/components/api/definition/components/step/addStepContainer.vue
index 3c091116d2..ca54ade2e2 100644
--- a/frontend/src/business/components/api/definition/components/step/addStepContainer.vue
+++ b/frontend/src/business/components/api/definition/components/step/addStepContainer.vue
@@ -1,7 +1,7 @@
 <template>
   <div>
     <p>
-      <el-select v-model="operateModel" size="mini" class="ms-select-step">
+      <el-select v-model="operateModel" size="small" class="ms-select-step">
         <el-option
           v-for="item in operates"
           :key="item.id"
@@ -10,8 +10,17 @@
         </el-option>
       </el-select>
 
+      <el-select v-model="operateSubModel" size="small" class="ms-select-step" v-if="subOperates">
+        <el-option
+          v-for="item in subOperates"
+          :key="item.value"
+          :label="item.label"
+          :value="item.value">
+        </el-option>
+      </el-select>
+
       <el-button
-        size="mini"
+        size="small"
         type="primary"
         @click="add">
         {{ $t('api_test.request.assertions.add') }}
@@ -25,10 +34,12 @@
 
 <script>
 
+const requireComponent = require.context('@/business/components/xpack/', true, /\.js$/);
+const CMD_CONSTANTS = requireComponent.keys().length > 0 ? requireComponent("./ui/definition/command/cmd-constants-utils.js") : {};
+
 export default {
   name: "addStepContainer",
-  components: {
-  },
+  components: {},
   props: {
     showButton: {
       type: Boolean,
@@ -39,7 +50,10 @@ export default {
   },
   data() {
     return {
-      operateModel: ''
+      operateModel: '',
+      //数据提取或者断言的子分类模型
+      operateSubModel: '',
+      subOperates: null,
     }
   },
   created() {
@@ -48,10 +62,30 @@ export default {
   watch: {
     operateModel() {
       this.$emit('update:operate', this.operateModel);
+      this.operateSubModel = null;
+      if (this.operateModel == "cmdExtraction") {
+        this.subOperates = null;
+      } else if (this.operateModel == "cmdValidation") {
+        this.subOperates = null;
+      } else if (this.operateModel == "cmdExtractElement") {
+        this.subOperates = CMD_CONSTANTS.EXTRACT_ELEMENT_OPTIONS
+      } else if (this.operateModel == "cmdExtractWindow") {
+        this.subOperates = CMD_CONSTANTS.EXTRACT_WINDOW_OPTIONS;
+      }
+    },
+    operateSubModel() {
+      this.$emit('update:operate', this.operateSubModel);
     }
   },
   methods: {
     add() {
+      if (this.subOperates && this.subOperates.length && !this.operateSubModel) {
+        this.$message({
+          message: this.$t('ui.check_subitem'),
+          type: 'error'
+        });
+        return;
+      }
       this.$emit('add');
     }
   }
diff --git a/frontend/src/i18n/en-US.js b/frontend/src/i18n/en-US.js
index d87cacbdf2..a4507ea469 100644
--- a/frontend/src/i18n/en-US.js
+++ b/frontend/src/i18n/en-US.js
@@ -3295,6 +3295,54 @@ export default {
     treatment_method: "Treatment method",
     scenario_steps: "Scenario steps",
     basic_information: "Basic information",
-    check_element: "Please select the elements"
+    check_element: "Please select the elements",
+    selenium_tip: "Support Selenium-IDE format",
+    selenium_export_tip: "Export side format",
+    elementObject: "Element Object",
+    elementLocator: "Element Locator",
+    elementType: "Element Type",
+    not_selected: "(Not Selected)",
+    not_selected_location: "(Not Selected Location)",
+    location: "Location",
+    run: "Run",
+    locate_type: "Locate Type",
+    coord: "Coord",
+    enable_or_not: "Enable/Disable",
+    enable: "Enable",
+    disable: "Disable",
+    resolution: "resolution",
+    ignore_fail: "ignore fail",
+    not_ignore_fail: "not ignore fail",
+    cmdValidation: "Assert",
+    cmdValidateValue: "Assert Value",
+    cmdValidateText: "Assert Text",
+    cmdValidateDropdown: "Assert Dropdown",
+    cmdValidateElement: "Assert Element",
+    cmdValidateTitle: "Assert Title",
+    cmdOpen: "Open",
+    cmdSelectWindow: "Select Window",
+    cmdSetWindowSize: "Set Window Size",
+    cmdSelectFrame: "Select Frame",
+    cmdDialog: "Dialog Operation",
+    cmdDropdownBox: "Dropdown Operation",
+    submit: "submit",
+    cmdSetItem: "Set Item",
+    cmdWaitElement: "Wait Element",
+    cmdInput: "Input",
+    cmdMouseClick: "Mouse Click",
+    cmdMouseMove: "Mouse Move",
+    cmdMouseDrag: "Mouse Drag",
+    cmdTimes: "Times",
+    cmdForEach: "ForEach",
+    cmdWhile: "While",
+    cmdIf: "If",
+    cmdElse: "Else",
+    cmdElseIf: "ElseIf",
+    close: "close",
+    cmdExtraction: "Extraction",
+    cmdExtractWindow: "Extract window",
+    cmdExtractElement: "Extract Element",
+    valiate_fail: "Validate fail",
+    check_subitem: 'check subitem'
   }
 };
diff --git a/frontend/src/i18n/zh-CN.js b/frontend/src/i18n/zh-CN.js
index c23c2d3df8..2676af81a3 100644
--- a/frontend/src/i18n/zh-CN.js
+++ b/frontend/src/i18n/zh-CN.js
@@ -3351,6 +3351,7 @@ export default {
     treatment_method: "处理方式",
     scenario_steps: "场景步骤",
     basic_information: "基础信息",
-    check_element: "请勾选元素"
+    check_element: "请勾选元素",
+    check_subitem: '请选择子分类',
   }
 };
diff --git a/frontend/src/i18n/zh-TW.js b/frontend/src/i18n/zh-TW.js
index 68c710054b..d4831cf661 100644
--- a/frontend/src/i18n/zh-TW.js
+++ b/frontend/src/i18n/zh-TW.js
@@ -3298,6 +3298,7 @@ export default {
     treatment_method: "處理方式",
     scenario_steps: "場景步驟",
     basic_information: "基礎信息",
-    check_element: "請勾選元素"
+    check_element: "請勾選元素",
+    check_subitem: '請選擇子分類',
   }
 };