diff --git a/backend/src/main/java/io/metersphere/api/service/ApiAutomationService.java b/backend/src/main/java/io/metersphere/api/service/ApiAutomationService.java
index 21b416fb4e..498e178e37 100644
--- a/backend/src/main/java/io/metersphere/api/service/ApiAutomationService.java
+++ b/backend/src/main/java/io/metersphere/api/service/ApiAutomationService.java
@@ -242,12 +242,16 @@ public class ApiAutomationService {
                 JSONObject element = JSON.parseObject(item.getScenarioDefinition());
                 MsScenario scenario = JSONObject.parseObject(item.getScenarioDefinition(), MsScenario.class);
                 // 多态JSON普通转换会丢失内容，需要通过 ObjectMapper 获取
-                LinkedList<MsTestElement> elements = mapper.readValue(element.getString("hashTree"),
-                        new TypeReference<LinkedList<MsTestElement>>() {});
-                LinkedList<KeyValue> variables = mapper.readValue(element.getString("variables"),
-                        new TypeReference<LinkedList<KeyValue>>() {});
-                scenario.setHashTree(elements);
-                scenario.setVariables(variables);
+                if (StringUtils.isNotEmpty(element.getString("hashTree"))) {
+                    LinkedList<MsTestElement> elements = mapper.readValue(element.getString("hashTree"),
+                            new TypeReference<LinkedList<MsTestElement>>() {});
+                    scenario.setHashTree(elements);
+                }
+                if (StringUtils.isNotEmpty(element.getString("variables"))) {
+                    LinkedList<KeyValue> variables = mapper.readValue(element.getString("variables"),
+                            new TypeReference<LinkedList<KeyValue>>() {});
+                    scenario.setVariables(variables);
+                }
                 LinkedList<MsTestElement> scenarios = new LinkedList<>();
                 scenarios.add(scenario);
                 group.setHashTree(scenarios);
diff --git a/frontend/src/business/components/api/definition/ApiDefinition.vue b/frontend/src/business/components/api/definition/ApiDefinition.vue
index 1c07087dfd..a3d9095a71 100644
--- a/frontend/src/business/components/api/definition/ApiDefinition.vue
+++ b/frontend/src/business/components/api/definition/ApiDefinition.vue
@@ -154,7 +154,10 @@
         }
       },
       handleTabAdd(e) {
-        let api = {status: "Underway", method: "GET", userId: getCurrentUser().id, url: "", protocol: this.currentProtocol};
+        let api = {
+          status: "Underway", method: "GET", userId: getCurrentUser().id,
+          url: "", protocol: this.currentProtocol, environmentId: ""
+        };
         this.handleTabsEdit(this.$t('api_test.definition.request.title'), e, api);
       },
       handleTabClose() {
diff --git a/frontend/src/business/components/api/definition/components/ApiCaseList.vue b/frontend/src/business/components/api/definition/components/ApiCaseList.vue
index f1b056d9ef..3fbb20dad8 100644
--- a/frontend/src/business/components/api/definition/components/ApiCaseList.vue
+++ b/frontend/src/business/components/api/definition/components/ApiCaseList.vue
@@ -29,7 +29,7 @@
                   </div>
 
                   <label class="ms-api-label">{{$t('test_track.case.priority')}}</label>
-                  <el-select size="small" v-model="item.priority" class="ms-api-select">
+                  <el-select size="small" v-model="item.priority" class="ms-api-select" @change="changePriority(item)">
                     <el-option v-for="grd in priorities" :key="grd.id" :label="grd.name" :value="grd.id"/>
                   </el-select>
                 </el-col>
@@ -57,11 +57,11 @@
 
                 <el-col :span="4">
                   <ms-tip-button @click="singleRun(item)" :tip="$t('api_test.run')" icon="el-icon-video-play"
-                                 style="background-color: #409EFF;color: white" size="mini" circle/>
+                                 style="background-color: #409EFF;color: white" size="mini" :disabled="item.type=='create'" circle/>
                   <ms-tip-button @click="copyCase(item)" :tip="$t('commons.copy')" icon="el-icon-document-copy"
-                                 size="mini" circle/>
+                                 size="mini" :disabled="item.type=='create'" circle/>
                   <ms-tip-button @click="deleteCase(index,item)" :tip="$t('commons.delete')" icon="el-icon-delete"
-                                 size="mini" circle/>
+                                 size="mini" :disabled="item.type=='create'" circle/>
                   <ms-api-extend-btns :row="item"/>
                 </el-col>
 
@@ -222,7 +222,6 @@
           this.$warning(this.$t('api_test.environment.select_environment'));
           return;
         }
-        this.loading = true;
         if (this.apiCaseList.length > 0) {
           this.apiCaseList.forEach(item => {
             if (item.type != "create") {
@@ -231,9 +230,13 @@
               this.runData.push(item.request);
             }
           })
-          this.loading = true;
-          /*触发执行操作*/
-          this.reportId = getUUID().substring(0, 8);
+          if (this.runData.length > 0) {
+            this.loading = true;
+            /*触发执行操作*/
+            this.reportId = getUUID().substring(0, 8);
+          } else {
+            this.$warning("没有可执行的用例！");
+          }
         } else {
           this.$warning("没有可执行的用例！");
         }
@@ -343,6 +346,11 @@
           return true;
         }
       },
+      changePriority(row) {
+        if (row.type != 'create') {
+          this.saveTestCase(row);
+        }
+      },
       saveTestCase(row) {
         if (this.validate(row)) {
           return;
diff --git a/frontend/src/business/components/api/definition/components/ApiConfig.vue b/frontend/src/business/components/api/definition/components/ApiConfig.vue
index e9e1ae765b..1df8d46921 100644
--- a/frontend/src/business/components/api/definition/components/ApiConfig.vue
+++ b/frontend/src/business/components/api/definition/components/ApiConfig.vue
@@ -64,7 +64,11 @@
           break;
       }
       if (this.currentApi.response != null && this.currentApi.response != 'null' && this.currentApi.response != undefined) {
-        this.response = new ResponseFactory(JSON.parse(this.currentApi.response));
+        if (Object.prototype.toString.call(this.currentApi.response).match(/\[object (\w+)\]/)[1].toLowerCase() === 'object') {
+          this.response = this.currentApi.response;
+        } else {
+          this.response = new ResponseFactory(JSON.parse(this.currentApi.response));
+        }
       } else {
         this.response = {headers: [], body: new Body(), statusCode: [], type: "HTTP"};
       }
diff --git a/frontend/src/business/components/api/definition/components/case/ApiCaseHeader.vue b/frontend/src/business/components/api/definition/components/case/ApiCaseHeader.vue
index 78b9ddfcd6..8fe0bef3d9 100644
--- a/frontend/src/business/components/api/definition/components/case/ApiCaseHeader.vue
+++ b/frontend/src/business/components/api/definition/components/case/ApiCaseHeader.vue
@@ -48,7 +48,7 @@
         <el-col :span="3">
           <div class="ms-api-header-select">
             <el-input size="small" :placeholder="$t('api_test.definition.request.select_case')"
-                      v-model="condition.name" @blur="getApiTest"/>
+                      v-model="condition.name" @blur="getApiTest" @keyup.enter.native="getApiTest"/>
           </div>
         </el-col>
         <el-col :span="2">
diff --git a/frontend/src/business/components/api/definition/components/runtest/RunTestHTTPPage.vue b/frontend/src/business/components/api/definition/components/runtest/RunTestHTTPPage.vue
index c65a36cc60..1b2ba625bb 100644
--- a/frontend/src/business/components/api/definition/components/runtest/RunTestHTTPPage.vue
+++ b/frontend/src/business/components/api/definition/components/runtest/RunTestHTTPPage.vue
@@ -236,7 +236,7 @@
             let hasEnvironment = false;
             for (let i in this.environments) {
               if (this.environments[i].id === this.api.environmentId) {
-                this.api.environment = this.environments[i];
+                this.api.environmentId = this.environments[i];
                 hasEnvironment = true;
                 break;
               }
@@ -261,7 +261,8 @@
       environmentChange(value) {
         for (let i in this.environments) {
           if (this.environments[i].id === value) {
-            this.api.request.useEnvironment = this.environments[i].id;
+            this.api.environmentId = value;
+            this.api.request.useEnvironment = value;
             break;
           }
         }