fix:测试跟踪-测试用例下拉框-创建用例，会提示没项目

frontend/src/business/components/track/case/TestCase.vue

@@ -260,9 +260,14 @@ export default {
           this.$warning(this.$t('commons.check_project_tip'));
           return;
         }
-/*
-        this.openRecentTestCaseEditDialog(caseId);
-*/
+        if (caseId) {
+          this.$get('test/case/get/' + caseId, response => {
+            let testCase = response.data;
+            this.editTestCase(testCase)
+          });
+        } else {
+          this.addTab({name: 'add'});
+        }
         this.$router.push('/track/case/all');
       }
     },

frontend/src/business/components/track/case/components/TestCaseEdit.vue

@@ -551,7 +551,11 @@ export default {
       let tmp = {};
       Object.assign(tmp, testCase);
       tmp.steps = JSON.parse(testCase.steps);
+      if (tmp.steps == null) {
+        tmp.steps = []
+      }
       Object.assign(this.form, tmp);
+
       this.form.module = testCase.nodeId;
       this.getFileMetaData(testCase);
     },
@@ -964,4 +968,11 @@ export default {
   width: 100%;
 }
 
+/deep/ .el-button-group > .el-button:first-child {
+  border-top-right-radius: 0;
+  border-bottom-right-radius: 0;
+  height: 32px;
+  width: 56px;
+}
+
 </style>