diff --git a/frontend/src/views/api-test/components/paramTable.vue b/frontend/src/views/api-test/components/paramTable.vue
index 55600895fd..4e30a30bab 100644
--- a/frontend/src/views/api-test/components/paramTable.vue
+++ b/frontend/src/views/api-test/components/paramTable.vue
@@ -926,12 +926,14 @@
           }
           return item;
         });
+        const { lastDataIsDefault } = filterKeyValParams(arr, defaultLineData.value, false);
         if (
-          !props.disabledExceptParam &&
-          !props.disabledParamValue &&
-          hasNoIdItem &&
-          !filterKeyValParams(arr, defaultLineData.value, !props.selectable).lastDataIsDefault &&
-          !props.isTreeTable
+          (arr.length === 1 && !lastDataIsDefault) ||
+          (hasNoIdItem &&
+            !props.disabledExceptParam &&
+            !props.disabledParamValue &&
+            !lastDataIsDefault &&
+            !props.isTreeTable)
         ) {
           addTableLine(arr.length - 1, false, true);
         }
diff --git a/frontend/src/views/api-test/components/utils.ts b/frontend/src/views/api-test/components/utils.ts
index 1b52416ec0..1cdddcf838 100644
--- a/frontend/src/views/api-test/components/utils.ts
+++ b/frontend/src/views/api-test/components/utils.ts
@@ -173,7 +173,7 @@ export function filterKeyValParams<T>(
   const defaultParam = cloneDeep(defaultParamItem);
   if (!lastData || !defaultParam) {
     return {
-      lastDataIsDefault: false,
+      lastDataIsDefault: true,
       validParams: params,
     };
   }
diff --git a/frontend/src/views/case-management/caseManagementFeature/components/utils.ts b/frontend/src/views/case-management/caseManagementFeature/components/utils.ts
index 2ad73784ce..f1b6c74c30 100644
--- a/frontend/src/views/case-management/caseManagementFeature/components/utils.ts
+++ b/frontend/src/views/case-management/caseManagementFeature/components/utils.ts
@@ -234,7 +234,7 @@ export function initFormCreate(customFields: CustomAttributes[], permission: str
       currentDefaultValue = item.defaultValue;
       // 处理多选情况
     } else if (multipleType.includes(item.type)) {
-      const tempValue = JSON.parse(item.defaultValue);
+      const tempValue = typeof item.defaultValue === 'string' ? JSON.parse(item.defaultValue) : item.defaultValue;
       const optionsIds = optionsValue.map((e: any) => e.value);
       currentDefaultValue = (optionsIds || []).filter((e: any) => tempValue.includes(e));
     } else if (memberType.includes(item.type)) {
@@ -248,7 +248,7 @@ export function initFormCreate(customFields: CustomAttributes[], permission: str
         // @desc 如果默认原本的成员被系统移除则过滤掉该用户不展示
         const optionsIds = optionsValue.map((e: any) => e.value);
         if (item.type === 'MULTIPLE_MEMBER') {
-          const tempValue = JSON.parse(item.defaultValue);
+          const tempValue = typeof item.defaultValue === 'string' ? JSON.parse(item.defaultValue) : item.defaultValue;
           currentDefaultValue = (optionsIds || []).filter((e: any) => tempValue.includes(e));
         } else {
           currentDefaultValue = (optionsIds || []).find((e: any) => item.defaultValue === e) || '';