diff --git a/frontend/src/mock/mock-seed/data-cleansing.cjs b/frontend/src/mock/mock-seed/data-cleansing.cjs
index 4161891..74d5c83 100644
--- a/frontend/src/mock/mock-seed/data-cleansing.cjs
+++ b/frontend/src/mock/mock-seed/data-cleansing.cjs
@@ -10,6 +10,7 @@ function operatorItem() {
     inputs: Mock.Random.integer(1, 5),
     outputs: Mock.Random.integer(1, 5),
     settings: JSON.stringify({
+      host: { type: "input", name: "主机地址", defaultVal: "localhost" },
       fileLength: {
         name: "文档字数",
         description:
@@ -20,14 +21,28 @@ function operatorItem() {
         max: 10000000000000000,
         step: 1,
       },
-      host: { type: "input", name: "主机地址", defaultVal: "localhost" },
-      limit: {
+      range: {
         type: "range",
         name: "读取行数",
-        defaultVal: [1000, 2000],
-        min: 100,
-        max: 10000,
-        step: 100,
+        description: "某个词的统计数/文档总词数 > 设定值，该文档被去除。",
+        properties: [
+          {
+            name: "起始行",
+            type: "inputNumber",
+            defaultVal: 1000,
+            min: 100,
+            max: 10000,
+            step: 1,
+          },
+          {
+            name: "结束行",
+            type: "inputNumber",
+            defaultVal: 2000,
+            min: 100,
+            max: 10000,
+            step: 1,
+          },
+        ],
       },
       filepath: { type: "input", name: "文件路径", defaultVal: "/path" },
       encoding: {
@@ -428,7 +443,7 @@ module.exports = function (router) {
     const { id } = req.params;
     const operator = operatorList.find((op) => op.id === id);
     console.log("获取算子详情：", id, operator);
-    
+
     if (operator) {
       // 增加浏览次数模拟
       operator.viewCount = (operator.viewCount || 0) + 1;
diff --git a/frontend/src/pages/DataCleansing/Create/components/ParamConfig.tsx b/frontend/src/pages/DataCleansing/Create/components/ParamConfig.tsx
index 30f5c87..93a44d8 100644
--- a/frontend/src/pages/DataCleansing/Create/components/ParamConfig.tsx
+++ b/frontend/src/pages/DataCleansing/Create/components/ParamConfig.tsx
@@ -25,7 +25,17 @@ const ParamConfig: React.FC<ParamConfigProps> = ({
   onParamChange,
 }) => {
   if (!param) return null;
-  const [value, setValue] = React.useState(param.value || param.defaultVal);
+  let defaultVal: any = param.defaultVal;
+  if (param.type === "range") {
+    
+    defaultVal = Array.isArray(param.defaultVal)
+      ? param.defaultVal
+      : [
+          param?.properties?.[0]?.defaultVal,
+          param?.properties?.[1]?.defaultVal,
+        ];
+  }
+  const [value, setValue] = React.useState(param.value || defaultVal);
   const updateValue = (newValue: any) => {
     setValue(newValue);
     return onParamChange && onParamChange(operator.id, paramKey, newValue);
@@ -139,8 +149,9 @@ const ParamConfig: React.FC<ParamConfigProps> = ({
         </Form.Item>
       );
     case "range": {
-      const min = param.min || 0;
-      const max = param.max || 100;
+      const min = param.min || param?.properties?.[0]?.min || 0;
+      const max = param.max || param?.properties?.[0]?.max || 1;
+      const step = param.step || param?.properties?.[0]?.step || 0.1;
       return (
         <Form.Item
           label={param.name}
@@ -154,8 +165,8 @@ const ParamConfig: React.FC<ParamConfigProps> = ({
             }
             range
             min={min}
-            max={max}
-            step={param.step || 1}
+            max={max }
+            step={step}
             className="w-full"
           />
           <Space>