diff --git a/kh-modules/src/main/java/com/jero/modules/service/impl/KhOilRealtimeDataServiceImpl.java b/kh-modules/src/main/java/com/jero/modules/service/impl/KhOilRealtimeDataServiceImpl.java
index 68d1c938..6d2daf12 100644
--- a/kh-modules/src/main/java/com/jero/modules/service/impl/KhOilRealtimeDataServiceImpl.java
+++ b/kh-modules/src/main/java/com/jero/modules/service/impl/KhOilRealtimeDataServiceImpl.java
@@ -77,7 +77,7 @@ public class KhOilRealtimeDataServiceImpl extends ServiceImpl<KhOilRealtimeDataM
 		Integer[] arr = {0, 25, 50, 75, 100, 125, 150, 175, 200, 225, 250};
 		List<Integer> chartTwoX = Arrays.asList(arr);
 		List<Integer> chartTwoUp = RandomNumberUtil.generateFakeDataList(arr.length, Integer.class);
-		List<Integer> chartTwoDown = RandomNumberUtil.generateFakeDataList(arr.length, Integer.class);
+		List<Integer> chartTwoDown = this.getRandomMinusDataList(chartTwoUp);
 		chartTwo.put("X轴", chartTwoX);
 		chartTwo.put("上冲程", chartTwoUp);
 		chartTwo.put("下冲程", chartTwoDown);
@@ -85,7 +85,7 @@ public class KhOilRealtimeDataServiceImpl extends ServiceImpl<KhOilRealtimeDataM
 		Map<String, List<?>> chartThree = new HashMap<>();
 		List<String> chartThreeX = RandomNumberUtil.getLast30DaysFormattedDatesAscending();
 		List<Integer> charThreeMax = RandomNumberUtil.generateFakeDataList(chartThreeX.size(), Integer.class);
-		List<Integer> chartThreeMin = RandomNumberUtil.generateFakeDataList(chartThreeX.size(), Integer.class);
+		List<Integer> chartThreeMin = this.getRandomMinusDataList(charThreeMax);
 		chartThree.put("X轴", chartThreeX);
 		chartThree.put("最大载荷", charThreeMax);
 		chartThree.put("最小载荷", chartThreeMin);
@@ -93,5 +93,13 @@ public class KhOilRealtimeDataServiceImpl extends ServiceImpl<KhOilRealtimeDataM
 		return result;
 	}
 
+	private List<Integer> getRandomMinusDataList(List<Integer> originList) {
+		List<Integer> data = new ArrayList<>();
+		for (Integer originData : originList) {
+			data.add(originData - RandomNumberUtil.getRandomIntBetween(5, 40));
+		}
+		return data;
+	}
+
 
 }
diff --git a/kh-modules/src/main/java/com/jero/modules/utils/RandomNumberUtil.java b/kh-modules/src/main/java/com/jero/modules/utils/RandomNumberUtil.java
index 4824d147..7fe264fa 100644
--- a/kh-modules/src/main/java/com/jero/modules/utils/RandomNumberUtil.java
+++ b/kh-modules/src/main/java/com/jero/modules/utils/RandomNumberUtil.java
@@ -22,10 +22,13 @@ public class RandomNumberUtil {
     }
 
     public static int getRandomInt() {
-        // 生成一个在0到100之间，小数点后有2位的随机浮点数
         return faker.number().randomDigit();
     }
 
+    public static int getRandomIntBetween(int min, int max) {
+        return faker.number().numberBetween(min, max);
+    }
+
     // 生成指定大小和类型的列表，填充伪随机数据
     public static <T> List<T> generateFakeDataList(int size, Class<T> type) {
         List<T> resultList = new ArrayList<>();
@@ -33,7 +36,7 @@ public class RandomNumberUtil {
         for (int i = 0; i < size; i++) {
             if (type.equals(Double.class)) {
                 // 对于 Double 类型，生成伪随机双精度值
-                resultList.add(type.cast(faker.number().randomDouble(2, 1, 100)));
+                resultList.add(type.cast(faker.number().randomDouble(2, 50, 100)));
             } else if (type.equals(Integer.class)) {
                 // 对于 Integer 类型，生成伪随机整数值
                 resultList.add(type.cast(faker.number().numberBetween(1, 100)));