diff --git a/data/src/main/java/com/sdm/data/model/resp/ListBigFileResp.java b/data/src/main/java/com/sdm/data/model/resp/ListBigFileResp.java
index 74f1d42f..c3d4e191 100644
--- a/data/src/main/java/com/sdm/data/model/resp/ListBigFileResp.java
+++ b/data/src/main/java/com/sdm/data/model/resp/ListBigFileResp.java
@@ -25,6 +25,10 @@ public class ListBigFileResp extends BaseResp {
     @TableField("approveType")
     private Integer approveType;
 
+    @Schema(description= "数据类型：1-文件夹，2-文件")
+    @TableField("dataType")
+    private Integer dataType;
+
     //创建时间
     @Schema(description = "创建时间")
     @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss")
diff --git a/data/src/main/java/com/sdm/data/service/impl/DataAnalysisServiceImpl.java b/data/src/main/java/com/sdm/data/service/impl/DataAnalysisServiceImpl.java
index 279e6069..95e3443d 100644
--- a/data/src/main/java/com/sdm/data/service/impl/DataAnalysisServiceImpl.java
+++ b/data/src/main/java/com/sdm/data/service/impl/DataAnalysisServiceImpl.java
@@ -198,7 +198,7 @@ public class DataAnalysisServiceImpl implements IDataAnalysisService {
     public SdmResponse getCSVData(List<Long> fileIds) {
         try {
             // 存储所有文件的X轴和Y轴数据
-            List<List<Integer>> allXData = new ArrayList<>();
+            List<List<Float>> allXData = new ArrayList<>();
             List<List<Float>> allYData = new ArrayList<>();
             
             // 遍历所有文件ID
@@ -212,7 +212,7 @@ public class DataAnalysisServiceImpl implements IDataAnalysisService {
                 BufferedReader reader = new BufferedReader(new InputStreamReader(bis, StandardCharsets.UTF_8));
                 
                 // 分别存储当前文件的X轴和Y轴数据
-                List<Integer> xData = new ArrayList<>();
+                List<Float> xData = new ArrayList<>();
                 List<Float> yData = new ArrayList<>();
                 
                 String line;
@@ -220,7 +220,7 @@ public class DataAnalysisServiceImpl implements IDataAnalysisService {
                     String[] values = line.split(",");
                     if (values.length >= 2) {
                         try {
-                            int xValue = Integer.parseInt(values[0].trim());
+                            Float xValue = Float.parseFloat(values[0].trim());
                             float yValue = Float.parseFloat(values[1].trim());
                             xData.add(xValue);
                             yData.add(yValue);