diff --git a/data/common_items.json b/data/common_items.json
index 81b1a83..a5a1a02 100644
--- a/data/common_items.json
+++ b/data/common_items.json
@@ -8,7 +8,7 @@
     "载机名称一",
     "载机名称二",
     "载机名称三"
-  ]，
+  ],
 "sensorDescription": [
     "电阻式传感器",
     "电容式‌传感器"
diff --git a/java/src/main/java/com/yfd/platform/modules/experimentalData/controller/CommonItemController.java b/java/src/main/java/com/yfd/platform/modules/experimentalData/controller/CommonItemController.java
index 238a8bd..52292b4 100644
--- a/java/src/main/java/com/yfd/platform/modules/experimentalData/controller/CommonItemController.java
+++ b/java/src/main/java/com/yfd/platform/modules/experimentalData/controller/CommonItemController.java
@@ -6,8 +6,6 @@ import com.fasterxml.jackson.databind.ObjectMapper;
 import org.springframework.web.bind.annotation.*;
 
 import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.Paths;
@@ -98,7 +96,8 @@ public class CommonItemController {
         Path filePath = dataDir.resolve(FILE_NAME);
 
         if (!Files.exists(filePath)) {
-            // 如果项目根目录下没有文件，尝试从resources目录获取默认数据
+            // 如果项目根目录下没有文件，创建默认数据
+            System.out.println("文件不存在，创建默认数据: " + filePath.toString());
             Files.createDirectories(dataDir);
             Map<String, List<String>> init = new HashMap<>();
             init.put("taskLocation", new ArrayList<>());
@@ -111,10 +110,13 @@ public class CommonItemController {
         
         // 文件存在，读取数据
         try {
-            return objectMapper.readValue(
+            System.out.println("正在读取文件: " + filePath.toString());
+            Map<String, List<String>> data = objectMapper.readValue(
                     filePath.toFile(),
                     new TypeReference<Map<String, List<String>>>() {}
             );
+            System.out.println("文件读取成功，数据大小: " + data.size());
+            return data;
         } catch (IOException e) {
             // 如果读取失败，返回默认数据
             System.err.println("读取文件失败: " + e.getMessage());
@@ -133,8 +135,10 @@ public class CommonItemController {
         Path filePath = dataDir.resolve(FILE_NAME);
         
         Files.createDirectories(dataDir);
+        System.out.println("正在写入文件: " + filePath.toString());
         objectMapper.writerWithDefaultPrettyPrinter()
                 .writeValue(filePath.toFile(), data);
+        System.out.println("文件写入成功");
     }
 
     private Map<String, Object> success(Object data) {