diff --git a/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/TRecordServiceImpl.java b/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/TRecordServiceImpl.java
index 095ac70..ecdfdd0 100644
--- a/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/TRecordServiceImpl.java
+++ b/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/TRecordServiceImpl.java
@@ -32,6 +32,16 @@ public class TRecordServiceImpl implements ITRecordService
 {
     private static final Logger logger = LoggerFactory.getLogger(TRecordServiceImpl.class);
 
+    /**
+     * AI返回结果中可能为空值的key
+     */
+    private static final List<String> nullValKeys = new ArrayList<String>(){{
+        add("st_avg_yellow");
+        add("sz_avg_purple");
+        add("sz_avg_red");
+        add("sx_vein_avg_purple");
+    }};;
+
     @Autowired
     private TRecordMapper tRecordMapper;
 
@@ -160,8 +170,8 @@ public class TRecordServiceImpl implements ITRecordService
 
     private RecordHistoryDataResp getDataList(List<TRecord> records, List<String> jsonKeyList)
     {
-
         RecordHistoryDataResp recordHistoryDataResp = new RecordHistoryDataResp();
+        // 构造时间轴坐标值
         List<Date> dateList = records.stream().map(TRecord -> {
             if (null != TRecord.getUploadTime()) {
                 return TRecord.getUploadTime();
@@ -170,6 +180,7 @@ public class TRecordServiceImpl implements ITRecordService
             }
         }).collect(Collectors.toList());
         recordHistoryDataResp.setDateList(dateList);
+        // 构造纵坐标值
         List<JSONObject> result = records.stream().map(tRecord -> {
             JSONObject jsonObject = new JSONObject();
             if(StringUtils.isEmpty(tRecord.getUpdateResult())){
@@ -197,14 +208,21 @@ public class TRecordServiceImpl implements ITRecordService
      * @param historyDataMap 历史数据
      * @param removeKeyList  删除键列表
      */
-    private static void getJsonData(Object obj, String listName, HashMap<String, ArrayList<Object>> historyDataMap, List<String> removeKeyList) {
+    private void getJsonData(Object obj, String listName, HashMap<String, ArrayList<Object>> historyDataMap, List<String> removeKeyList) {
         // aiResult结果集中只包括JSONObject,不包括JSONArray
         if (obj instanceof JSONObject) {
+            // "sx_vein_avg_purple": {}
+            // "sx_vein_avg_purple": {"anomaly": 0}
+            // 这两种情况应该添加默认值
+            if (nullValKeys.contains(listName) && null == ((JSONObject) obj).get("v")) {
+                // 加默认值
+                doSetHistoryData(historyDataMap, listName, "0");
+            }
             for (Map.Entry<String, Object> entry : ((JSONObject) obj).entrySet()) {
                 if ((entry.getValue() instanceof JSONObject)) {
                     getJsonData(entry.getValue(), entry.getKey(), historyDataMap, removeKeyList);
                 } else {
-                    // 去除带图片字段
+                    // 忽略带图片字段
                     if (removeKeyList.contains(listName)) {
                         continue;
                     }
@@ -213,19 +231,30 @@ public class TRecordServiceImpl implements ITRecordService
                     if (!"v".equals(entry.getKey())) {
                         continue;
                     }
-                    ArrayList<Object> list;
-                    if (null == historyDataMap.get(listName)) {
-                        list = new ArrayList<>();
-                    } else {
-                        list = historyDataMap.get(listName);
-                    }
-                    list.add(entry.getValue());
-                    historyDataMap.put(listName, list);
+                    doSetHistoryData(historyDataMap, listName, entry.getValue());
                 }
             }
         }
     }
 
+    /**
+     * 做历史数据
+     *
+     * @param historyDataMap 历史数据map
+     * @param listName       列表名称
+     * @param val            值
+     */
+    private void doSetHistoryData(HashMap<String, ArrayList<Object>> historyDataMap, String listName, Object val) {
+        ArrayList<Object> list;
+        if (null == historyDataMap.get(listName)) {
+            list = new ArrayList<>();
+        } else {
+            list = historyDataMap.get(listName);
+        }
+        list.add(val);
+        historyDataMap.put(listName, list);
+    }
+
     /**
      * 查询医生诊断次数
      *