diff --git a/common/tskv/src/main/java/com/thing/common/tskv/service/TsKvNativeSQL.java b/common/tskv/src/main/java/com/thing/common/tskv/service/TsKvNativeSQL.java
index 470520b..250f41a 100644
--- a/common/tskv/src/main/java/com/thing/common/tskv/service/TsKvNativeSQL.java
+++ b/common/tskv/src/main/java/com/thing/common/tskv/service/TsKvNativeSQL.java
@@ -121,14 +121,10 @@ public class TsKvNativeSQL {
     }
 
     public static String sqlSaveProtoTsKv(List<DataProto> protoList, DatabaseType dataType) {
-
-        // 使用Stream API和Collectors.toMap来去重
         List<DataProto> distinctStudentFile = protoList.stream()
                 .collect(Collectors.collectingAndThen(
                         Collectors.toCollection(() ->
-                                new TreeSet<>(Comparator.comparing(o -> o.getTskvProto().getThingCode() + ";" + o.getTskvProto().getKey()+ ";" + o.getTskvProto().getVal()+ ";" + o.getTskvProto().getTs()))), ArrayList::new));
-
-
+                                new TreeSet<>(Comparator.comparing(o -> o.getTskvProto().getThingCode() + ";" + o.getTskvProto().getKey()+ ";" + Double.valueOf(o.getTskvProto().getVal())+ ";" + o.getTskvProto().getTs()))), ArrayList::new));
         StringBuilder sql = new StringBuilder(" INSERT INTO ")
                 .append(TS_KV).append(" (")
                 .append(THING_CODE)