diff --git a/iotdb-1.1/src/main/java/cn/edu/tsinghua/iot/benchmark/iotdb110/IoTDB.java b/iotdb-1.1/src/main/java/cn/edu/tsinghua/iot/benchmark/iotdb110/IoTDB.java
index b1bae6a4c..42f121ce5 100644
--- a/iotdb-1.1/src/main/java/cn/edu/tsinghua/iot/benchmark/iotdb110/IoTDB.java
+++ b/iotdb-1.1/src/main/java/cn/edu/tsinghua/iot/benchmark/iotdb110/IoTDB.java
@@ -659,16 +659,8 @@ private String getValueRangeQuerySql(ValueRangeQuery valueRangeQuery) {
 
   private String getValueFilterClause(List<DeviceSchema> deviceSchemas, int valueThreshold) {
     StringBuilder builder = new StringBuilder();
-    for (DeviceSchema deviceSchema : deviceSchemas) {
-      for (Sensor sensor : deviceSchema.getSensors()) {
-        builder
-            .append(" AND ")
-            .append(getDevicePath(deviceSchema))
-            .append(".")
-            .append(sensor.getName())
-            .append(" > ")
-            .append(valueThreshold);
-      }
+    for (Sensor sensor : deviceSchemas.get(0).getSensors()) {
+      builder.append(" AND ").append(sensor.getName()).append(" > ").append(valueThreshold);
     }
     return builder.toString();
   }
diff --git a/tdengine-3.0/src/main/java/cn/edu/tsinghua/iot/benchmark/tdengine3/TDengine.java b/tdengine-3.0/src/main/java/cn/edu/tsinghua/iot/benchmark/tdengine3/TDengine.java
index 304414273..5960174d7 100644
--- a/tdengine-3.0/src/main/java/cn/edu/tsinghua/iot/benchmark/tdengine3/TDengine.java
+++ b/tdengine-3.0/src/main/java/cn/edu/tsinghua/iot/benchmark/tdengine3/TDengine.java
@@ -508,12 +508,15 @@ private static String addWhereClause(
       return sql;
     }
     StringBuilder sqlBuilder = new StringBuilder(sql);
+
     sqlBuilder.append(WHERE);
+
     if (timeRangeQuery != null) {
       String startTime = "" + timeRangeQuery.getStartTimestamp();
       String endTime = "" + timeRangeQuery.getEndTimestamp();
       sqlBuilder.append(" time >= ").append(startTime).append(" AND time <= ").append(endTime);
     }
+
     if (valueRangeFilter != null) {
       if (!sqlBuilder.toString().endsWith(WHERE)) {
         sqlBuilder.append(" AND ");
@@ -524,6 +527,7 @@ private static String addWhereClause(
       }
       sqlBuilder.delete(sqlBuilder.length() - 4, sqlBuilder.length());
     }
+
     if (!alignByDeviceTableNameFilter.isEmpty()) {
       if (!sqlBuilder.toString().endsWith(WHERE)) {
         sqlBuilder.append(" AND ");
@@ -535,6 +539,7 @@ private static String addWhereClause(
       sqlBuilder.deleteCharAt(sqlBuilder.length() - 1);
       sqlBuilder.append(')');
     }
+
     return sqlBuilder.toString();
   }