diff --git a/core/src/main/java/cn/edu/tsinghua/iot/benchmark/mode/BaseMode.java b/core/src/main/java/cn/edu/tsinghua/iot/benchmark/mode/BaseMode.java
index ad9147f4f..4cbd14bb4 100644
--- a/core/src/main/java/cn/edu/tsinghua/iot/benchmark/mode/BaseMode.java
+++ b/core/src/main/java/cn/edu/tsinghua/iot/benchmark/mode/BaseMode.java
@@ -115,13 +115,11 @@ protected boolean cleanUpData(List<DBConfig> dbConfigs, Measurement measurement)
     DBWrapper dbWrapper = new DBWrapper(dbConfigs, measurement);
     try {
       dbWrapper.init();
-      if (config.isIS_DELETE_DATA()) {
-        try {
-          dbWrapper.cleanup();
-        } catch (TsdbException e) {
-          LOGGER.error("Cleanup {} failed because ", config.getNET_DEVICE(), e);
-          return false;
-        }
+      try {
+        dbWrapper.cleanup();
+      } catch (TsdbException e) {
+        LOGGER.error("Cleanup {} failed because ", config.getNET_DEVICE(), e);
+        return false;
       }
     } catch (TsdbException e) {
       LOGGER.error("Initialize {} failed because ", config.getNET_DEVICE(), e);
diff --git a/core/src/main/java/cn/edu/tsinghua/iot/benchmark/mode/TestWithDefaultPathMode.java b/core/src/main/java/cn/edu/tsinghua/iot/benchmark/mode/TestWithDefaultPathMode.java
index 78f49dd57..c7b922383 100644
--- a/core/src/main/java/cn/edu/tsinghua/iot/benchmark/mode/TestWithDefaultPathMode.java
+++ b/core/src/main/java/cn/edu/tsinghua/iot/benchmark/mode/TestWithDefaultPathMode.java
@@ -45,8 +45,10 @@ protected boolean preCheck() {
     if (config.isIS_DOUBLE_WRITE()) {
       dbConfigs.add(config.getANOTHER_DBConfig());
     }
-    if (!cleanUpData(dbConfigs, measurement)) {
-      return false;
+    if (config.isIS_DELETE_DATA()) {
+      if (!cleanUpData(dbConfigs, measurement)) {
+        return false;
+      }
     }
     if (config.isCREATE_SCHEMA()) {
       if (!registerSchema(measurement)) {
diff --git a/core/src/main/java/cn/edu/tsinghua/iot/benchmark/mode/VerificationWriteMode.java b/core/src/main/java/cn/edu/tsinghua/iot/benchmark/mode/VerificationWriteMode.java
index 4d209f9c1..efc6143e4 100644
--- a/core/src/main/java/cn/edu/tsinghua/iot/benchmark/mode/VerificationWriteMode.java
+++ b/core/src/main/java/cn/edu/tsinghua/iot/benchmark/mode/VerificationWriteMode.java
@@ -40,8 +40,10 @@ protected boolean preCheck() {
     if (config.isIS_DOUBLE_WRITE()) {
       dbConfigs.add(config.getANOTHER_DBConfig());
     }
-    if (!cleanUpData(dbConfigs, measurement)) {
-      return false;
+    if (config.isIS_DELETE_DATA()) {
+      if (!cleanUpData(dbConfigs, measurement)) {
+        return false;
+      }
     }
     if (config.isCREATE_SCHEMA()) {
       if (!registerSchema(measurement)) {