diff --git a/inc/bench.h b/inc/bench.h
index 248a2e8f..85e45aea 100644
--- a/inc/bench.h
+++ b/inc/bench.h
@@ -599,6 +599,9 @@ typedef struct SField {
     StmtData stmtData;
     int64_t  max;
     int64_t  min;
+    double   maxInDbl;
+    double   minInDbl;
+    uint32_t scalingFactor;
     tools_cJSON *  values;
 
     // fun
diff --git a/src/benchData.c b/src/benchData.c
index 4da0f0ad..69a95f72 100644
--- a/src/benchData.c
+++ b/src/benchData.c
@@ -658,6 +658,17 @@ float tmpFloatImpl(Field *field, int i, int32_t angle, int32_t k) {
                 + floatTmp / 1000000000) / 360);
         }
     }
+
+    if (field->scalingFactor > 0) {
+        if (field->scalingFactor > 1)
+            floatTmp = floatTmp / field->scalingFactor;
+
+        if (floatTmp > field->maxInDbl)
+            floatTmp = field->maxInDbl;
+        else if (floatTmp < field->minInDbl)
+            floatTmp = field->minInDbl;
+    }
+
     return floatTmp;
 }
 
@@ -674,6 +685,17 @@ double tmpDoubleImpl(Field *field, int32_t angle, int32_t k) {
                 taosRandom() % 1000000 / 1000000.0);
         }
     }
+
+    if (field->scalingFactor > 0) {
+        if (field->scalingFactor > 1)
+            doubleTmp = doubleTmp / field->scalingFactor;
+
+        if (doubleTmp > field->maxInDbl)
+            doubleTmp = field->maxInDbl;
+        else if (doubleTmp < field->minInDbl)
+            doubleTmp = field->minInDbl;
+    }
+
     return doubleTmp;
 }
 
diff --git a/src/benchJsonOpt.c b/src/benchJsonOpt.c
index 573c86b4..5125bf60 100644
--- a/src/benchJsonOpt.c
+++ b/src/benchJsonOpt.c
@@ -198,6 +198,9 @@ static int getColumnAndTagTypeFromInsertJsonFile(
         int count = 1;
         int64_t max = RAND_MAX >> 1;
         int64_t min = 0;
+        double  maxInDbl = max;
+        double  minInDbl = min;
+        uint32_t scalingFactor = 1;
         int32_t length = 4;
         // fun type
         uint8_t funType = FUNTYPE_NONE;
@@ -241,17 +244,41 @@ static int getColumnAndTagTypeFromInsertJsonFile(
         tools_cJSON *dataMax = tools_cJSON_GetObjectItem(column, "max");
         if (tools_cJSON_IsNumber(dataMax)) {
             max = dataMax->valueint;
+            maxInDbl = dataMax->valuedouble;
         } else {
             max = convertDatatypeToDefaultMax(type);
+            maxInDbl = max;
         }
 
         tools_cJSON *dataMin = tools_cJSON_GetObjectItem(column, "min");
         if (tools_cJSON_IsNumber(dataMin)) {
             min = dataMin->valueint;
+            minInDbl = dataMin->valuedouble;
         } else {
             min = convertDatatypeToDefaultMin(type);
-        }
-
+            minInDbl = min;
+        }
+
+        double valueRange = maxInDbl - minInDbl;
+        tools_cJSON *dataScalingFactor = tools_cJSON_GetObjectItem(column, "scalingFactor");
+        if (tools_cJSON_IsNumber(dataScalingFactor)) {
+            scalingFactor = dataScalingFactor->valueint;
+            if (scalingFactor > 1) {
+                max = maxInDbl * scalingFactor;
+                min = minInDbl * scalingFactor;
+            } else {
+                scalingFactor = 1;
+            }
+        } else {
+            if (0 < valueRange && valueRange <= 1) {
+                scalingFactor = 1000;
+                max = maxInDbl * scalingFactor;
+                min = minInDbl * scalingFactor;
+            } else {
+                scalingFactor = 1;
+            }
+        }
+
         // gen
         tools_cJSON *dataGen = tools_cJSON_GetObjectItem(column, "gen");
         if (tools_cJSON_IsString(dataGen)) {
@@ -325,6 +352,9 @@ static int getColumnAndTagTypeFromInsertJsonFile(
             col->sma = sma;
             col->max = max;
             col->min = min;
+            col->maxInDbl = maxInDbl;
+            col->minInDbl = minInDbl;
+            col->scalingFactor = scalingFactor;
             col->gen = gen;
             col->fillNull = fillNull;
             col->values = dataValues;
@@ -396,6 +426,9 @@ static int getColumnAndTagTypeFromInsertJsonFile(
         int count = 1;
         int64_t max = RAND_MAX >> 1;
         int64_t min = 0;
+        double  maxInDbl = max;
+        double  minInDbl = min;
+        uint32_t scalingFactor = 1;
         int32_t length = 4;
         tools_cJSON *tagObj = tools_cJSON_GetArrayItem(tags, k);
         if (!tools_cJSON_IsObject(tagObj)) {
@@ -439,15 +472,39 @@ static int getColumnAndTagTypeFromInsertJsonFile(
         tools_cJSON *dataMax = tools_cJSON_GetObjectItem(tagObj, "max");
         if (tools_cJSON_IsNumber(dataMax)) {
             max = dataMax->valueint;
+            maxInDbl = dataMax->valuedouble;
         } else {
             max = convertDatatypeToDefaultMax(type);
+            maxInDbl = max;
         }
 
         tools_cJSON *dataMin = tools_cJSON_GetObjectItem(tagObj, "min");
         if (tools_cJSON_IsNumber(dataMin)) {
             min = dataMin->valueint;
+            minInDbl = dataMin->valuedouble;
         } else {
             min = convertDatatypeToDefaultMin(type);
+            minInDbl = min;
+        }
+
+        double valueRange = maxInDbl - minInDbl;
+        tools_cJSON *dataScalingFactor = tools_cJSON_GetObjectItem(tagObj, "scalingFactor");
+        if (tools_cJSON_IsNumber(dataScalingFactor)) {
+            scalingFactor = dataScalingFactor->valueint;
+            if (scalingFactor > 1) {
+                max = maxInDbl * scalingFactor;
+                min = minInDbl * scalingFactor;
+            } else {
+                scalingFactor = 1;
+            }
+        } else {
+            if (0 < valueRange && valueRange <= 1) {
+                scalingFactor = 1000;
+                max = maxInDbl * scalingFactor;
+                min = minInDbl * scalingFactor;
+            } else {
+                scalingFactor = 1;
+            }
         }
 
         tools_cJSON *dataValues = tools_cJSON_GetObjectItem(tagObj, "values");
@@ -478,6 +535,9 @@ static int getColumnAndTagTypeFromInsertJsonFile(
             }
             tag->max = max;
             tag->min = min;
+            tag->maxInDbl = maxInDbl;
+            tag->minInDbl = minInDbl;
+            tag->scalingFactor = scalingFactor;
             tag->values = dataValues;
             if (customName) {
                 if (n >= 1) {
diff --git a/src/benchUtil.c b/src/benchUtil.c
index e860ef55..f7fb55dd 100644
--- a/src/benchUtil.c
+++ b/src/benchUtil.c
@@ -954,9 +954,9 @@ int64_t convertDatatypeToDefaultMax(uint8_t type) {
             ret = 65534;
             break;
         case TSDB_DATA_TYPE_INT:
-        case TSDB_DATA_TYPE_DOUBLE:
         case TSDB_DATA_TYPE_BIGINT:
         case TSDB_DATA_TYPE_FLOAT:
+        case TSDB_DATA_TYPE_DOUBLE:
             ret = RAND_MAX >> 1;
             break;
         case TSDB_DATA_TYPE_UINT: