diff --git a/package.json b/package.json
index 7ddc01383..650135d75 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "fineui",
-  "version": "2.0.20230515174710",
+  "version": "2.0.20230518101454",
   "description": "fineui",
   "main": "dist/fineui_without_conflict.min.js",
   "types": "dist/lib/index.d.ts",
diff --git a/src/widget/intervalslider/intervalslider.js b/src/widget/intervalslider/intervalslider.js
index 59b1e1676..6c70c33a3 100644
--- a/src/widget/intervalslider/intervalslider.js
+++ b/src/widget/intervalslider/intervalslider.js
@@ -103,7 +103,7 @@ BI.IntervalSlider = BI.inherit(BI.Single, {
             var oldValueTwo = self.valueTwo;
             var v = BI.parseFloat(this.getValue());
             self.valueTwo = v;
-            var percent = self._getPercentByValue(v);
+            var percent = self._getPercentByValue(v, true);
             var significantPercent = BI.parseFloat(percent.toFixed(1));
             self._setSliderTwoPosition(significantPercent);
             self._setBlueTrack();
@@ -381,7 +381,7 @@ BI.IntervalSlider = BI.inherit(BI.Single, {
 
     _setBlueTrack: function () {
         var percentOne = this._getPercentByValue(this.labelOne.getValue());
-        var percentTwo = this._getPercentByValue(this.labelTwo.getValue());
+        var percentTwo = this._getPercentByValue(this.labelTwo.getValue(), true);
         if (percentOne <= percentTwo) {
             this._setBlueTrackLeft(percentOne);
             this._setBlueTrackWidth(percentTwo - percentOne);
@@ -435,7 +435,11 @@ BI.IntervalSlider = BI.inherit(BI.Single, {
 
     },
 
-    _getPercentByValue: function (v) {
+    _getPercentByValue: function (v, isLast) {
+        if (this.max === this.min) {
+            return isLast ? 100 : 0;
+        }
+
         return (v - this.min) * 100 / (this.max - this.min);
     },
 
@@ -545,7 +549,7 @@ BI.IntervalSlider = BI.inherit(BI.Single, {
             if ((BI.isNumeric(this.valueOne) || BI.isNotEmptyString(this.valueOne)) && (BI.isNumeric(this.valueTwo) || BI.isNotEmptyString(this.valueTwo))) {
                 this.labelOne.setValue(o.digit === false ? this.valueOne : BI.parseFloat(this.valueOne).toFixed(o.digit));
                 this.labelTwo.setValue(o.digit === false ? this.valueTwo : BI.parseFloat(this.valueTwo).toFixed(o.digit));
-                this._setAllPosition(this._getPercentByValue(this.valueOne), this._getPercentByValue(this.valueTwo));
+                this._setAllPosition(this._getPercentByValue(this.valueOne), this._getPercentByValue(this.valueTwo, true));
             } else {
                 this.labelOne.setValue(this.min);
                 this.labelTwo.setValue(this.max);