diff --git a/src/Obj/Element/yj-color-picker.js b/src/Obj/Element/yj-color-picker.js
index e2ae605..0f95080 100644
--- a/src/Obj/Element/yj-color-picker.js
+++ b/src/Obj/Element/yj-color-picker.js
@@ -11,7 +11,7 @@ class YJColorPicker {
       clickDefineColor: clickDefineColor,
       hasClear: true,
       openPickerAni: 'opacity',
-      defaultColor: options.defaultColor || '#ffffff',
+      defaultColor: options.defaultColor,
       startMainCallback: (t) => {
         customizeStyle()
       }
@@ -37,6 +37,7 @@ class YJColorPicker {
         if (pickAlphaInput) {
           pickAlphaInput.value = this.pickAlphaInputValue = 100
         }
+        this.colorPicker.config.defaultColor = ''
         customizeStyle()
         if (typeof options.clear == 'function') {
           options.clear()
@@ -51,9 +52,8 @@ class YJColorPicker {
         // }, this.colorPicker.config.pickerAnimationTime);
       }
     }
-    let CesiumColor = Cesium.Color.fromCssColorString(config.defaultColor)
-    if (!CesiumColor) {
-      config.defaultColor = '#ffffff'
+    let CesiumColor
+    if(config.defaultColor) {
       CesiumColor = Cesium.Color.fromCssColorString(config.defaultColor)
     }
     // if (options.predefineColor) {
@@ -61,7 +61,7 @@ class YJColorPicker {
     // }
     config.predefineColor = ['rgba(255, 255, 255, 1)', 'rgba(255, 0, 0, 1)', 'rgba(208, 132, 209, 1)', 'rgba(100, 182, 217, 1)', 'rgba(42, 130, 228, 1)', 'rgba(214, 36, 36, 1)', 'rgba(252, 222, 111, 1)', 'rgba(67, 207, 124, 1)', 'rgba(176, 243, 143, 1)', 'rgba(121, 72, 234, 1)', 'rgba(255, 195, 0, 1)', 'rgba(0, 186, 173, 1)', 'rgba(165, 214, 63, 1)', 'rgba(0, 0, 0, 1)', 'rgba(46, 47, 51, 1)', 'rgba(172, 51, 193, 1)', 'rgba(130, 21, 21, 1)', 'rgba(255, 87, 51, 1)', 'rgba(255, 140, 0, 1)', 'rgba(125, 191, 255, 1)']
     this.colorPicker = new ewPlugins('colorpicker', config)
-    window.colorPicker = this.colorPicker
+    // window.colorPicker = this.colorPicker
 
     customizeStyle()
 
@@ -121,13 +121,13 @@ class YJColorPicker {
           pickAlphaInput.value = Number(Number(_this.pickAlphaInputValue).toFixed(2))
         }
         else {
-          pickAlphaInput.value = Number((CesiumColor.alpha * 100).toFixed(2))
+          pickAlphaInput.value = CesiumColor ? Number((CesiumColor.alpha * 100).toFixed(2)) : 100
         }
         _this.pickAlphaInputValue = pickAlphaInput.value
         box.style.background = Cesium.Color.fromCssColorString(_this.colorPicker.config.defaultColor || '#ffffff').withAlpha(pickAlphaInput.value / 100).toCssColorString()
       }
       else {
-        CesiumColor = CesiumColor.withAlpha(1)
+        CesiumColor = CesiumColor ? CesiumColor.withAlpha(1) : ''
         box.style.background = Cesium.Color.fromCssColorString(_this.colorPicker.config.defaultColor || '#ffffff').toCssColorString()
       }
 
diff --git a/static/3rdparty/ewPlugins.min.js b/static/3rdparty/ewPlugins.min.js
index fa21b25..735f08b 100644
--- a/static/3rdparty/ewPlugins.min.js
+++ b/static/3rdparty/ewPlugins.min.js
@@ -740,7 +740,7 @@
     function p(e, t) {
       //   c(e.box, "background", (0,
       //   o.colorHsbaToRgba)(e.hsba)),
-        c(e.arrowRight, "border-top-color", (0,
+        e.arrowRight && c(e.arrowRight, "border-top-color", (0,
         o.colorHsbaToRgba)(e.hsba)),
         t || e.config.alpha ? e.pickerInput.value = (0,
         o.colorHsbaToRgba)(e.hsba) : e.pickerInput.value = (0,