diff --git a/changelog.md b/changelog.md
index eccb28b37..70356883d 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,5 +1,6 @@
 # 更新日志
 2.0(2020-11)
+- 修复了颜色选择器hex框不能输入为空的问题
 - 增加纯文本组件bi.pure_text
 - store支持webworker,引入多线程机制
 - 修复了Popover小屏幕上看不完整的问题
diff --git a/i18n/i18n.cn.js b/i18n/i18n.cn.js
index 1622eab1e..c1c9bf316 100644
--- a/i18n/i18n.cn.js
+++ b/i18n/i18n.cn.js
@@ -9,7 +9,7 @@ BI.i18n = {
     "BI-Basic_Altogether": "共",
     "BI-Basic_Sunday": "星期日",
     "BI-Widget_Background_Colour": "组件背景",
-    "BI-Color_Picker_Error_Text": "请输入0~255的正整数",
+    "BI-Color_Picker_Error_Text": "请输入0-255的正整数",
     "BI-Multi_Date_Month": "月",
     "BI-No_Selected_Item": "没有可选项",
     "BI-Multi_Date_Year_Begin": "年初",
@@ -91,6 +91,7 @@ BI.i18n = {
     "BI-Summary_Values": "汇总",
     "BI-Basic_Clear": "清除",
     "BI-Upload_File_Size_Error": "文件大小不支持",
+    "BI-Upload_File_Count_Error": "超出上传数量上限，请重新上传",
     "BI-Up_Page": "向上翻页",
     "BI-Basic_Simple_Sunday": "日",
     "BI-Multi_Date_Relative_Current_Time": "相对当前时间",
diff --git a/src/case/colorchooser/colorpicker/editor.colorpicker.hex.js b/src/case/colorchooser/colorpicker/editor.colorpicker.hex.js
index 6a2354da3..14fead2df 100644
--- a/src/case/colorchooser/colorpicker/editor.colorpicker.hex.js
+++ b/src/case/colorchooser/colorpicker/editor.colorpicker.hex.js
@@ -85,15 +85,19 @@ BI.HexColorPickerEditor = BI.inherit(BI.Widget, {
                             },
                             cls: "color-picker-editor-input",
                             validationChecker: this._hexChecker,
+                            allowBlank: true,
                             errorText: BI.i18nText("BI-Color_Picker_Error_Text_Hex"),
                             width: c.HEX_WIDTH,
                             height: 20,
                             listeners: [{
                                 eventName: "EVENT_CHANGE",
                                 action: function () {
-                                    self.setValue("#" + this.getValue());
-                                    self.colorShow.element.css("background-color", self.getValue());
-                                    self.fireEvent(BI.ColorPickerEditor.EVENT_CHANGE);
+                                    self._checkHexEditor();
+                                    if (checker(self.storeValue.r) && checker(self.storeValue.g) && checker(self.storeValue.b)) {
+                                        self.colorShow.element.css("background-color", self.getValue());
+                                        self.fireEvent(BI.ColorPickerEditor.EVENT_CHANGE);
+                                    }
+
                                 }
                             }]
                         }, {
@@ -238,6 +242,21 @@ BI.HexColorPickerEditor = BI.inherit(BI.Widget, {
         return BI.isEmptyString(this.storeValue.r) && BI.isEmptyString(this.storeValue.g) && BI.isEmptyString(this.storeValue.b);
     },
 
+    _checkHexEditor: function () {
+        if (BI.isEmptyString(this.hexEditor.getValue())) {
+            this.hexEditor.setValue("000000");
+        }
+        var json = BI.DOM.rgb2json(BI.DOM.hex2rgb("#" + this.hexEditor.getValue()));
+        this.storeValue = {
+            r: json.r || 0,
+            g: json.g || 0,
+            b: json.b || 0,
+        };
+        this.R.setValue(this.storeValue.r);
+        this.G.setValue(this.storeValue.g);
+        this.B.setValue(this.storeValue.b);
+    },
+
     _showPreColor: function (color) {
         if (color === "") {
             this.colorShow.element.css("background-color", "").removeClass("trans-color-background").addClass("auto-color-normal-background");
diff --git a/src/case/colorchooser/colorpicker/editor.colorpicker.hex.simple.js b/src/case/colorchooser/colorpicker/editor.colorpicker.hex.simple.js
index cd9e5a3d3..abeac571c 100644
--- a/src/case/colorchooser/colorpicker/editor.colorpicker.hex.simple.js
+++ b/src/case/colorchooser/colorpicker/editor.colorpicker.hex.simple.js
@@ -82,15 +82,18 @@ BI.SimpleHexColorPickerEditor = BI.inherit(BI.Widget, {
                     },
                     cls: "color-picker-editor-input",
                     validationChecker: this._hexChecker,
+                    allowBlank: true,
                     errorText: BI.i18nText("BI-Color_Picker_Error_Text_Hex"),
                     width: c.HEX_WIDTH,
                     height: 20,
                     listeners: [{
                         eventName: "EVENT_CHANGE",
                         action: function () {
-                            self.setValue("#" + this.getValue());
-                            self.colorShow.element.css("background-color", self.getValue());
-                            self.fireEvent(BI.ColorPickerEditor.EVENT_CHANGE);
+                            self._checkHexEditor();
+                            if (checker(self.storeValue.r) && checker(self.storeValue.g) && checker(self.storeValue.b)) {
+                                self.colorShow.element.css("background-color", self.getValue());
+                                self.fireEvent(BI.ColorPickerEditor.EVENT_CHANGE);
+                            }
                         }
                     }]
                 }, {
@@ -157,6 +160,21 @@ BI.SimpleHexColorPickerEditor = BI.inherit(BI.Widget, {
         this.hexEditor.setValue(this.getValue().slice(this.constants.HEX_PREFIX_POSITION));
     },
 
+    _checkHexEditor: function () {
+        if (BI.isEmptyString(this.hexEditor.getValue())) {
+            this.hexEditor.setValue("000000");
+        }
+        var json = BI.DOM.rgb2json(BI.DOM.hex2rgb("#" + this.hexEditor.getValue()));
+        this.storeValue = {
+            r: json.r || 0,
+            g: json.g || 0,
+            b: json.b || 0,
+        };
+        this.R.setValue(this.storeValue.r);
+        this.G.setValue(this.storeValue.g);
+        this.B.setValue(this.storeValue.b);
+    },
+
     setValue: function (color) {
         this.colorShow.element.css({"background-color": color});
         var json = BI.DOM.rgb2json(BI.DOM.hex2rgb(color));