diff --git a/demo/js/base/editor/demo.rich_editor.js b/demo/js/base/editor/demo.rich_editor.js
index 72dbfdbd11..61059fc2df 100644
--- a/demo/js/base/editor/demo.rich_editor.js
+++ b/demo/js/base/editor/demo.rich_editor.js
@@ -6,7 +6,7 @@ Demo.RichEditor = BI.inherit(BI.Widget, {
         var self = this;
         this.editor = BI.createWidget({
             type: "bi.rich_editor",
-            cls: "mvc-border",
+            cls: "bi-border",
             width: 600,
             height: 400
         });
diff --git a/dist/bundle.js b/dist/bundle.js
index 02df71548b..63cfcac9d8 100644
--- a/dist/bundle.js
+++ b/dist/bundle.js
@@ -82291,7 +82291,6 @@ BI.shortcut("bi.rich_editor_text_toolbar", BI.RichEditorTextToolbar);/**
                 scrollable: false
             });
             this.elm.element.css({
-                margin: "4px",
                 minHeight: (o.height - 8) + "px",
                 outline: "none"
             }).html(o.value);
@@ -82886,7 +82885,6 @@ BI.RichEditorBackgroundColorChooser = BI.inherit(BI.RichEditorAction, {
                 backgroundColor: backgroundColor,
                 color: BI.DOM.getContrastColor(backgroundColor)
             });
-            this.setValue("");
         });
     },
 
@@ -83074,7 +83072,7 @@ BI.RichEditor = BI.inherit(BI.Widget, {
             element: this,
             toggle: false,
             trigger: o.readOnly ? "" : "click",
-            direction: "top,left",
+            direction: "top,right",
             isNeedAdjustWidth: false,
             isNeedAdjustHeight: false,
             adjustLength: 1,
diff --git a/dist/case.js b/dist/case.js
index d32e38344a..5273716648 100644
--- a/dist/case.js
+++ b/dist/case.js
@@ -10360,7 +10360,6 @@ BI.shortcut("bi.rich_editor_text_toolbar", BI.RichEditorTextToolbar);/**
                 scrollable: false
             });
             this.elm.element.css({
-                margin: "4px",
                 minHeight: (o.height - 8) + "px",
                 outline: "none"
             }).html(o.value);
@@ -10955,7 +10954,6 @@ BI.RichEditorBackgroundColorChooser = BI.inherit(BI.RichEditorAction, {
                 backgroundColor: backgroundColor,
                 color: BI.DOM.getContrastColor(backgroundColor)
             });
-            this.setValue("");
         });
     },
 
@@ -11143,7 +11141,7 @@ BI.RichEditor = BI.inherit(BI.Widget, {
             element: this,
             toggle: false,
             trigger: o.readOnly ? "" : "click",
-            direction: "top,left",
+            direction: "top,right",
             isNeedAdjustWidth: false,
             isNeedAdjustHeight: false,
             adjustLength: 1,
diff --git a/dist/demo.js b/dist/demo.js
index 6bd99c2259..23a00fd2b6 100644
--- a/dist/demo.js
+++ b/dist/demo.js
@@ -859,7 +859,7 @@ BI.shortcut("demo.multifile_editor", Demo.CodeEditor);Demo.RichEditor = BI.inher
         var self = this;
         this.editor = BI.createWidget({
             type: "bi.rich_editor",
-            cls: "mvc-border",
+            cls: "bi-border",
             width: 600,
             height: 400
         });
diff --git a/src/case/richeditor/niceditor/niceditor.js b/src/case/richeditor/niceditor/niceditor.js
index 60f9cba058..6fdc2ce4fd 100644
--- a/src/case/richeditor/niceditor/niceditor.js
+++ b/src/case/richeditor/niceditor/niceditor.js
@@ -101,7 +101,6 @@
                 scrollable: false
             });
             this.elm.element.css({
-                margin: "4px",
                 minHeight: (o.height - 8) + "px",
                 outline: "none"
             }).html(o.value);
diff --git a/src/case/richeditor/plugins/combo.backgroundcolorchooser.js b/src/case/richeditor/plugins/combo.backgroundcolorchooser.js
index 1fef1b6c67..d6b4d8fdd2 100644
--- a/src/case/richeditor/plugins/combo.backgroundcolorchooser.js
+++ b/src/case/richeditor/plugins/combo.backgroundcolorchooser.js
@@ -33,7 +33,6 @@ BI.RichEditorBackgroundColorChooser = BI.inherit(BI.RichEditorAction, {
                 backgroundColor: backgroundColor,
                 color: BI.DOM.getContrastColor(backgroundColor)
             });
-            this.setValue("");
         });
     },
 
diff --git a/src/case/richeditor/richeditor.js b/src/case/richeditor/richeditor.js
index 48fd68c360..e7f8acc228 100644
--- a/src/case/richeditor/richeditor.js
+++ b/src/case/richeditor/richeditor.js
@@ -41,7 +41,7 @@ BI.RichEditor = BI.inherit(BI.Widget, {
             element: this,
             toggle: false,
             trigger: o.readOnly ? "" : "click",
-            direction: "top,left",
+            direction: "top,right",
             isNeedAdjustWidth: false,
             isNeedAdjustHeight: false,
             adjustLength: 1,