diff --git a/.vs/AIProofread/v17/.suo b/.vs/AIProofread/v17/.suo
index 2c5f0a1..337bbe4 100644
Binary files a/.vs/AIProofread/v17/.suo and b/.vs/AIProofread/v17/.suo differ
diff --git a/AIProofread/Bridge.cs b/AIProofread/Bridge.cs
index 4102847..a9526c4 100644
--- a/AIProofread/Bridge.cs
+++ b/AIProofread/Bridge.cs
@@ -508,7 +508,11 @@ namespace AIProofread
                 var paragraph = document.Paragraphs[paragraphIndex];
                 var paragraphStart = paragraph.Range.Start;
                 var Start = paragraphStart + offset;
-                var End = paragraph.Range.Start + length - 1;
+                var End = Start + length - 1;
+                if(End > paragraph.Range.End)
+                {
+                    End = paragraph.Range.End;
+                }
 
                 // 当前句子的选区
                 var fullRange = document.Range(Start, End);
@@ -530,7 +534,6 @@ namespace AIProofread
                 {
                     bookmark = controls.AddBookmark(r, markName);
                     bookmark.Tag = "ai_proofread";
-                    
                 }
                 else
                 {
diff --git a/AIProofread/Ribbon1.cs b/AIProofread/Ribbon1.cs
index 65972bc..efa6039 100644
--- a/AIProofread/Ribbon1.cs
+++ b/AIProofread/Ribbon1.cs
@@ -83,6 +83,7 @@ namespace AIProofread
         {
             // 注销吧
             Bridge.bridge.Logout(null);
+            Globals.ThisAddIn.HideAllPanel();
         }
 
 
diff --git a/AIProofread/ThisAddIn.cs b/AIProofread/ThisAddIn.cs
index 3f67d3d..1426037 100644
--- a/AIProofread/ThisAddIn.cs
+++ b/AIProofread/ThisAddIn.cs
@@ -43,7 +43,7 @@ namespace AIProofread
         public List<FormLogin> LoginFormList = new List<FormLogin>();
 
         public Dictionary<Word.Document, CustomTaskPane> taskPanels = new Dictionary<Word.Document, CustomTaskPane>();
-        public Dictionary<Word.Document,bool> panelsVisible = new Dictionary<Word.Document, bool>();
+        public Dictionary<Word.Document, bool> panelsVisible = new Dictionary<Word.Document, bool>();
         public CustomTaskPane currentDocumentTaskPane;
 
         private static readonly Dictionary<Word.Document, Dictionary<int, ProofreadItem>> allMarks = new Dictionary<Word.Document, Dictionary<int, ProofreadItem>>();
@@ -65,7 +65,7 @@ namespace AIProofread
                     panelsVisible[doc] = visible;
                 }
             }
-            
+
         }
 
         private void Application_WindowActivate(Word.Document activeDoc, Window Wn)
@@ -80,7 +80,7 @@ namespace AIProofread
 
             if (!taskPanels.ContainsKey(activeDoc))
             {
-                ShowPanel(activeDoc,false);
+                ShowPanel(activeDoc, false);
             }
             this.currentDocumentTaskPane = taskPanels[activeDoc];
             if (IsWPS)
@@ -187,7 +187,7 @@ namespace AIProofread
 
         private void Panel_VisibleChanged(object sender, EventArgs e)
         {
-            if(currentDocumentTaskPane == sender)
+            if (currentDocumentTaskPane == sender)
             {
 
             }
@@ -266,7 +266,8 @@ namespace AIProofread
                         // 默认直接打开文档 就直接创建panel
                         ShowPanel(Application.ActiveDocument, false);
                     }
-                }catch (Exception ex2)
+                }
+                catch (Exception ex2)
                 {
                     Logger.Log("加载默认文档失败: " + ex2.ToString());
                 }
@@ -343,6 +344,16 @@ namespace AIProofread
             this.currentDocumentTaskPane.Visible = false;
         }
 
+        /// <summary>
+        ///  隐藏所有面板
+        /// </summary>
+        public void HideAllPanel()
+        {
+            foreach (var item in taskPanels)
+            {
+                item.Value.Visible = false;
+            }
+        }
 
         public void ShowLoginForm(string action)
         {
@@ -397,8 +408,10 @@ namespace AIProofread
                 {
                     // 同步登录失败信息
                     SendMessageToWeb(p.Control, "async-logout", null);
-                }catch (Exception ex) {
-                    Logger.Log("async-logout:",ex);
+                }
+                catch (Exception ex)
+                {
+                    Logger.Log("async-logout:", ex);
                 }
             });
 
diff --git a/AIProofread/obj/Debug/AIProofread.csproj.AssemblyReference.cache b/AIProofread/obj/Debug/AIProofread.csproj.AssemblyReference.cache
index c635e1e..017812f 100644
Binary files a/AIProofread/obj/Debug/AIProofread.csproj.AssemblyReference.cache and b/AIProofread/obj/Debug/AIProofread.csproj.AssemblyReference.cache differ
diff --git a/AIProofread/obj/Debug/AIProofread.csproj.GenerateResource.cache b/AIProofread/obj/Debug/AIProofread.csproj.GenerateResource.cache
index e5754cb..7879b60 100644
Binary files a/AIProofread/obj/Debug/AIProofread.csproj.GenerateResource.cache and b/AIProofread/obj/Debug/AIProofread.csproj.GenerateResource.cache differ
diff --git a/AIProofread/obj/Debug/AIProofread.dll b/AIProofread/obj/Debug/AIProofread.dll
index 288ecf0..58fe951 100644
Binary files a/AIProofread/obj/Debug/AIProofread.dll and b/AIProofread/obj/Debug/AIProofread.dll differ
diff --git a/AIProofread/obj/Debug/AIProofread.pdb b/AIProofread/obj/Debug/AIProofread.pdb
index d4a9865..9779ad3 100644
Binary files a/AIProofread/obj/Debug/AIProofread.pdb and b/AIProofread/obj/Debug/AIProofread.pdb differ
diff --git a/AIProofread/obj/Debug/DesignTimeResolveAssemblyReferences.cache b/AIProofread/obj/Debug/DesignTimeResolveAssemblyReferences.cache
index cb538fa..eb53244 100644
Binary files a/AIProofread/obj/Debug/DesignTimeResolveAssemblyReferences.cache and b/AIProofread/obj/Debug/DesignTimeResolveAssemblyReferences.cache differ