diff --git a/src/BaseDialog/index.js b/src/BaseDialog/index.js
index cbafd23..df9aab3 100644
--- a/src/BaseDialog/index.js
+++ b/src/BaseDialog/index.js
@@ -3,7 +3,7 @@ class BaseDialog {
     this.container = container
     this.options = { ...options }
     this.options.ismove = true
-    if(options.ismove === false) {
+    if (options.ismove === false) {
       this.options.ismove = options.ismove
     }
     this.closeCallBack = options.closeCallBack
@@ -12,7 +12,6 @@ class BaseDialog {
   }
 
   async init() {
-    
     this.closeAll()
     DialogAll.push(this)
     this.isDestroy = false
@@ -62,7 +61,7 @@ class BaseDialog {
       });
     }
 
-    if(this.options.ismove) {
+    if (this.options.ismove) {
       this.moveDiv()
     }
   }
@@ -92,7 +91,7 @@ class BaseDialog {
   }
 
   closeAll() {
-    for(let i=DialogAll.length-1;i>=0;i--) {
+    for (let i = DialogAll.length - 1; i >= 0; i--) {
       DialogAll[i].close()
       DialogAll.splice(i, 1)
     }
@@ -187,6 +186,14 @@ class BaseDialog {
         _this._element.body.style.bottom = 'unset'
         _this._element.body.style.right = 'unset'
       }
+
+      //鼠标抬起事件
+      document.onmouseup = function (e) {
+        window.onmousemove = null
+      }
+      window.ondragend = function (e) {
+        window.onmousemove = null
+      }
     }
 
     //鼠标抬起事件
diff --git a/src/In/index.js b/src/In/index.js
index ca9db7f..234bfa3 100644
--- a/src/In/index.js
+++ b/src/In/index.js
@@ -73,7 +73,7 @@ import { dialog as ContourDialog } from '../Global/Contour'
 import { on as SplitScreenOn, off as SplitScreenOff, setActiveId as SplitScreenSetActiveId, getSdk } from '../Global/SplitScreen'
 import LocateCurrent from '../Obj/Base/LocateCurrent'
 
-import { Clear as AnalysisClear } from '../Obj/Analysis/clear'
+import { AnalysisClear, SectionClear } from '../Obj/Analysis/clear'
 import CutFillAnalysis from '../Obj/Analysis/CutFill'
 import Submerge from '../Obj/Analysis/Submerge'
 import ViewShed from '../Obj/Analysis/ViewShed'
@@ -390,7 +390,9 @@ if (!window.YJ) {
       Section,
       TerrainExcavation,
       Flat,
-      Analyses: []
+      AnalysesResults: [],
+      SectionResults: [],
+      ClearSection: SectionClear
     },
     CoordTransform,
     RoutePlanningArrays: [],
diff --git a/src/Obj/Analysis/CircleViewShed/index.js b/src/Obj/Analysis/CircleViewShed/index.js
index 2ae1abd..6ed2c77 100644
--- a/src/Obj/Analysis/CircleViewShed/index.js
+++ b/src/Obj/Analysis/CircleViewShed/index.js
@@ -35,7 +35,7 @@ class CircleViewShed extends Tools {
     this.Dialog = _Dialog
     this._EventBinding = new EventBinding()
     this.html = null
-    YJ.Analysis.Analyses.push(this)
+    YJ.Analysis.AnalysesResults.push(this)
     CircleViewShed.edit(this)
     // CircleViewShed.create(this)
   }
diff --git a/src/Obj/Analysis/Contour/index.js b/src/Obj/Analysis/Contour/index.js
index cd162c6..6a246f9 100644
--- a/src/Obj/Analysis/Contour/index.js
+++ b/src/Obj/Analysis/Contour/index.js
@@ -44,7 +44,7 @@ class ContourAnalysis {
       "#2F0000",
     ]; //等高线赋值颜色，内含default值
     this.countorLineList = Cesium.defaultValue(options.countorLineList, []);
-    YJ.Analysis.Analyses.push(this)
+    YJ.Analysis.AnalysesResults.push(this)
     this.createNewLine();
   }
   createNewLine() {
diff --git a/src/Obj/Analysis/CutFill/index.js b/src/Obj/Analysis/CutFill/index.js
index f528a52..64a0659 100644
--- a/src/Obj/Analysis/CutFill/index.js
+++ b/src/Obj/Analysis/CutFill/index.js
@@ -27,7 +27,7 @@ class CutFillAnalysis {
     }
     this.entities = []
     this.Draw = new DrawPolygon(this.sdk)
-    YJ.Analysis.Analyses.push(this)
+    YJ.Analysis.AnalysesResults.push(this)
     CutFillAnalysis.EditBox(this)
   }
 
diff --git a/src/Obj/Analysis/Profile/index.js b/src/Obj/Analysis/Profile/index.js
index 3954af3..8073339 100644
--- a/src/Obj/Analysis/Profile/index.js
+++ b/src/Obj/Analysis/Profile/index.js
@@ -15,7 +15,7 @@ class Profile extends Draw {
     super(sdk)
     this.viewer = sdk.viewer;
     this.Dialog = _Dialog
-    YJ.Analysis.Analyses.push(this)
+    YJ.Analysis.AnalysesResults.push(this)
     Profile.create(this)
   }
   static create(that) {
diff --git a/src/Obj/Analysis/Section/index.js b/src/Obj/Analysis/Section/index.js
index fe4138a..2ecf3b6 100644
--- a/src/Obj/Analysis/Section/index.js
+++ b/src/Obj/Analysis/Section/index.js
@@ -15,7 +15,7 @@ class Section extends Tools {
     this.tiles3d = tiles3d
     this.options = { ...options }
     this.options.regionsType = this.options.regionsType || false
-    // YJ.Analysis.Analyses.push(this)
+    YJ.Analysis.SectionResults.push(this)
     this.Planes = []
     Section.start(this)
   }
diff --git a/src/Obj/Analysis/SlopeAspect/index.js b/src/Obj/Analysis/SlopeAspect/index.js
index 4aa1383..ccd70ac 100644
--- a/src/Obj/Analysis/SlopeAspect/index.js
+++ b/src/Obj/Analysis/SlopeAspect/index.js
@@ -24,7 +24,7 @@ class SlopeAspect extends Tools {
     this.result = []; //存储创建的坡度分析结果，primitive集合
     this.handler = undefined;
     this.toolTip = "";
-    YJ.Analysis.Analyses.push(this)
+    YJ.Analysis.AnalysesResults.push(this)
     this.Draw = new DrawPolygon(this.sdk)
     // this.createNew4Distance()
     this.createNew4Num(50)
diff --git a/src/Obj/Analysis/Submerge/index.js b/src/Obj/Analysis/Submerge/index.js
index ab94009..1ed1486 100644
--- a/src/Obj/Analysis/Submerge/index.js
+++ b/src/Obj/Analysis/Submerge/index.js
@@ -26,7 +26,7 @@ class Submerge extends Tools {
     this.status = true
     this.area = 0
     this._elms = {};
-    YJ.Analysis.Analyses.push(this)
+    YJ.Analysis.AnalysesResults.push(this)
     Submerge.EditBox(this)
     // Submerge.create(this)
   }
diff --git a/src/Obj/Analysis/ViewShed/index.js b/src/Obj/Analysis/ViewShed/index.js
index b793227..573c00c 100644
--- a/src/Obj/Analysis/ViewShed/index.js
+++ b/src/Obj/Analysis/ViewShed/index.js
@@ -56,7 +56,7 @@ class ViewShedStage extends Tools {
         this.Dialog = _Dialog
         this._EventBinding = new EventBinding()
         this.html = null
-        YJ.Analysis.Analyses.push(this)
+        YJ.Analysis.AnalysesResults.push(this)
         ViewShedStage.edit(this)
         // ViewShedStage.edit(this)
         // this.update();
diff --git a/src/Obj/Analysis/ViewShed2/index.js b/src/Obj/Analysis/ViewShed2/index.js
index ac7c509..80c4005 100644
--- a/src/Obj/Analysis/ViewShed2/index.js
+++ b/src/Obj/Analysis/ViewShed2/index.js
@@ -50,7 +50,7 @@ class ViewShedStage extends Tools {
         this.ids = []
         this.Dialog = _Dialog
         this.html = null
-        YJ.Analysis.Analyses.push(this)
+        YJ.Analysis.AnalysesResults.push(this)
         ViewShedStage.create(this)
         // ViewShedStage.edit(this)
         // this.update();
diff --git a/src/Obj/Analysis/ViewShed3/index.js b/src/Obj/Analysis/ViewShed3/index.js
index 54894ff..3117df0 100644
--- a/src/Obj/Analysis/ViewShed3/index.js
+++ b/src/Obj/Analysis/ViewShed3/index.js
@@ -38,7 +38,7 @@ class ViewShedStage extends Tools {
         this.viewpointPrimitive = null
         this.Dialog = _Dialog
         this.html = null
-        YJ.Analysis.Analyses.push(this)
+        YJ.Analysis.AnalysesResults.push(this)
         ViewShedStage.create(this)
     }
 
diff --git a/src/Obj/Analysis/Visibility/index.js b/src/Obj/Analysis/Visibility/index.js
index c356687..a7e44cd 100644
--- a/src/Obj/Analysis/Visibility/index.js
+++ b/src/Obj/Analysis/Visibility/index.js
@@ -27,7 +27,7 @@ class VisibilityAnalysis extends Tools {
     this.viewPointHeight = options.viewPointHeight
     this.Dialog = _Dialog
     this._EventBinding = new EventBinding()
-    YJ.Analysis.Analyses.push(this)
+    YJ.Analysis.AnalysesResults.push(this)
     VisibilityAnalysis.edit(this)
   }
 
diff --git a/src/Obj/Analysis/clear.js b/src/Obj/Analysis/clear.js
index 045ab07..3c904ec 100644
--- a/src/Obj/Analysis/clear.js
+++ b/src/Obj/Analysis/clear.js
@@ -1,8 +1,14 @@
-function Clear() {
-  YJ.Analysis.Analyses.forEach(m => {
+function AnalysisClear() {
+  YJ.Analysis.AnalysesResults.forEach(m => {
     m.destroy()
   })
-  // YJ.Analysis.Analyses = []
+  // YJ.Analysis.AnalysesResults = []
 }
 
-export {Clear}
\ No newline at end of file
+function SectionClear() {
+  YJ.Analysis.SectionResults.forEach(m => {
+    m.destroy()
+  })
+}
+
+export {AnalysisClear, SectionClear}
\ No newline at end of file
diff --git a/src/Obj/Analysis/test/index.js b/src/Obj/Analysis/test/index.js
index 9efc4b0..a54b54b 100644
--- a/src/Obj/Analysis/test/index.js
+++ b/src/Obj/Analysis/test/index.js
@@ -50,7 +50,7 @@ class Test extends Tools {
         this.ids = []
         this.Dialog = _Dialog
         this.html = null
-        YJ.Analysis.Analyses.push(this)
+        YJ.Analysis.AnalysesResults.push(this)
         Test.create(this)
         // Test.edit(this)
         // this.update();
diff --git a/src/Obj/Base/BillboardObject/index.js b/src/Obj/Base/BillboardObject/index.js
index 78c009d..c836256 100644
--- a/src/Obj/Base/BillboardObject/index.js
+++ b/src/Obj/Base/BillboardObject/index.js
@@ -231,7 +231,20 @@ class BillboardObject extends Base {
       that._superGif = superGif
       that._superGif.id = id  // 自定义id，用于判断gif实例是否改变
 
-      superGif.load(function () {
+      superGif.load(function (status) {
+        if (status == 404) {
+          canvas = document.createElement('canvas')
+          canvas.width = 0
+          canvas.height = 0
+          billboardH = 0
+          if (that.entity) {
+            that.entity.billboard.imgWidth = 0
+            that.entity.billboard.imgHeight = 0
+            that.entity.billboard.image = canvas
+            addCluster(that.sdk, that.entity)
+          }
+          return
+        }
         if (that._superGif.id != id) {
           return
         }
@@ -286,6 +299,17 @@ class BillboardObject extends Base {
           addCluster(that.sdk, that.entity)
         }
       }
+      image.onerror = function (err) {
+        canvas.width = 0
+        canvas.height = 0
+        billboardH = 0
+        if (that.entity) {
+          that.entity.billboard.imgWidth = 0
+          that.entity.billboard.imgHeight = 0
+          that.entity.billboard.image = canvas
+          addCluster(that.sdk, that.entity)
+        }
+      };
     }
 
     that.entity = new Cesium.Entity({
@@ -729,7 +753,24 @@ class BillboardObject extends Base {
       let billboardH = 36
       let index = 0
       _this._frameImages = []
-      superGif.load(function () {
+      superGif.load(function (status) {
+        if (status == 404) {
+          canvas = document.createElement('canvas')
+          canvas.width = 0
+          canvas.height = 0
+          billboardH = 0
+          _this.entity.billboard.imgWidth = 0
+          _this.entity.billboard.imgHeight = 0
+          _this.entity && (_this.entity.billboard.image = canvas)
+          _this.entity.billboard.height = new Cesium.CallbackProperty(function () {
+            return 0
+          }, false)
+          _this.entity.label.pixelOffset = new Cesium.CallbackProperty(function () {
+            return new Cesium.Cartesian2(0, 0)
+          }, false)
+          billboardH = height * (31 / width)
+          return
+        }
         if (_this._superGif.id != id) {
           return
         }
@@ -802,6 +843,21 @@ class BillboardObject extends Base {
         }, false)
         billboardH = height * (31 / width)
       }
+      image.onerror = function (err) {
+        canvas.width = 0
+        canvas.height = 0
+        billboardH = 0
+        _this.entity.billboard.imgWidth = 0
+        _this.entity.billboard.imgHeight = 0
+        _this.entity && (_this.entity.billboard.image = canvas)
+        _this.entity.billboard.height = new Cesium.CallbackProperty(function () {
+          return 0
+        }, false)
+        _this.entity.label.pixelOffset = new Cesium.CallbackProperty(function () {
+          return new Cesium.Cartesian2(0, 0)
+        }, false)
+        billboardH = height * (31 / width)
+      };
     }
   }
 
@@ -2077,9 +2133,9 @@ class BillboardObject extends Base {
       // )
       this.entity.label.pixelOffset = new Cesium.CallbackProperty(function () {
         if (_this.options.billboard.show) {
-          let billboardH =
+          let billboardH = _this.entity.billboard.imgHeight ?
             _this.entity.billboard.imgHeight *
-            (31 / _this.entity.billboard.imgWidth)
+            (31 / _this.entity.billboard.imgWidth) : 0
           return new Cesium.Cartesian2(
             0,
             -billboardH * _this.options.billboard.scale -
@@ -2224,7 +2280,7 @@ class BillboardObject extends Base {
         .value
     ) {
       this.options.attribute.vr.content.push({
-        name: '全景图' ,
+        name: '全景图',
         url: this._DialogObject._element.content.getElementsByClassName(
           'vr_add'
         )[0].value
@@ -2240,7 +2296,7 @@ class BillboardObject extends Base {
 
   addAttributeRr(vr) {
     this.options.attribute.vr.content.push({
-      name: '全景图' ,
+      name: '全景图',
       url: vr
     })
     this.attributeVr = this.options.attribute.vr.content
diff --git a/static/3rdparty/libgif.js b/static/3rdparty/libgif.js
index 6d0b586..ce5a948 100644
--- a/static/3rdparty/libgif.js
+++ b/static/3rdparty/libgif.js
@@ -926,8 +926,14 @@
             get_current_frame: function() { return player.current_frame() },
             load_url: function(src,callback){
                 if (!load_setup(callback)) return;
-
                 var h = new XMLHttpRequest();
+                h.onreadystatechange = function() {
+                    if (h.readyState == 4) {
+                        if (h.status == 404) {
+                            callback(404)
+                        }
+                    }
+                };
                 // new browsers (XMLHttpRequest2-compliant)
                 h.open('GET', src, true);
 
diff --git a/static/custom/css/index.css b/static/custom/css/index.css
index eadf7ca..0933ac5 100644
--- a/static/custom/css/index.css
+++ b/static/custom/css/index.css
@@ -1599,6 +1599,10 @@
   width: 23px;
   height: 26px;
   cursor: pointer;
+  border: 1px solid rgba(var(--color-sdk-base-rgb), 0.2);
+  display: flex;
+  align-items: center;
+  justify-content: center;
 }
 
 .YJ-custom-base-dialog.billboard-object>.content div .image {