diff --git a/4_L0.json b/4_L0.json
index 2465bb6..46e76f0 100644
--- a/4_L0.json
+++ b/4_L0.json
@@ -24,7 +24,7 @@
         },
         {
             "data": {
-                "include": "D:/BigC2022/temp/ArchitectureColoredPainting/svg/4_L0-fill.svg"
+                "include": "D:/BigC2022/temp/ArchitectureColoredPainting/svg/4_L0.svg"
             },
             "name": "4_L0-fill.svg",
             "type": "svg-file"
diff --git a/ArchitectureColoredPainting/ArchitectureColoredPainting.vcxproj.filters b/ArchitectureColoredPainting/ArchitectureColoredPainting.vcxproj.filters
index 22b36f7..ec634e5 100644
--- a/ArchitectureColoredPainting/ArchitectureColoredPainting.vcxproj.filters
+++ b/ArchitectureColoredPainting/ArchitectureColoredPainting.vcxproj.filters
@@ -225,9 +225,6 @@
     <ClCompile Include="src\NavigationBarWidget.cpp">
       <Filter>Source Files\Editor</Filter>
     </ClCompile>
-    <ClCompile Include="src\Editor\EditorWidgetComponent\ColorPicker.cpp">
-      <Filter>Source Files\Editor</Filter>
-    </ClCompile>
     <ClCompile Include="src\Editor\EditorWidget.cpp">
       <Filter>Source Files\Editor</Filter>
     </ClCompile>
@@ -264,6 +261,9 @@
     <ClCompile Include="src\Editor\DataManager\ProjectDataManager.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="src\Editor\EditorWidgetComponent\ColorPicker.cpp">
+      <Filter>Source Files\Editor</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <QtMoc Include="src\Renderer\RendererGLWidget.h">
diff --git a/ArchitectureColoredPainting/res/Shaders/element.comp b/ArchitectureColoredPainting/res/Shaders/element.comp
index 511c470..e8c1ca6 100644
--- a/ArchitectureColoredPainting/res/Shaders/element.comp
+++ b/ArchitectureColoredPainting/res/Shaders/element.comp
@@ -1131,14 +1131,8 @@ void main()
                 {
                     vec2 pTemp = path[pathIndex + 1];
                     if (isinf(pTemp.x))
-                    {
-                        if(endType == 4)
-                        {
-                            //onVeryEnd = false;
-                            tangentBeginNext = tangentFirstBegin;
-                        }
-                        else
-                            onVeryEnd = true;
+                    { 
+                        onVeryEnd = true;
                     }
                     else
                     {
@@ -1151,7 +1145,16 @@ void main()
                     }
                 }
                 else
-                     onVeryEnd = true;
+                {
+                    if(endType == 4)
+                    {
+                        //onVeryEnd = false;
+                        tangentBeginNext = tangentFirstBegin;
+                    }
+                    else
+                        onVeryEnd = true;
+                }
+                     
 
                 float d = cubic_bezier_dis(localUV, p[0], p[1], p[2], p[3], true);
                 if (d <= strokeWidth)
@@ -1199,7 +1202,7 @@ void main()
                         }
                     }
                     tangentEndLast = tangentEnd;
-                    if(pathIndex == 0)
+                    if(pathIndex == 4)
                         tangentFirstBegin = tangentBegin;
                 }
                 p3Last = p[3];
diff --git a/UnitTest/ElementRendererTest.cpp b/UnitTest/ElementRendererTest.cpp
index 5760980..c1c12ab 100644
--- a/UnitTest/ElementRendererTest.cpp
+++ b/UnitTest/ElementRendererTest.cpp
@@ -4,6 +4,7 @@
 #include "ElementRendererTest.h"
 #include "Renderer/Painting/ElementStyle.h"
 #include "Renderer/Painting/MaterialStyleFill.h"
+#include "Editor/util/SvgFileLoader.h"
 
 using namespace Microsoft::VisualStudio::CppUnitTestFramework;
 using namespace Renderer;
@@ -203,6 +204,30 @@ namespace UnitTest
 			w.show();
 			a.exec();
 		}
+		TEST_METHOD(TestBothSidesClosed)
+		{
+			QPainterPath closedPath;
+			SvgFileLoader().loadSvgFile("../../svg/4_L0.svg", closedPath);
+			closedPath = QTransform::fromScale(5, 5).map(closedPath);
+			QApplication a(argc, argv);
+			class StyleStrokeRadialGradient : public Renderer::ElementStyle
+			{
+				virtual std::vector<Renderer::BaseStyle> toBaseStyles() const override
+				{
+					std::map<float, Material> materialMap = {
+						{0.20, Material{QColor(255,255,255)}},
+						{0.60, Material{QColor(165,176,207)}},
+						{1.00, Material{QColor(58,64,151)}}
+					};
+					return { BaseStyle(std::make_shared<TransformStyle>(),
+						std::make_shared<MaterialStyleStroke>(20, StrokeType::kLeftSide, StrokeEndType::kClosed,
+							std::make_shared<StrokeRadialGradient>(materialMap, false))) };
+				}
+			} style;
+			TestGLWidget w(style, closedPath);
+			w.show();
+			a.exec();
+		}
 	};
 
 	TEST_CLASS(ElementRendererStokeMaterialTest)
diff --git a/svg/4_L0.svg b/svg/4_L0.svg
index 58facaf..c2a99b3 100644
--- a/svg/4_L0.svg
+++ b/svg/4_L0.svg
@@ -1,5 +1,4 @@
-<svg id="万字笔画" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1068 1045">
-  <title>4_L0</title>
-  <polyline points="873 0 360 390 427 483 490 439 600 592 690 524 750 608 189 1045" fill="none"/>
-  <polyline points="1068 830 651 303 566 373 629 455 487 566 538 632 461 696 0 99" fill="none"/>
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 141 171">
+  <title>4_L0的副本</title>
+  <polygon points="0.5 0.5 140.5 0.5 140.5 10.5 115.5 10.5 115.5 35.5 105.5 35.5 105.5 10.5 75.5 10.5 75.5 160.5 105.5 160.5 105.5 135.5 115.5 135.5 115.5 160.5 140.5 160.5 140.5 170.5 0.5 170.5 0.5 160.5 25.5 160.5 25.5 135.5 35.5 135.5 35.5 160.5 65.5 160.5 65.5 10.5 35.5 10.5 35.5 35.5 25.5 35.5 25.5 10.5 0.5 10.5 0.5 0.5" fill="none" stroke="#000" stroke-miterlimit="10"/>
 </svg>
diff --git a/test.json b/test.json
index c5158fb..d369f0c 100644
--- a/test.json
+++ b/test.json
@@ -21,6 +21,13 @@
             },
             "name": "ababa2",
             "type": "svg-file"
+        },
+        {
+            "data": {
+                "include": "D:/BigC2022/temp/ArchitectureColoredPainting/svg/3.svg"
+            },
+            "name": "3.svg",
+            "type": "svg-file"
         }
     ],
     "height": 1080,
@@ -76,6 +83,30 @@
                                 "y": 1.5
                             }
                         }
+                    },
+                    {
+                        "element": -842150451,
+                        "is-folder": false,
+                        "name": "子图层-3",
+                        "styles": [
+                            {
+                                "enableEachSideIndependent": false,
+                                "left": "AAAAQAEAIZwAf///AP8A/w==",
+                                "right": "AADgQAAACJw=",
+                                "type": "stroke"
+                            }
+                        ],
+                        "transform": {
+                            "offset": {
+                                "x": 0,
+                                "y": 0
+                            },
+                            "rotation": 0,
+                            "scale": {
+                                "x": 1,
+                                "y": 1
+                            }
+                        }
                     }
                 ],
                 "is-folder": true,