diff --git a/src/Add-on/testEntity/test.ts b/src/Add-on/testEntity/test.ts
index 2a67f1004..9d1c1263f 100644
--- a/src/Add-on/testEntity/test.ts
+++ b/src/Add-on/testEntity/test.ts
@@ -20,12 +20,11 @@ export class Test implements Command
         if (enRes.Status === PromptStatus.OK)
         {
             let en = enRes.SelectSet.SelectEntityList as Board[];
-            let highSeals: IHighSealedItem[] = [{ size: 1 }, { size: 1 }, { size: 1 }, { size: 2 }, { size: 3 }, { size: 4 }, { size: 5 }, { size: 6 }, { size: 7 }];
 
             for (let e of en)
             {
                 // if (e.IsClockWise) e.ColorIndex = 1;
-                console.log(ParagraphSealinglist(highSeals, e.ContourCurve.Explode() as Curve[]));
+                console.log(Production.GetBoardSplitOrderData(e as Board));
             }
         }
     }
diff --git a/src/Production/Product.ts b/src/Production/Product.ts
index 036dd809a..e5bc020e7 100644
--- a/src/Production/Product.ts
+++ b/src/Production/Product.ts
@@ -174,6 +174,10 @@ export namespace Production
     }
 
     const SPLITBUL = Math.tan(Math.PI / 8);
+    function GetSpliteCount(allAngle: number)
+    {
+        return Math.ceil(Math.abs(allAngle) / Math.PI * 2);
+    }
 
     /** 打断多段线超过1/4圆的圆弧*/
     export function SplitePolylineAtArc(cu: Polyline): { pts: Vector2[], buls: number[]; }
@@ -192,7 +196,7 @@ export namespace Production
             if (Math.abs(bul) > SPLITBUL + 1e-8)
             {
                 let allAngle = Math.atan(bul) * 4;
-                let splitCount = Math.floor(Math.abs(allAngle) / (Math.PI / 2)) + 1;
+                let splitCount = GetSpliteCount(allAngle);
                 let arc = cu.GetCurveAtIndex(i) as Arc;
                 let paramDiv = 1 / splitCount;
                 let newBul = Math.tan((allAngle / splitCount) / 4);
@@ -243,15 +247,22 @@ export namespace Production
                 }
                 else if (cu instanceof Arc)
                 {
-                    let allAngle = cu.AllAngle;
+                    let splitCount = GetSpliteCount(cu.AllAngle);
                     let len = 2 * Math.PI * cu.Radius / 4;
-                    let splitCount = Math.ceil(allAngle / Math.PI * 2);
                     for (let i = 0; i < splitCount; i++)
                     {
                         let arcLen = i !== splitCount - 1 ? len : cu.Length - (splitCount - 1) * len;
                         sealData.push(Object.assign({}, data, { length: arcLen }));
                     }
                 }
+                else if (cu instanceof Circle)
+                {
+                    let length = 2 * Math.PI * cu.Radius / 4;
+                    sealData.push(...Array.from({ length: 4 }, () =>
+                    {
+                        return { ...data, length };
+                    }));
+                }
             }
         }