diff --git a/NDSD-Screwdriver/ScrewdriverTest.cs b/NDSD-Screwdriver/ScrewdriverTest.cs
index d278ff9..dc4f4c5 100644
--- a/NDSD-Screwdriver/ScrewdriverTest.cs
+++ b/NDSD-Screwdriver/ScrewdriverTest.cs
@@ -69,11 +69,15 @@ namespace NDSD_Screwdriver
                 MessageBox.Show("属性值无效！");
                 return;
             }
-            for (int i = 0; i <= 16; i++)
+            Thread thread = new Thread(() =>
             {
-                DOperate.DClose(i);
-                Thread.Sleep(span);
-            }
+                for (int i = 0; i <= 16; i++)
+                {
+                    DOperate.DClose(i);
+                    Thread.Sleep(span);
+                }
+            });
+            thread.Start();
         }
 
         private void DOpenAll_Click(object sender, EventArgs e)
@@ -85,11 +89,15 @@ namespace NDSD_Screwdriver
                 MessageBox.Show("属性值无效！");
                 return;
             }
-            for (int i = 0; i <= 16; i++)
+            Thread thread = new Thread(() =>
             {
-                DOperate.DOpen(i);
-                Thread.Sleep(span);
-            }
+                for (int i = 0; i <= 16; i++)
+                {
+                    DOperate.DOpen(i);
+                    Thread.Sleep(span);
+                }
+            });
+            thread.Start();
         }
 
         private void ScrewdriverTest_FormClosed(object sender, FormClosedEventArgs e)
@@ -118,11 +126,15 @@ namespace NDSD_Screwdriver
                 MessageBox.Show("属性值无效！");
                 return;
             }
-            for (int i = 0; i <= 16; i++)
+            Thread thread = new Thread(() =>
             {
-                DOperate.DTimeOpen(i, time);
-                Thread.Sleep(span);
-            }
+                for (int i = 0; i <= 16; i++)
+                {
+                    DOperate.DTimeOpen(i, time);
+                    Thread.Sleep(span);
+                }
+            });
+            thread.Start();
         }
 
     }