diff --git a/app/src/constants.ts b/app/src/constants.ts
index 511dc7b47..04c5aca81 100644
--- a/app/src/constants.ts
+++ b/app/src/constants.ts
@@ -225,6 +225,7 @@ export abstract class Constants {
     public static readonly DIALOG_SAVEWORKSPACE = "dialog-saveworkspace"; // 保存工作空间
 
     // timeout
+    public static readonly TIMEOUT_OPENDIALOG = 50;
     public static readonly TIMEOUT_DBLCLICK = 190;
     public static readonly TIMEOUT_INPUT = 256;
     public static readonly TIMEOUT_LOAD = 300;
diff --git a/app/src/dialog/index.ts b/app/src/dialog/index.ts
index 7933473b0..39c856375 100644
--- a/app/src/dialog/index.ts
+++ b/app/src/dialog/index.ts
@@ -78,7 +78,7 @@ left:${left || "auto"};top:${top || "auto"}">
         } else {
             setTimeout(() => {
                 this.element.classList.add("b3-dialog--open");
-            });
+            }, Constants.TIMEOUT_OPENDIALOG);
         }
         /// #if !MOBILE
         moveResize(this.element.querySelector(".b3-dialog__container"), options.resizeCallback);