feat: 添加液化操作串行Promise队列，确保液化操作按顺序执行

src/component/Canvas/CanvasEditor/managers/liquify/LiquifyManager.js

@@ -46,6 +46,9 @@ export class LiquifyManager {
 
     // 初始化液化管理器
     this.initialize();
+
+    // 新增：液化操作串行Promise队列
+    this._liquifyPromise = Promise.resolve();
   }
 
   /**
@@ -125,30 +128,45 @@ export class LiquifyManager {
    * @returns {ImageData} 处理后的图像数据
    */
   async applyLiquify(targetObject, mode, params, x, y) {
-    if (!this.enhancedManager || !targetObject) {
-      console.error("液化管理器未正确初始化");
-      return null;
-    }
-
-    console.log(`LiquifyManager.applyLiquify: 模式=${mode}, 坐标=(${x}, ${y}), 参数=`, params);
-
-    try {
-      // 直接调用EnhancedLiquifyManager的applyLiquify方法
-      // 避免重复设置参数，让EnhancedLiquifyManager处理参数设置
-      const resultData = await this.enhancedManager.applyLiquify(targetObject, mode, params, x, y);
-
-      // 确保返回结果数据
-      if (!resultData) {
-        console.warn("液化变形没有返回结果数据");
-      } else {
-        console.log("✅ 液化变形成功，返回图像数据尺寸:", resultData.width, "x", resultData.height);
+    // 串行化：等待上一次液化操作完成
+    this._liquifyPromise = this._liquifyPromise.then(async () => {
+      if (!this.enhancedManager || !targetObject) {
+        console.error("液化管理器未正确初始化");
+        return null;
       }
 
-      return resultData;
-    } catch (error) {
-      console.error("液化变形应用失败:", error);
-      return null;
-    }
+      console.log(
+        `LiquifyManager.applyLiquify: 模式=${mode}, 坐标=(${x}, ${y}), 参数=`,
+        params
+      );
+
+      try {
+        // 直接调用EnhancedLiquifyManager的applyLiquify方法
+        const resultData = await this.enhancedManager.applyLiquify(
+          targetObject,
+          mode,
+          params,
+          x,
+          y
+        );
+        if (!resultData) {
+          console.warn("液化变形没有返回结果数据");
+        } else {
+          console.log(
+            "✅ 液化变形成功，返回图像数据尺寸:",
+            resultData.width,
+            "x",
+            resultData.height
+          );
+        }
+        return resultData;
+      } catch (error) {
+        console.error("液化变形应用失败:", error);
+        return null;
+      }
+    });
+    // 返回当前Promise，保证外部可await
+    return this._liquifyPromise;
   }
 
   /**