diff --git a/src/editor/mode/point.js b/src/editor/mode/point.js
index b1adf46..93c4b9d 100644
--- a/src/editor/mode/point.js
+++ b/src/editor/mode/point.js
@@ -123,12 +123,12 @@ define(
                     var fontLayer = this.render.getLayer('font');
                     shapes.forEach(function(shapeId) {
                         var shape = fontLayer.getShape(shapeId);
-                        var pathBox = computeBoundingBox.computePathBox(shape.points);
-                        shape.width = pathBox.width;
-                        shape.height = pathBox.height;
-                        shape.x = shape.x + pathBox.x;
-                        shape.y = shape.y + pathBox.y;
-                        shape.points = pathAdjust(shape.points, 1, -pathBox.x, -pathBox.y);
+                        var bound = computeBoundingBox.computePath(shape.points);
+                        shape.width = bound.width;
+                        shape.height = bound.height;
+                        shape.x = shape.x + bound.x;
+                        shape.y = shape.y + bound.y;
+                        shape.points = pathAdjust(shape.points, 1, -bound.x, -bound.y);
                     });
                     fontLayer.refresh();
                 }
diff --git a/src/render/capture/Mouse.js b/src/render/capture/Mouse.js
index 7c889d1..23a7e10 100644
--- a/src/render/capture/Mouse.js
+++ b/src/render/capture/Mouse.js
@@ -194,7 +194,7 @@ define(
                 event.deltaX = event.x - this.startX;
                 event.deltaY = event.y - this.startY;
 
-                if (event.deltaX >= this.dragDelta || event.deltaY >= this.dragDelta) {
+                if (Math.abs(event.deltaX) >= this.dragDelta || Math.abs(event.deltaY) >= this.dragDelta) {
                     if (!this.isDragging) {
                         this.isDragging = true;
                         this.fire('dragstart', event);