圆角矩形grayscale修复

assets/resources/scenes/roundbox.scene

@@ -375,7 +375,7 @@
     "_priority": 1073741824,
     "_fov": 45,
     "_fovAxis": 0,
-    "_orthoHeight": 360,
+    "_orthoHeight": 432.71729185727355,
     "_near": 1,
     "_far": 2000,
     "_color": {
@@ -498,6 +498,7 @@
       "a": 255
     },
     "_sizeMode": 1,
+    "_useGrayscale": false,
     "_atlas": null,
     "_segments": 10,
     "_radius": 20,
@@ -602,6 +603,7 @@
       "a": 255
     },
     "_sizeMode": 1,
+    "_useGrayscale": false,
     "_atlas": null,
     "_segments": 10,
     "_radius": 41.8,
@@ -706,6 +708,7 @@
       "a": 255
     },
     "_sizeMode": 1,
+    "_useGrayscale": true,
     "_atlas": null,
     "_segments": 10,
     "_radius": 70,
@@ -826,6 +829,29 @@
     "_isUnderline": false,
     "_underlineHeight": 2,
     "_cacheMode": 0,
+    "_enableOutline": false,
+    "_outlineColor": {
+      "__type__": "cc.Color",
+      "r": 0,
+      "g": 0,
+      "b": 0,
+      "a": 255
+    },
+    "_outlineWidth": 2,
+    "_enableShadow": false,
+    "_shadowColor": {
+      "__type__": "cc.Color",
+      "r": 0,
+      "g": 0,
+      "b": 0,
+      "a": 255
+    },
+    "_shadowOffset": {
+      "__type__": "cc.Vec2",
+      "x": 2,
+      "y": 2
+    },
+    "_shadowBlur": 2,
     "_id": "fadO2qZxVJT7cg7SzoCeIZ"
   },
   {
@@ -984,6 +1010,7 @@
       "z": 0
     },
     "_distance": 0,
+    "_planeBias": 1,
     "_shadowColor": {
       "__type__": "cc.Color",
       "r": 76,