modified decodeData

bower.json

@@ -2,7 +2,7 @@
     "name": "kityminder-core",
     "title": "Kity Minder Core",
     "description": "Powerful online mind graphic visualization and editor (command based)",
-    "version": "1.4.11",
+    "version": "1.4.12",
     "main": [
         "release/kityminder.core.min.js",
         "release/kityminder.core.css"

dist/kityminder.core.js

@@ -883,9 +883,7 @@ _p[11] = {
                 };
                 // 导入前抛事件
                 this._fire(new MinderEvent("beforeimport", params));
-                return Promise.resolve(protocol.decode(data, this, option)).then(function(json) {
-                    return json;
-                });
+                return Promise.resolve(protocol.decode(data, this, option));
             }
         });
     }

src/core/data.js

@@ -245,9 +245,7 @@ define(function(require, exports, module) {
             // 导入前抛事件
             this._fire(new MinderEvent('beforeimport', params));
 
-            return Promise.resolve(protocol.decode(data, this, option)).then(function(json) {
-                return json;
-            });
+            return Promise.resolve(protocol.decode(data, this, option))
         }
     });
 });
\ No newline at end of file