diff --git a/demo/js/config/demo.pane.js b/demo/js/config/demo.pane.js
index 017da481fb..30b2415a71 100644
--- a/demo/js/config/demo.pane.js
+++ b/demo/js/config/demo.pane.js
@@ -9,7 +9,7 @@
 
         },
 
-        loadedRender: function () {
+        render: function () {
             return {
                 type: "bi.center_adapt",
                 items: [{
@@ -19,7 +19,7 @@
             };
         },
 
-        reqInitData: function (callback) {
+        beforeInit: function (callback) {
             setTimeout(function () {
                 callback();
             }, 3000);
diff --git a/dist/bundle.ie.js b/dist/bundle.ie.js
index 92d5257795..65bb071981 100644
--- a/dist/bundle.ie.js
+++ b/dist/bundle.ie.js
@@ -11771,6 +11771,10 @@ if (!_global.BI) {
             this._initElementHeight();
             this._initVisual();
             this._initState();
+            this._initRender();
+        },
+
+        _initRender: function () {
             if (this.beforeInit) {
                 this.__asking = true;
                 this.beforeInit(BI.bind(this._render, this));
@@ -57180,37 +57184,28 @@ BI.shortcut("bi.sort_list", BI.SortList);
 BI.LoadingPane = BI.inherit(BI.Pane, {
 
     _mount: function () {
-        BI.Pane.superclass._mount.apply(this, arguments);
-        if (this.isMounted()) {
-            this.loading();
-            this.reqInitData(BI.bind(this.__loaded, this));
+        var isMounted = BI.LoadingPane.superclass._mount.apply(this, arguments);
+        if (isMounted) {
+            if (this.beforeInit) {
+                this.__asking = true;
+                this.loading();
+                this.beforeInit(BI.bind(this.__loaded, this));
+            }
         }
     },
 
-    render: function () {
-        return {
-            type: "bi.default"
-        };
-    },
-
-    /**
-     * 子类用loadedRender代替原先的render方法
-     */
-    loadedRender: function () {
-        return {
-            type: "bi.default"
-        };
-    },
-
-    reqInitData: function (callback) {
-        BI.isFunction(callback) && callback();
+    _initRender: function () {
+        if (this.beforeInit) {
+            this.__async = true;
+        } else {
+            this._render();
+        }
     },
 
     __loaded: function () {
+        this.__asking = false;
         this.loaded();
-        BI.createWidget(this.loadedRender(), {
-            element: this
-        }, this);
+        this._render();
     }
 });/**
  * 有总页数和总行数的分页控件
diff --git a/dist/bundle.js b/dist/bundle.js
index 3313069e3a..dfad0129e3 100644
--- a/dist/bundle.js
+++ b/dist/bundle.js
@@ -11771,6 +11771,10 @@ if (!_global.BI) {
             this._initElementHeight();
             this._initVisual();
             this._initState();
+            this._initRender();
+        },
+
+        _initRender: function () {
             if (this.beforeInit) {
                 this.__asking = true;
                 this.beforeInit(BI.bind(this._render, this));
@@ -57584,37 +57588,28 @@ BI.shortcut("bi.sort_list", BI.SortList);
 BI.LoadingPane = BI.inherit(BI.Pane, {
 
     _mount: function () {
-        BI.Pane.superclass._mount.apply(this, arguments);
-        if (this.isMounted()) {
-            this.loading();
-            this.reqInitData(BI.bind(this.__loaded, this));
+        var isMounted = BI.LoadingPane.superclass._mount.apply(this, arguments);
+        if (isMounted) {
+            if (this.beforeInit) {
+                this.__asking = true;
+                this.loading();
+                this.beforeInit(BI.bind(this.__loaded, this));
+            }
         }
     },
 
-    render: function () {
-        return {
-            type: "bi.default"
-        };
-    },
-
-    /**
-     * 子类用loadedRender代替原先的render方法
-     */
-    loadedRender: function () {
-        return {
-            type: "bi.default"
-        };
-    },
-
-    reqInitData: function (callback) {
-        BI.isFunction(callback) && callback();
+    _initRender: function () {
+        if (this.beforeInit) {
+            this.__async = true;
+        } else {
+            this._render();
+        }
     },
 
     __loaded: function () {
+        this.__asking = false;
         this.loaded();
-        BI.createWidget(this.loadedRender(), {
-            element: this
-        }, this);
+        this._render();
     }
 });/**
  * 有总页数和总行数的分页控件
diff --git a/dist/case.js b/dist/case.js
index 20f9a660fc..fd314080ea 100644
--- a/dist/case.js
+++ b/dist/case.js
@@ -7982,37 +7982,28 @@ BI.shortcut("bi.sort_list", BI.SortList);
 BI.LoadingPane = BI.inherit(BI.Pane, {
 
     _mount: function () {
-        BI.Pane.superclass._mount.apply(this, arguments);
-        if (this.isMounted()) {
-            this.loading();
-            this.reqInitData(BI.bind(this.__loaded, this));
+        var isMounted = BI.LoadingPane.superclass._mount.apply(this, arguments);
+        if (isMounted) {
+            if (this.beforeInit) {
+                this.__asking = true;
+                this.loading();
+                this.beforeInit(BI.bind(this.__loaded, this));
+            }
         }
     },
 
-    render: function () {
-        return {
-            type: "bi.default"
-        };
-    },
-
-    /**
-     * 子类用loadedRender代替原先的render方法
-     */
-    loadedRender: function () {
-        return {
-            type: "bi.default"
-        };
-    },
-
-    reqInitData: function (callback) {
-        BI.isFunction(callback) && callback();
+    _initRender: function () {
+        if (this.beforeInit) {
+            this.__async = true;
+        } else {
+            this._render();
+        }
     },
 
     __loaded: function () {
+        this.__asking = false;
         this.loaded();
-        BI.createWidget(this.loadedRender(), {
-            element: this
-        }, this);
+        this._render();
     }
 });/**
  * 有总页数和总行数的分页控件
diff --git a/dist/core.js b/dist/core.js
index eca8223d8d..93055802e7 100644
--- a/dist/core.js
+++ b/dist/core.js
@@ -11771,6 +11771,10 @@ if (!_global.BI) {
             this._initElementHeight();
             this._initVisual();
             this._initState();
+            this._initRender();
+        },
+
+        _initRender: function () {
             if (this.beforeInit) {
                 this.__asking = true;
                 this.beforeInit(BI.bind(this._render, this));
diff --git a/dist/demo.js b/dist/demo.js
index da5cc301ea..2849c470ad 100644
--- a/dist/demo.js
+++ b/dist/demo.js
@@ -3509,7 +3509,7 @@ Demo.COMPONENT_CONFIG = [{
 
         },
 
-        loadedRender: function () {
+        render: function () {
             return {
                 type: "bi.center_adapt",
                 items: [{
@@ -3519,7 +3519,7 @@ Demo.COMPONENT_CONFIG = [{
             };
         },
 
-        reqInitData: function (callback) {
+        beforeInit: function (callback) {
             setTimeout(function () {
                 callback();
             }, 3000);
diff --git a/dist/fineui.ie.js b/dist/fineui.ie.js
index 4e84af9082..9c81c0af31 100644
--- a/dist/fineui.ie.js
+++ b/dist/fineui.ie.js
@@ -12016,6 +12016,10 @@ if (!_global.BI) {
             this._initElementHeight();
             this._initVisual();
             this._initState();
+            this._initRender();
+        },
+
+        _initRender: function () {
             if (this.beforeInit) {
                 this.__asking = true;
                 this.beforeInit(BI.bind(this._render, this));
@@ -57425,37 +57429,28 @@ BI.shortcut("bi.sort_list", BI.SortList);
 BI.LoadingPane = BI.inherit(BI.Pane, {
 
     _mount: function () {
-        BI.Pane.superclass._mount.apply(this, arguments);
-        if (this.isMounted()) {
-            this.loading();
-            this.reqInitData(BI.bind(this.__loaded, this));
+        var isMounted = BI.LoadingPane.superclass._mount.apply(this, arguments);
+        if (isMounted) {
+            if (this.beforeInit) {
+                this.__asking = true;
+                this.loading();
+                this.beforeInit(BI.bind(this.__loaded, this));
+            }
         }
     },
 
-    render: function () {
-        return {
-            type: "bi.default"
-        };
-    },
-
-    /**
-     * 子类用loadedRender代替原先的render方法
-     */
-    loadedRender: function () {
-        return {
-            type: "bi.default"
-        };
-    },
-
-    reqInitData: function (callback) {
-        BI.isFunction(callback) && callback();
+    _initRender: function () {
+        if (this.beforeInit) {
+            this.__async = true;
+        } else {
+            this._render();
+        }
     },
 
     __loaded: function () {
+        this.__asking = false;
         this.loaded();
-        BI.createWidget(this.loadedRender(), {
-            element: this
-        }, this);
+        this._render();
     }
 });/**
  * 有总页数和总行数的分页控件
diff --git a/dist/fineui.js b/dist/fineui.js
index f2a14c03ad..519d8b0f58 100644
--- a/dist/fineui.js
+++ b/dist/fineui.js
@@ -12016,6 +12016,10 @@ if (!_global.BI) {
             this._initElementHeight();
             this._initVisual();
             this._initState();
+            this._initRender();
+        },
+
+        _initRender: function () {
             if (this.beforeInit) {
                 this.__asking = true;
                 this.beforeInit(BI.bind(this._render, this));
@@ -57829,37 +57833,28 @@ BI.shortcut("bi.sort_list", BI.SortList);
 BI.LoadingPane = BI.inherit(BI.Pane, {
 
     _mount: function () {
-        BI.Pane.superclass._mount.apply(this, arguments);
-        if (this.isMounted()) {
-            this.loading();
-            this.reqInitData(BI.bind(this.__loaded, this));
+        var isMounted = BI.LoadingPane.superclass._mount.apply(this, arguments);
+        if (isMounted) {
+            if (this.beforeInit) {
+                this.__asking = true;
+                this.loading();
+                this.beforeInit(BI.bind(this.__loaded, this));
+            }
         }
     },
 
-    render: function () {
-        return {
-            type: "bi.default"
-        };
-    },
-
-    /**
-     * 子类用loadedRender代替原先的render方法
-     */
-    loadedRender: function () {
-        return {
-            type: "bi.default"
-        };
-    },
-
-    reqInitData: function (callback) {
-        BI.isFunction(callback) && callback();
+    _initRender: function () {
+        if (this.beforeInit) {
+            this.__async = true;
+        } else {
+            this._render();
+        }
     },
 
     __loaded: function () {
+        this.__asking = false;
         this.loaded();
-        BI.createWidget(this.loadedRender(), {
-            element: this
-        }, this);
+        this._render();
     }
 });/**
  * 有总页数和总行数的分页控件
diff --git a/dist/fineui_without_jquery_polyfill.js b/dist/fineui_without_jquery_polyfill.js
index fde7675700..f7a243e0ef 100644
--- a/dist/fineui_without_jquery_polyfill.js
+++ b/dist/fineui_without_jquery_polyfill.js
@@ -11771,6 +11771,10 @@ if (!_global.BI) {
             this._initElementHeight();
             this._initVisual();
             this._initState();
+            this._initRender();
+        },
+
+        _initRender: function () {
             if (this.beforeInit) {
                 this.__asking = true;
                 this.beforeInit(BI.bind(this._render, this));
@@ -40842,37 +40846,28 @@ BI.shortcut("bi.sort_list", BI.SortList);
 BI.LoadingPane = BI.inherit(BI.Pane, {
 
     _mount: function () {
-        BI.Pane.superclass._mount.apply(this, arguments);
-        if (this.isMounted()) {
-            this.loading();
-            this.reqInitData(BI.bind(this.__loaded, this));
+        var isMounted = BI.LoadingPane.superclass._mount.apply(this, arguments);
+        if (isMounted) {
+            if (this.beforeInit) {
+                this.__asking = true;
+                this.loading();
+                this.beforeInit(BI.bind(this.__loaded, this));
+            }
         }
     },
 
-    render: function () {
-        return {
-            type: "bi.default"
-        };
-    },
-
-    /**
-     * 子类用loadedRender代替原先的render方法
-     */
-    loadedRender: function () {
-        return {
-            type: "bi.default"
-        };
-    },
-
-    reqInitData: function (callback) {
-        BI.isFunction(callback) && callback();
+    _initRender: function () {
+        if (this.beforeInit) {
+            this.__async = true;
+        } else {
+            this._render();
+        }
     },
 
     __loaded: function () {
+        this.__asking = false;
         this.loaded();
-        BI.createWidget(this.loadedRender(), {
-            element: this
-        }, this);
+        this._render();
     }
 });/**
  * 有总页数和总行数的分页控件
diff --git a/src/case/loading/loading_pane.js b/src/case/loading/loading_pane.js
index f8668763f4..0066c58fbc 100644
--- a/src/case/loading/loading_pane.js
+++ b/src/case/loading/loading_pane.js
@@ -8,36 +8,27 @@
 BI.LoadingPane = BI.inherit(BI.Pane, {
 
     _mount: function () {
-        BI.Pane.superclass._mount.apply(this, arguments);
-        if (this.isMounted()) {
-            this.loading();
-            this.reqInitData(BI.bind(this.__loaded, this));
+        var isMounted = BI.LoadingPane.superclass._mount.apply(this, arguments);
+        if (isMounted) {
+            if (this.beforeInit) {
+                this.__asking = true;
+                this.loading();
+                this.beforeInit(BI.bind(this.__loaded, this));
+            }
         }
     },
 
-    render: function () {
-        return {
-            type: "bi.default"
-        };
-    },
-
-    /**
-     * 子类用loadedRender代替原先的render方法
-     */
-    loadedRender: function () {
-        return {
-            type: "bi.default"
-        };
-    },
-
-    reqInitData: function (callback) {
-        BI.isFunction(callback) && callback();
+    _initRender: function () {
+        if (this.beforeInit) {
+            this.__async = true;
+        } else {
+            this._render();
+        }
     },
 
     __loaded: function () {
+        this.__asking = false;
         this.loaded();
-        BI.createWidget(this.loadedRender(), {
-            element: this
-        }, this);
+        this._render();
     }
 });
\ No newline at end of file
diff --git a/src/core/widget.js b/src/core/widget.js
index d84839f207..dbbda9eeb7 100644
--- a/src/core/widget.js
+++ b/src/core/widget.js
@@ -54,6 +54,10 @@
             this._initElementHeight();
             this._initVisual();
             this._initState();
+            this._initRender();
+        },
+
+        _initRender: function () {
             if (this.beforeInit) {
                 this.__asking = true;
                 this.beforeInit(BI.bind(this._render, this));