diff --git a/MonacoCore/build/release/MonacoCore.zip b/MonacoCore/build/release/MonacoCore.zip
index f656577..c221d96 100644
Binary files a/MonacoCore/build/release/MonacoCore.zip and b/MonacoCore/build/release/MonacoCore.zip differ
diff --git a/libantosdk/build.json b/libantosdk/build.json
index 86d032a..c188db5 100644
--- a/libantosdk/build.json
+++ b/libantosdk/build.json
@@ -43,7 +43,7 @@
                     "name": "vfs-cp",
                     "data": {
                         "src": [
-                             "core",
+                            "core",
                             "package.json",
                             "README.md"
                         ],
@@ -53,7 +53,7 @@
             ]
         },
         "release": {
-            "depend": ["clean","build","uglify", "copy"],
+            "depend": ["build","uglify", "copy"],
             "require": ["zip"],
             "jobs": [
                 {
diff --git a/libantosdk/build/release/libantosdk.zip b/libantosdk/build/release/libantosdk.zip
index 9d781f2..08e65fc 100644
Binary files a/libantosdk/build/release/libantosdk.zip and b/libantosdk/build/release/libantosdk.zip differ
diff --git a/libantosdk/core/ts/jquery.d.ts b/libantosdk/core/ts/jquery.d.ts
index e803b9c..4335473 100644
--- a/libantosdk/core/ts/jquery.d.ts
+++ b/libantosdk/core/ts/jquery.d.ts
@@ -1,3 +1,90 @@
+export as namespace Sizzle;
+
+declare const Sizzle: SizzleStatic;
+export = Sizzle;
+
+interface SizzleStatic {
+    selectors: Sizzle.Selectors;
+    <TArrayLike extends ArrayLike<Element>>(selector: string, context: Element | Document | DocumentFragment, results: TArrayLike): TArrayLike;
+    (selector: string, context?: Element | Document | DocumentFragment): Element[];
+    // tslint:disable-next-line:ban-types
+    compile(selector: string): Function;
+    matchSelector(element: Element, selector: string): boolean;
+    matches(selector: string, elements: Element[]): Element[];
+}
+
+declare namespace Sizzle {
+    interface Selectors {
+        cacheLength: number;
+        match: Selectors.Matches;
+        find: Selectors.FindFunctions;
+        preFilter: Selectors.PreFilterFunctions;
+        filter: Selectors.FilterFunctions;
+        attrHandle: Selectors.AttrHandleFunctions;
+        pseudos: Selectors.PseudoFunctions;
+        setFilters: Selectors.SetFilterFunctions;
+        createPseudo(fn: Selectors.CreatePseudoFunction): Selectors.PseudoFunction;
+    }
+
+    namespace Selectors {
+        interface Matches {
+            [name: string]: RegExp;
+        }
+
+        interface FindFunction {
+            (match: RegExpMatchArray, context: Element | Document, isXML: boolean): Element[] | void;
+        }
+
+        interface FindFunctions {
+            [name: string]: FindFunction;
+        }
+
+        interface PreFilterFunction {
+            (match: RegExpMatchArray): string[];
+        }
+
+        interface PreFilterFunctions {
+            [name: string]: PreFilterFunction;
+        }
+
+        interface FilterFunction {
+            (element: string, ...matches: string[]): boolean;
+        }
+
+        interface FilterFunctions {
+            [name: string]: FilterFunction;
+        }
+
+        interface AttrHandleFunction {
+            (elem: any, casePreservedName: string, isXML: boolean): string;
+        }
+
+        interface AttrHandleFunctions {
+            [name: string]: AttrHandleFunction;
+        }
+
+        interface PseudoFunction {
+            (elem: Element): boolean;
+        }
+
+        interface PseudoFunctions {
+            [name: string]: PseudoFunction;
+        }
+
+        interface SetFilterFunction {
+            (elements: Element[], argument: number, not: boolean): Element[];
+        }
+
+        interface SetFilterFunctions {
+            [name: string]: SetFilterFunction;
+        }
+
+        interface CreatePseudoFunction {
+            (...args: any[]): PseudoFunction;
+        }
+    }
+}
+
 // tslint:disable:jsdoc-format
 // tslint:disable:max-line-length
 // tslint:disable:no-irregular-whitespace
diff --git a/libantosdk/core/worker.js b/libantosdk/core/worker.js
index b284f21..3322d7f 100644
--- a/libantosdk/core/worker.js
+++ b/libantosdk/core/worker.js
@@ -465,9 +465,21 @@ API.jobhandle["vfs-mkdir"] = VFSJob;
 API.jobhandle["vfs-cp"] = VFSJob;
 
 onmessage = (e) => {
-    if(API.jobhandle[e.data.cmd])
-    {
-        return (new API.jobhandle[e.data.cmd](e.data)).execute();
+    try{
+        if(API.jobhandle[e.data.cmd])
+        {
+            return (new API.jobhandle[e.data.cmd](e.data)).execute();
+        }
+        (new UnknownJob(e.data)).execute();
+    }
+    catch(error)
+    {
+        const result = {
+            id: e.data.id,
+            type: "result",
+            error: error.toString(),
+            result: false
+        };
+        postMessage(result);
     }
-    (new UnknownJob(e.data)).execute();
 }
\ No newline at end of file
diff --git a/libantosdk/package.json b/libantosdk/package.json
index ea4cccb..2ba93d0 100644
--- a/libantosdk/package.json
+++ b/libantosdk/package.json
@@ -6,7 +6,7 @@
         "author": "Xuan Sang LE",
         "email": "mrsang@iohub.dev"
     },
-    "version":"0.0.2-a",
+    "version":"0.0.3-a",
     "category":"Other",
     "iconclass":"fa fa-cog",
     "mimes":["none"],
diff --git a/packages.json b/packages.json
index cec9003..aa31574 100644
--- a/packages.json
+++ b/packages.json
@@ -175,7 +175,7 @@
 		"description": "https://raw.githubusercontent.com/lxsang/antosdk-apps/master/libantosdk/README.md",
 		"category": "Other",
 		"author": "Xuan Sang LE",
-		"version": "0.0.2-a",
+		"version": "0.0.3-a",
 		"dependencies": [],
 		"download": "https://raw.githubusercontent.com/lxsang/antosdk-apps/master/libantosdk/build/release/libantosdk.zip"
 	},