diff --git a/Android/doric/src/main/java/com/github/penfeizhou/doric/utils/DoricConstant.java b/Android/doric/src/main/java/com/github/penfeizhou/doric/utils/DoricConstant.java
index 9e163c44..a5255be9 100644
--- a/Android/doric/src/main/java/com/github/penfeizhou/doric/utils/DoricConstant.java
+++ b/Android/doric/src/main/java/com/github/penfeizhou/doric/utils/DoricConstant.java
@@ -37,7 +37,7 @@ public class DoricConstant {
             "\nreturn __module.exports;" +
             "},this,[{exports:{}}])" +
             "])";
-    public static final String TEMPLATE_CONTEXT_DESTROY = "doric.jsRelease(%s)";
+    public static final String TEMPLATE_CONTEXT_DESTROY = "doric.jsRelease(\"%s\")";
     public static final String GLOBAL_DORIC = "doric";
     public static final String DORIC_CONTEXT_RELEASE = "jsReleaseContext";
     public static final String DORIC_CONTEXT_INVOKE = "jsCallEntityMethod";
diff --git a/iOS/Pod/Classes/DoricConstant.m b/iOS/Pod/Classes/DoricConstant.m
index 83a47267..01953522 100644
--- a/iOS/Pod/Classes/DoricConstant.m
+++ b/iOS/Pod/Classes/DoricConstant.m
@@ -7,8 +7,8 @@
 
 #import "DoricConstant.h"
 
-NSString * const DORIC_BUNDLE_SANBOX = @"";
-NSString * const DORIC_BUNDLE_LIB = @"doric-lib.js";
+NSString * const DORIC_BUNDLE_SANDBOX = @"doric-sandbox";
+NSString * const DORIC_BUNDLE_LIB = @"doric-lib";
 NSString * const DORIC_MODULE_LIB = @"./index";
 
 
@@ -20,26 +20,26 @@
 
 NSString * const TEMPLATE_CONTEXT_CREATE = @"Reflect.apply("
 "function(doric,context,Entry,require,exports){" "\n"
-"%s"   "\n"
-"},doric.jsObtainContext(\"%s\"),["
+"%@"   "\n"
+"},doric.jsObtainContext(\"%@\"),["
 "undefined,"
-"doric.jsObtainContext(\"%s\"),"
-"doric.jsObtainEntry(\"%s\"),"
+"doric.jsObtainContext(\"%@\"),"
+"doric.jsObtainEntry(\"%@\"),"
 "doric.__require__"
 ",{}"
 "])";
 
 NSString * const TEMPLATE_MODULE = @"Reflect.apply(doric.jsRegisterModule,this,["
-"\"%s\","
+"\"%@\","
 "Reflect.apply(function(__module){"
 "(function(module,exports,require){" "\n"
-"%s" "\n"
+"%@" "\n"
 "})(__module,__module.exports,doric.__require__);"
 "\nreturn __module.exports;"
 "},this,[{exports:{}}])"
 "])";
 
-NSString * const TEMPLATE_CONTEXT_DESTROY = @"doric.jsRelease(%s)";
+NSString * const TEMPLATE_CONTEXT_DESTROY = @"doric.jsRelease(\"%@\"";
 
 NSString * const GLOBAL_DORIC = @"doric";
 
diff --git a/iOS/Pod/Classes/DoricJSEngine.m b/iOS/Pod/Classes/DoricJSEngine.m
index f4bd573a..f72d6e40 100644
--- a/iOS/Pod/Classes/DoricJSEngine.m
+++ b/iOS/Pod/Classes/DoricJSEngine.m
@@ -30,24 +30,34 @@ -(instancetype)init {
     return self;
 }
 
--(void)initDoricEnvironment {
+-(void)initJSExecutor {
     [self.jsExecutor injectGlobalJSObject:INJECT_LOG obj:^(NSString * type, NSString * message){
         DoricLog(@"JS:%@",message);
     }];
     [self.jsExecutor injectGlobalJSObject:INJECT_REQUIRE obj:^(NSString *name){
         
     }];
-    NSString *path = [[NSBundle bundleForClass:[self class]] pathForResource:@"doric-sandbox" ofType:@"js"];
-    NSString *mainjs = [NSString stringWithContentsOfFile:path encoding:NSUTF8StringEncoding error:nil];
-    NSLog(@"read:%@",mainjs);
-    [self.jsExecutor loadJSScript:@"nativeLog('w','log from js')" source:@""];
 }
 
+-(void)initDoricEnvironment {
+    [self loadBuiltinJS:DORIC_BUNDLE_SANDBOX];
+    NSString *path = [[NSBundle bundleForClass:[self class]] pathForResource:DORIC_BUNDLE_LIB ofType:@"js"];
+    NSString *jsContent = [NSString stringWithContentsOfFile:path encoding:NSUTF8StringEncoding error:nil];
+    [self.jsExecutor loadJSScript:[self packageModuleScript: DORIC_MODULE_LIB content:jsContent]
+                           source: [@"Module://" stringByAppendingString:DORIC_MODULE_LIB]];
+}
+
+-(void)loadBuiltinJS:(NSString *)fileName {
+    NSString *path = [[NSBundle bundleForClass:[self class]] pathForResource:DORIC_BUNDLE_SANDBOX ofType:@"js"];
+    NSString *jsContent = [NSString stringWithContentsOfFile:path encoding:NSUTF8StringEncoding error:nil];
+    [self.jsExecutor loadJSScript:jsContent source:[@"Assets://" stringByAppendingString:fileName]];
+}
+    
 -(void)invokeDoricMethod:(NSString *)method,... {
     NSMutableArray *array = [[NSMutableArray alloc] init];
     va_list args;
     va_start(args, method);
-    JSValue *arg = va_arg(args, JSValue *);
+    id arg = va_arg(args, id);
     while(arg!=nil){
         [array addObject:arg];
         arg = va_arg(args, JSValue *);
@@ -56,5 +66,24 @@ -(void)invokeDoricMethod:(NSString *)method,... {
     [self.jsExecutor invokeObject:GLOBAL_DORIC method:method args:array];
 }
 
+-(NSString *)packageContextScript:(NSString *)contextId content:(NSString *)content {
+    NSString *ret = [NSString stringWithFormat:TEMPLATE_CONTEXT_CREATE, content, contextId, contextId, contextId];
+    return ret;
+}
+
+-(NSString *)packageModuleScript:(NSString *)moduleName content:(NSString *)content {
+    NSString *ret = [NSString stringWithFormat:TEMPLATE_MODULE, moduleName, content];
+    return ret;
+}
+
+-(void)prepareContext:(NSString *)contextId script:(NSString *)script source:(NSString *)source {
+    [self.jsExecutor loadJSScript:[self packageContextScript:contextId content:script]
+                           source:[@"Context://" stringByAppendingString:source]];
+}
+
+-(void)destroyContext:(NSString *)contextId {
+    [self.jsExecutor loadJSScript:[NSString stringWithFormat:TEMPLATE_CONTEXT_DESTROY, contextId]
+                           source:[@"_Context://" stringByAppendingString:contextId]];
+}
 
 @end