diff --git a/doric-iOS/Pod/Classes/Engine/DoricJSEngine.m b/doric-iOS/Pod/Classes/Engine/DoricJSEngine.m
index 748bbc63..682ebbc2 100644
--- a/doric-iOS/Pod/Classes/Engine/DoricJSEngine.m
+++ b/doric-iOS/Pod/Classes/Engine/DoricJSEngine.m
@@ -188,7 +188,7 @@ - (NSString *)packageModuleScript:(NSString *)moduleName content:(NSString *)con
 
 - (void)prepareContext:(NSString *)contextId script:(NSString *)script source:(NSString *)source {
     [self.jsExecutor loadJSScript:[self packageContextScript:contextId content:script]
-                           source:[@"Context://" stringByAppendingString:source]];
+                           source:[@"Context://" stringByAppendingString:source ?: contextId]];
 }
 
 - (void)destroyContext:(NSString *)contextId {