diff --git a/BUILD.gn b/BUILD.gn
index d4f044899a174d12ae7f95536b6026e522c762a9..b078ac0b1af8607966978bd6775a2d2787035b01 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -35,6 +35,7 @@ if (defined(ohos_lite)) {  # is on lite Os for ipcamera
     cflags = [
       "-Wno-unused-function",
       "-Wno-sign-compare",
+      "-Wno-implicit-fallthrough",
     ]
     include_dirs = [ "." ]
   }
@@ -66,6 +67,7 @@ if (defined(ohos_lite)) {  # is on lite Os for ipcamera
       "-Wno-unused-function",
       "-Wno-sign-compare",
       "-Wno-error",  # jerry add
+      "-Wno-implicit-fallthrough",
     ]
     include_dirs = [ "." ]
   }
diff --git a/jerry-port/config-jupiter.h b/jerry-port/config-jupiter.h
index e26b062a28c6cdf8a258e3641a60ed1fcbe730bd..fbbc8f9ae5ded919dda8f3f916311d2dd920417f 100644
--- a/jerry-port/config-jupiter.h
+++ b/jerry-port/config-jupiter.h
@@ -33,8 +33,8 @@
 #define JS_TASK_HEAP_SIZE (64)
 #endif /* JS_TASK_HEAP_SIZE */
 
-// >= 51400 + (64-48) * 1024 + 8
-#define JS_TASK_CONTEXT_AND_HEAP_SIZE_BYTE (JS_TASK_HEAP_SIZE * CONVERTION_RATIO + 2248 + 16)
+// >= 51400 + (64-48) * 1024 + 8 / JS_TASK_HEAP_SIZE + JERRY_CONTEXT_T
+#define JS_TASK_CONTEXT_AND_HEAP_SIZE_BYTE (JS_TASK_HEAP_SIZE * CONVERTION_RATIO + sizeof(jerry_context_t) + 16)
 
 #endif /* JERRY_IAR_JUPITER */