diff --git a/scie-grammar/src/grammar/grammar/mod.rs b/scie-grammar/src/grammar/grammar/mod.rs
index b11fec0f5fc9177fcd9489426015d1a89ecda004..60358d2174d87133074ef8e94792e1d247ff1450 100644
--- a/scie-grammar/src/grammar/grammar/mod.rs
+++ b/scie-grammar/src/grammar/grammar/mod.rs
@@ -223,9 +223,7 @@ return 0;
 
         // todo: fixed it
         // assert_eq!(grammar.rule_id2desc.len(), 162);
-        let j = serde_json::to_string(&grammar.rule_id2desc).unwrap();
-        let mut file = File::create("program.json").unwrap();
-        file.write_all(j.as_bytes());
+        // debug_output(&grammar, String::from("program.json"));
     }
 
     #[test]
@@ -238,11 +236,22 @@ GitHub 漫游指南- a Chinese ebook on how to build a good project on Github. E
         let grammar = to_grammar("test-cases/first-mate/fixtures/text.json", code);
 
         assert_eq!(grammar.rule_id2desc.len(), 8);
+    }
+
+    fn debug_output(grammar: &Grammar, path: String) {
         let j = serde_json::to_string(&grammar.rule_id2desc).unwrap();
-        let mut file = File::create("program.json").unwrap();
+        let mut file = File::create(path).unwrap();
         file.write_all(j.as_bytes());
     }
 
+    #[test]
+    fn should_build_json_grammar() {
+        let code = "{}";
+        let grammar = to_grammar("test-cases/first-mate/fixtures/json.json", code);
+        assert_eq!(grammar.rule_id2desc.len(), 22);
+        debug_output(&grammar, String::from("program.json"));
+    }
+
     fn to_grammar(grammar_path: &str, code: &str) -> Grammar {
         let path = Path::new(grammar_path);
         let mut file = File::open(path).unwrap();
diff --git a/scie-grammar/src/rule/mod.rs b/scie-grammar/src/rule/mod.rs
index cd017ace8a4be59b5be9afb8a4054efa09aee4a7..6461d2e2d71b8e03afd9a6610479574be949b924 100644
--- a/scie-grammar/src/rule/mod.rs
+++ b/scie-grammar/src/rule/mod.rs
@@ -237,6 +237,7 @@ impl AbstractRule for BeginEndRule {
 #[derive(Clone, Debug, Serialize)]
 pub struct CaptureRule {
     pub rule: Rule,
+    pub retokenize_captured_with_rule_id: i32
 }
 
 impl CaptureRule {
@@ -248,10 +249,11 @@ impl CaptureRule {
                 id: 0,
                 name: None,
                 content_name: None
-            }
+            },
+            retokenize_captured_with_rule_id: 0
         }
     }
-    pub fn new(location: Option<ILocation>, id: i32, name: Option<String>, content_name: Option<String>) -> Self {
+    pub fn new(location: Option<ILocation>, id: i32, name: Option<String>, content_name: Option<String>, retokenize_captured_with_rule_id: i32) -> Self {
         CaptureRule {
             rule: Rule {
                 _type: String::from("CaptureRule"),
@@ -260,6 +262,7 @@ impl CaptureRule {
                 name,
                 content_name,
             },
+            retokenize_captured_with_rule_id
         }
     }
 }
diff --git a/scie-grammar/src/rule/rule_factory.rs b/scie-grammar/src/rule/rule_factory.rs
index 0d91e8be3943438ce4c5f1204ef2500ec320d88b..0f035d5d0e2d882c08d027fe82fe08d22383e0be 100644
--- a/scie-grammar/src/rule/rule_factory.rs
+++ b/scie-grammar/src/rule/rule_factory.rs
@@ -57,12 +57,7 @@ impl RuleFactory {
 
     pub fn create_capture_rule(helper: &mut Grammar, location: Option<ILocation>, name: Option<String>, content_name: Option<String>, retokenizeCapturedWithRuleId: i32) -> Box<dyn AbstractRule> {
         let id = helper.register_id();
-        let rule = CaptureRule::new(
-            location,
-            id,
-            name,
-            content_name,
-        );
+        let rule = CaptureRule::new(location, id, name, content_name, retokenizeCapturedWithRuleId);
         helper.register_rule(Box::from(rule));
         return helper.get_rule(id);
     }