diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2d9215a..5114602 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,8 @@
 
 ## [Unreleased](https://github.com/dalance/sv-parser/compare/v0.3.2...Unreleased) - ReleaseDate
 
+* [Fixed] define arument
+
 ## [v0.3.2](https://github.com/dalance/sv-parser/compare/v0.2.1...v0.3.2) - 2019-10-29
 
 * [Changed] SyntaxTree::get_str can take &RefNode
diff --git a/sv-parser-parser/src/general/compiler_directives.rs b/sv-parser-parser/src/general/compiler_directives.rs
index a55b48f..6eb45ef 100644
--- a/sv-parser-parser/src/general/compiler_directives.rs
+++ b/sv-parser-parser/src/general/compiler_directives.rs
@@ -226,49 +226,7 @@ pub(crate) fn macro_text(s: Span) -> IResult<Span, MacroText> {
 #[tracable_parser]
 #[packrat_parser]
 pub(crate) fn default_text(s: Span) -> IResult<Span, DefaultText> {
-    let (s, a) = many1(alt((
-        is_not(",)([{\""),
-        map(triple(tag("("), opt(is_not(")")), tag(")")), |(x, y, z)| {
-            if let Some(y) = y {
-                concat(concat(x, y).unwrap(), z).unwrap()
-            } else {
-                concat(x, z).unwrap()
-            }
-        }),
-        map(triple(tag("["), opt(is_not("]")), tag("]")), |(x, y, z)| {
-            if let Some(y) = y {
-                concat(concat(x, y).unwrap(), z).unwrap()
-            } else {
-                concat(x, z).unwrap()
-            }
-        }),
-        map(triple(tag("{"), opt(is_not("}")), tag("}")), |(x, y, z)| {
-            if let Some(y) = y {
-                concat(concat(x, y).unwrap(), z).unwrap()
-            } else {
-                concat(x, z).unwrap()
-            }
-        }),
-        map(
-            triple(tag("\""), opt(is_not("\"")), tag("\"")),
-            |(x, y, z)| {
-                if let Some(y) = y {
-                    concat(concat(x, y).unwrap(), z).unwrap()
-                } else {
-                    concat(x, z).unwrap()
-                }
-            },
-        ),
-    )))(s)?;
-    let mut ret = None;
-    for x in a {
-        ret = if let Some(ret) = ret {
-            Some(concat(ret, x).unwrap())
-        } else {
-            Some(x)
-        }
-    }
-    let a = ret.unwrap();
+    let (s, a) = define_argument(s)?;
     Ok((
         s,
         DefaultText {
@@ -296,39 +254,23 @@ pub(crate) fn list_of_actual_arguments(s: Span) -> IResult<Span, ListOfActualArg
 #[tracable_parser]
 #[packrat_parser]
 pub(crate) fn actual_argument(s: Span) -> IResult<Span, ActualArgument> {
+    let (s, a) = define_argument(s)?;
+    Ok((
+        s,
+        ActualArgument {
+            nodes: (into_locate(a),),
+        },
+    ))
+}
+
+#[tracable_parser]
+pub(crate) fn define_argument(s: Span) -> IResult<Span, Span> {
     let (s, a) = many1(alt((
-        is_not(",)([{\""),
-        map(triple(tag("("), opt(is_not(")")), tag(")")), |(x, y, z)| {
-            if let Some(y) = y {
-                concat(concat(x, y).unwrap(), z).unwrap()
-            } else {
-                concat(x, z).unwrap()
-            }
-        }),
-        map(triple(tag("["), opt(is_not("]")), tag("]")), |(x, y, z)| {
-            if let Some(y) = y {
-                concat(concat(x, y).unwrap(), z).unwrap()
-            } else {
-                concat(x, z).unwrap()
-            }
-        }),
-        map(triple(tag("{"), opt(is_not("}")), tag("}")), |(x, y, z)| {
-            if let Some(y) = y {
-                concat(concat(x, y).unwrap(), z).unwrap()
-            } else {
-                concat(x, z).unwrap()
-            }
-        }),
-        map(
-            triple(tag("\""), opt(is_not("\"")), tag("\"")),
-            |(x, y, z)| {
-                if let Some(y) = y {
-                    concat(concat(x, y).unwrap(), z).unwrap()
-                } else {
-                    concat(x, z).unwrap()
-                }
-            },
-        ),
+        is_not(",([{}])\""),
+        define_argument_str,
+        define_argument_paren,
+        define_argument_bracket,
+        define_argument_brace,
     )))(s)?;
     let mut ret = None;
     for x in a {
@@ -339,12 +281,75 @@ pub(crate) fn actual_argument(s: Span) -> IResult<Span, ActualArgument> {
         }
     }
     let a = ret.unwrap();
-    Ok((
-        s,
-        ActualArgument {
-            nodes: (into_locate(a),),
-        },
-    ))
+    Ok((s, a))
+}
+
+#[tracable_parser]
+pub(crate) fn define_argument_inner(s: Span) -> IResult<Span, Span> {
+    let (s, a) = many1(alt((
+        is_not("([{}])\""),
+        define_argument_str,
+        define_argument_paren,
+        define_argument_bracket,
+        define_argument_brace,
+    )))(s)?;
+    let mut ret = None;
+    for x in a {
+        ret = if let Some(ret) = ret {
+            Some(concat(ret, x).unwrap())
+        } else {
+            Some(x)
+        }
+    }
+    let a = ret.unwrap();
+    Ok((s, a))
+}
+
+#[tracable_parser]
+pub(crate) fn define_argument_str(s: Span) -> IResult<Span, Span> {
+    let (s, (a, b, c)) = triple(tag("\""), opt(is_not("\"")), tag("\""))(s)?;
+    let a = if let Some(b) = b {
+        concat(concat(a, b).unwrap(), c).unwrap()
+    } else {
+        concat(a, c).unwrap()
+    };
+    Ok((s, a))
+}
+
+#[recursive_parser]
+#[tracable_parser]
+pub(crate) fn define_argument_paren(s: Span) -> IResult<Span, Span> {
+    let (s, (a, b, c)) = triple(tag("("), opt(define_argument_inner), tag(")"))(s)?;
+    let a = if let Some(b) = b {
+        concat(concat(a, b).unwrap(), c).unwrap()
+    } else {
+        concat(a, c).unwrap()
+    };
+    Ok((s, a))
+}
+
+#[recursive_parser]
+#[tracable_parser]
+pub(crate) fn define_argument_bracket(s: Span) -> IResult<Span, Span> {
+    let (s, (a, b, c)) = triple(tag("["), opt(define_argument_inner), tag("]"))(s)?;
+    let a = if let Some(b) = b {
+        concat(concat(a, b).unwrap(), c).unwrap()
+    } else {
+        concat(a, c).unwrap()
+    };
+    Ok((s, a))
+}
+
+#[recursive_parser]
+#[tracable_parser]
+pub(crate) fn define_argument_brace(s: Span) -> IResult<Span, Span> {
+    let (s, (a, b, c)) = triple(tag("{"), opt(define_argument_inner), tag("}"))(s)?;
+    let a = if let Some(b) = b {
+        concat(concat(a, b).unwrap(), c).unwrap()
+    } else {
+        concat(a, c).unwrap()
+    };
+    Ok((s, a))
 }
 
 #[tracable_parser]
diff --git a/sv-parser-pp/src/preprocess.rs b/sv-parser-pp/src/preprocess.rs
index 72ace97..f509c1b 100644
--- a/sv-parser-pp/src/preprocess.rs
+++ b/sv-parser-pp/src/preprocess.rs
@@ -522,6 +522,23 @@ endmodule
 module a ();
 
      assign a_0__x = a[0].x;   assign a_0__y = a[0].y;    assign a_1__x = a[1].x;   assign a_1__y = a[1].y; endmodule
+"##
+        );
+    }
+
+    #[test]
+    fn test4() {
+        let (ret, _) =
+            preprocess(get_testcase("test4.sv"), &HashMap::new(), &[] as &[String]).unwrap();
+        assert_eq!(
+            ret.text(),
+            r##"
+module a ();
+
+     always @(posedge clk) begin         if (!(!(a[i].b && c[i]))) begin             $display ("xxx(()[]]{}}}", a[i].b, c[i])
+;         end     end  ;
+
+endmodule
 "##
         );
     }
diff --git a/sv-parser-pp/testcases/test4.sv b/sv-parser-pp/testcases/test4.sv
new file mode 100644
index 0000000..7466db6
--- /dev/null
+++ b/sv-parser-pp/testcases/test4.sv
@@ -0,0 +1,16 @@
+`define disp(clk, exp, msg) \
+    always @(posedge clk) begin \
+        if (!(exp)) begin \
+            $display msg; \
+        end \
+    end \
+
+module a ();
+
+`disp(
+    clk,
+    !(a[i].b && c[i]),
+    ("xxx(()[]]{}}}", a[i].b, c[i])
+);
+
+endmodule