diff --git a/tests/it/jsonpath_parser.rs b/tests/it/jsonpath_parser.rs
index bb07b2c..928fe1a 100644
--- a/tests/it/jsonpath_parser.rs
+++ b/tests/it/jsonpath_parser.rs
@@ -25,8 +25,17 @@ fn test_json_path() {
         r#"$"#,
         r#"$.*"#,
         r#"$[*]"#,
+        r#"5 + 5"#,
+        r#"10 - 5"#,
+        r#"10 * 5"#,
+        r#"10 / 5"#,
+        r#"10 % 5"#,
         r#"$.store.book[*].*"#,
+        // r#"$.store.book[*].* + 5"#,
         r#"$.store.book[0].price"#,
+        r#"+$.store.book[0].price"#,
+        r#"-$.store.book[0].price"#,
+        r#"$.store.book[0].price + 5"#,
         r#"$.store.book[last].isbn"#,
         r"$.store.book[last].test_key\uD83D\uDC8E测试",
         r#"$.store.book[0,1, last - 2].price"#,
diff --git a/tests/it/testdata/json_path.txt b/tests/it/testdata/json_path.txt
index 1938b14..4a5b223 100644
--- a/tests/it/testdata/json_path.txt
+++ b/tests/it/testdata/json_path.txt
@@ -36,6 +36,166 @@ JsonPath {
 }
 
 
+---------- Input ----------
+5 + 5
+---------- Output ---------
+5 + 5
+---------- AST ------------
+JsonPath {
+    paths: [
+        Predicate(
+            ArithmeticFunc(
+                Binary {
+                    op: Add,
+                    left: Value(
+                        Number(
+                            UInt64(
+                                5,
+                            ),
+                        ),
+                    ),
+                    right: Value(
+                        Number(
+                            UInt64(
+                                5,
+                            ),
+                        ),
+                    ),
+                },
+            ),
+        ),
+    ],
+}
+
+
+---------- Input ----------
+10 - 5
+---------- Output ---------
+10 - 5
+---------- AST ------------
+JsonPath {
+    paths: [
+        Predicate(
+            ArithmeticFunc(
+                Binary {
+                    op: Subtract,
+                    left: Value(
+                        Number(
+                            UInt64(
+                                10,
+                            ),
+                        ),
+                    ),
+                    right: Value(
+                        Number(
+                            UInt64(
+                                5,
+                            ),
+                        ),
+                    ),
+                },
+            ),
+        ),
+    ],
+}
+
+
+---------- Input ----------
+10 * 5
+---------- Output ---------
+10 * 5
+---------- AST ------------
+JsonPath {
+    paths: [
+        Predicate(
+            ArithmeticFunc(
+                Binary {
+                    op: Multiply,
+                    left: Value(
+                        Number(
+                            UInt64(
+                                10,
+                            ),
+                        ),
+                    ),
+                    right: Value(
+                        Number(
+                            UInt64(
+                                5,
+                            ),
+                        ),
+                    ),
+                },
+            ),
+        ),
+    ],
+}
+
+
+---------- Input ----------
+10 / 5
+---------- Output ---------
+10 / 5
+---------- AST ------------
+JsonPath {
+    paths: [
+        Predicate(
+            ArithmeticFunc(
+                Binary {
+                    op: Divide,
+                    left: Value(
+                        Number(
+                            UInt64(
+                                10,
+                            ),
+                        ),
+                    ),
+                    right: Value(
+                        Number(
+                            UInt64(
+                                5,
+                            ),
+                        ),
+                    ),
+                },
+            ),
+        ),
+    ],
+}
+
+
+---------- Input ----------
+10 % 5
+---------- Output ---------
+10 % 5
+---------- AST ------------
+JsonPath {
+    paths: [
+        Predicate(
+            ArithmeticFunc(
+                Binary {
+                    op: Modulus,
+                    left: Value(
+                        Number(
+                            UInt64(
+                                10,
+                            ),
+                        ),
+                    ),
+                    right: Value(
+                        Number(
+                            UInt64(
+                                5,
+                            ),
+                        ),
+                    ),
+                },
+            ),
+        ),
+    ],
+}
+
+
 ---------- Input ----------
 $.store.book[*].*
 ---------- Output ---------
@@ -86,6 +246,136 @@ JsonPath {
 }
 
 
+---------- Input ----------
++$.store.book[0].price
+---------- Output ---------
++$.store.book[0].price
+---------- AST ------------
+JsonPath {
+    paths: [
+        Predicate(
+            ArithmeticFunc(
+                Unary {
+                    op: Add,
+                    operand: Paths(
+                        [
+                            Root,
+                            DotField(
+                                "store",
+                            ),
+                            DotField(
+                                "book",
+                            ),
+                            ArrayIndices(
+                                [
+                                    Index(
+                                        Index(
+                                            0,
+                                        ),
+                                    ),
+                                ],
+                            ),
+                            DotField(
+                                "price",
+                            ),
+                        ],
+                    ),
+                },
+            ),
+        ),
+    ],
+}
+
+
+---------- Input ----------
+-$.store.book[0].price
+---------- Output ---------
+-$.store.book[0].price
+---------- AST ------------
+JsonPath {
+    paths: [
+        Predicate(
+            ArithmeticFunc(
+                Unary {
+                    op: Subtract,
+                    operand: Paths(
+                        [
+                            Root,
+                            DotField(
+                                "store",
+                            ),
+                            DotField(
+                                "book",
+                            ),
+                            ArrayIndices(
+                                [
+                                    Index(
+                                        Index(
+                                            0,
+                                        ),
+                                    ),
+                                ],
+                            ),
+                            DotField(
+                                "price",
+                            ),
+                        ],
+                    ),
+                },
+            ),
+        ),
+    ],
+}
+
+
+---------- Input ----------
+$.store.book[0].price + 5
+---------- Output ---------
+$.store.book[0].price + 5
+---------- AST ------------
+JsonPath {
+    paths: [
+        Predicate(
+            ArithmeticFunc(
+                Binary {
+                    op: Add,
+                    left: Paths(
+                        [
+                            Root,
+                            DotField(
+                                "store",
+                            ),
+                            DotField(
+                                "book",
+                            ),
+                            ArrayIndices(
+                                [
+                                    Index(
+                                        Index(
+                                            0,
+                                        ),
+                                    ),
+                                ],
+                            ),
+                            DotField(
+                                "price",
+                            ),
+                        ],
+                    ),
+                    right: Value(
+                        Number(
+                            UInt64(
+                                5,
+                            ),
+                        ),
+                    ),
+                },
+            ),
+        ),
+    ],
+}
+
+
 ---------- Input ----------
 $.store.book[last].isbn
 ---------- Output ---------