diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index e01afb6..a1c4588 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -34,3 +34,19 @@ repos:
         files: fortune_generator/json/static_special.json
         types: [json]
         pass_filenames: false
+
+    -   id: check-fortune
+        name: check-fortune
+        entry: python3 scripts/check-fortune.py fortune_generator/json/fortune.json
+        language: python
+        files: fortune_generator/json/fortune.json
+        types: [json]
+        pass_filenames: false
+
+    -   id: check-theme
+        name: check-theme
+        entry: python3 scripts/check-theme.py fortune_generator/json/themes.json
+        language: python
+        files: fortune_generator/json/themes.json
+        types: [json]
+        pass_filenames: false
diff --git a/scripts/check-events.py b/scripts/check-events.py
index 76d2256..707712e 100644
--- a/scripts/check-events.py
+++ b/scripts/check-events.py
@@ -169,7 +169,11 @@ event_names = set()
 event_dates = set()
 
 
-def check_structure(event: dict, idx: int):
+def check_structure(event, idx: int):
+    if not isinstance(event, dict):
+        errors[idx].append("should be a dict")
+        return False
+
     if not require_field_check(
         event,
         idx,
diff --git a/scripts/check-fortune.py b/scripts/check-fortune.py
new file mode 100644
index 0000000..f689720
--- /dev/null
+++ b/scripts/check-fortune.py
@@ -0,0 +1,169 @@
+#!/bin/python3
+
+import json
+import logging
+import argparse
+import collections
+
+args_parser = argparse.ArgumentParser(description="fortune checker")
+args_parser.add_argument("path", type=str, help="event json file path")
+
+args = args_parser.parse_args()
+errors: dict[tuple[str, int], list[str]] = collections.defaultdict(list)
+good_fortunes: list[dict] = None
+bad_fortunes: list[dict] = None
+all_fortunes = None
+
+try:
+    with open(args.path) as f:
+        all_fortunes = json.loads(f.read())
+except json.JSONDecodeError:
+    print(f"`{args.path}` json syntax error.")
+    exit(-1)
+
+except FileNotFoundError:
+    print(f"`{args.path}` not found.")
+    print("Please contact developer to solve this problem.")
+    exit(-1)
+
+if not isinstance(all_fortunes, dict):
+    print(f"`{args.path}` should contain a dict")
+    exit(-1)
+
+try:
+    good_fortunes = all_fortunes["goodFortunes"]
+except KeyError:
+    print(f"`{args.path}` should contain `goodFortunes`")
+
+if not isinstance(good_fortunes, list):
+    print("`goodFortunes` should be a list.")
+
+try:
+    bad_fortunes = all_fortunes["badFortunes"]
+except KeyError:
+    print(f"`{args.path}` should contain `badFortunes`")
+
+if not isinstance(bad_fortunes, list):
+    print("`badFortunes` should be a list.")
+
+
+def require_field_check(
+    obj: dict,
+    fortune_idx: tuple[str, int],
+    fields: list[tuple[str, type]],
+    required_field: str = "",
+) -> bool:
+    """
+    Validates the presence and types of required fields in a given object.
+
+    Args:
+        obj (dict): The object (dictionary) to validate.
+        fortune_idx (tuple[str, int]): The index of the fortune for associating validation errors.
+        fields (list[tuple[str, type]]): A list of tuples where each tuple contains a field name and its expected type.
+        required_field (str, optional): An optional prefix for error messages to indicate a higher-level required field. Defaults to "".
+
+    Returns:
+        bool: True if all required fields are present and have the correct types, otherwise False.
+
+    Validation Rules:
+        - If a required field is missing, an error message is recorded.
+        - If a field is present but its type does not match the expected type, an error message is recorded.
+        - The `required_field` parameter, if provided, is prepended to error messages for context.
+    """
+
+    error_found = False
+    for field_name, field_type in fields:
+        if field_name not in obj:
+            error_found = True
+            msg = ""
+            if required_field != "":
+                msg = f"`{required_field}` "
+
+            msg += f"missing `{field_name}`."
+            errors[fortune_idx].append(msg)
+
+        elif not isinstance(obj[field_name], field_type):
+            error_found = True
+            errors[fortune_idx].append(
+                f"`{field_name}` should be a `{field_type}` type."
+            )
+
+    if error_found:
+        return False
+    return True
+
+
+fortune_names = set()
+
+def check_fortune(fortune, idx: tuple[str, int]):
+    if not isinstance(fortune, dict):
+        errors[idx].append("fortune should be a dict.")
+        return False
+
+    if not require_field_check(fortune, idx, [
+        ("event", str),
+        ("description", list)
+    ]):
+        return False
+
+    fortune_name = fortune["event"]
+    if fortune_name in fortune_names:
+        errors[idx].append(f"fortune `{fortune_name}` already exists.")
+
+    if not fortune_name:
+        errors[idx].append("fortune name should not be empty.")
+
+
+    if not fortune["description"]:
+        errors[idx].append("fortune description should not be empty.")
+        return False
+
+    descriptions = set()
+    for desc in fortune["description"]:
+        if not isinstance(desc, str):
+            errors[idx].append(f"fortune description {desc} should be a string.")
+            continue
+
+        if not desc:
+            errors[idx].append(f"fortune description {desc} should not be empty.")
+            continue
+
+        if desc in descriptions:
+            errors[idx].append(f"fortune description {desc} already exists.")
+            continue
+        else:
+            descriptions.add(desc)
+
+    fortune_names.add(fortune_name)
+
+    return True
+
+if good_fortunes:
+    for idx, fortune in enumerate(good_fortunes):
+        check_fortune(fortune, ("goodFortunes", idx))
+
+fortune_names.clear()
+if bad_fortunes:
+    for idx, fortune in enumerate(bad_fortunes):
+        check_fortune(fortune, ("badFortunes", idx))
+
+if errors:
+    logging.error(args.path)
+    for idx, error_msgs in errors.items():
+        fortunes = None
+        if idx[0] == "goodFortunes":
+            fortunes = good_fortunes
+        elif idx[0] == "badFortunes":
+            fortunes = bad_fortunes
+
+        if not fortunes:
+            continue
+
+        logging.error(
+            json.dumps(
+                fortunes[idx[1]], indent=4, ensure_ascii=False
+            )
+        )
+        for msg in error_msgs:
+            logging.error(msg)
+    exit(-1)
diff --git a/scripts/check-theme.py b/scripts/check-theme.py
new file mode 100644
index 0000000..b6b1584
--- /dev/null
+++ b/scripts/check-theme.py
@@ -0,0 +1,164 @@
+#!/bin/python3
+
+import json
+import logging
+import argparse
+import collections
+
+args_parser = argparse.ArgumentParser(description="theme checker")
+args_parser.add_argument("path", type=str, help="event json file path")
+
+args = args_parser.parse_args()
+errors: dict[int, list[str]] = collections.defaultdict(list)
+themes: list[dict[str]] = None
+j = None
+
+try:
+    with open(args.path) as f:
+        j = json.loads(f.read())
+except json.JSONDecodeError:
+    print(f"`{args.path}` json syntax error.")
+    exit(-1)
+
+except FileNotFoundError:
+    print(f"`{args.path}` not found.")
+    print("Please contact developer to solve this problem.")
+    exit(-1)
+
+if not isinstance(j, dict):
+    print(f"`{args.path}` should contain a dict")
+    exit(-1)
+
+try:
+    themes = j["themes"]
+except KeyError:
+    print(f"`{args.path}` should contain `themes`")
+    exit(-1)
+
+if not isinstance(themes, list):
+    print("`themes` should be a list.")
+    exit(-1)
+
+def require_field_check(
+    obj: dict,
+    theme_idx: int,
+    fields: list[tuple[str, type]],
+    required_field: str = "",
+) -> bool:
+    """
+    Validates the presence and types of required fields in a given object.
+
+    Args:
+        obj (dict): The object (dictionary) to validate.
+        theme_idx (int): The index of the fortune for associating validation errors.
+        fields (list[tuple[str, type]]): A list of tuples where each tuple contains a field name and its expected type.
+        required_field (str, optional): An optional prefix for error messages to indicate a higher-level required field. Defaults to "".
+
+    Returns:
+        bool: True if all required fields are present and have the correct types, otherwise False.
+
+    Validation Rules:
+        - If a required field is missing, an error message is recorded.
+        - If a field is present but its type does not match the expected type, an error message is recorded.
+        - The `required_field` parameter, if provided, is prepended to error messages for context.
+    """
+
+    error_found = False
+    for field_name, field_type in fields:
+        if field_name not in obj:
+            error_found = True
+            msg = ""
+            if required_field != "":
+                msg = f"`{required_field}` "
+
+            msg += f"missing `{field_name}`."
+            errors[theme_idx].append(msg)
+
+        elif not isinstance(obj[field_name], field_type):
+            error_found = True
+            errors[theme_idx].append(
+                f"`{field_name}` should be a `{field_type}` type."
+            )
+
+    if error_found:
+        return False
+    return True
+
+
+theme_names = set()
+
+def check_theme(theme, idx: int):
+    if not isinstance(theme, dict):
+        errors[idx].append("theme should be a dict.")
+        return False
+
+    if not require_field_check(theme, idx, [
+        ("name", str),
+        ("properties", dict)
+    ]):
+        return False
+
+    theme_name = theme["name"]
+    if theme_name in theme_names:
+        errors[idx].append(f"theme `{theme_name}` already exists.")
+
+    if not theme_name:
+        errors[idx].append("theme name should not be empty.")
+
+    properties = theme["properties"]
+    properties_field_required = [
+        ("bg-color", str),
+        ("good-fortune-color", str),
+        ("bad-fortune-color", str),
+        ("middle-fortune-color", str),
+        ("title-color", str),
+        ("desc-color", str),
+        ("button-color", str),
+        ("button-hover-color", str),
+        ("toggle-theme-button-color", str),
+        ("copy-result-button-color", str),
+        ("date-color", str),
+        ("special-event-color", str),
+    ]
+    if not require_field_check(properties, idx, properties_field_required):
+        return False
+
+    for field_name in (v[0] for v in properties_field_required):
+        color: str = properties[field_name]
+        if color[0] != "#":
+            errors[idx].append(f"color {color} should starts with `#`.")
+            continue
+
+        color = color[1:]
+        if any(not ch.isdigit() and not ch.islower() for ch in color):
+            errors[idx].append(f"color {color} should be all lowercase.")
+            continue
+
+        hex = set("0123456789abcdef")
+        if any(ch not in hex for ch in color):
+            errors[idx].append(f"color {color} should be a hex value.")
+            continue
+
+        if len(color) != len("rrggbb") and len(color) != len("rrggbbaa"):
+            errors[idx].append(f"color {color} should be in `rrggbb` or `rrggbbaa` format.")
+            continue
+
+
+    theme_names.add(theme_name)
+
+    return True
+
+for idx, theme in enumerate(themes):
+    check_theme(theme, idx)
+
+if errors:
+    logging.error(args.path)
+    for idx, error_msgs in errors.items():
+        logging.error(
+            json.dumps(
+                themes[idx], indent=4, ensure_ascii=False
+            )
+        )
+        for msg in error_msgs:
+            logging.error(msg)
+    exit(-1)