diff --git a/continew-starter-core/src/main/java/top/continew/starter/core/validation/constraints/EnumValueValidator.java b/continew-starter-core/src/main/java/top/continew/starter/core/validation/constraints/EnumValueValidator.java
index 0100f68f..bde17fea 100644
--- a/continew-starter-core/src/main/java/top/continew/starter/core/validation/constraints/EnumValueValidator.java
+++ b/continew-starter-core/src/main/java/top/continew/starter/core/validation/constraints/EnumValueValidator.java
@@ -28,7 +28,7 @@ import java.util.Arrays;
 import java.util.function.Function;
 
 /**
- * 枚举校验注解校验器
+ * 枚举校验器
  *
  * @author Charles7c
  * @author Jasmine
diff --git a/continew-starter-core/src/main/java/top/continew/starter/core/validation/constraints/JsonString.java b/continew-starter-core/src/main/java/top/continew/starter/core/validation/constraints/JsonString.java
new file mode 100644
index 00000000..3c07d359
--- /dev/null
+++ b/continew-starter-core/src/main/java/top/continew/starter/core/validation/constraints/JsonString.java
@@ -0,0 +1,66 @@
+/*
+ * Copyright (c) 2022-present Charles7c Authors. All Rights Reserved.
+ * <p>
+ * Licensed under the GNU LESSER GENERAL PUBLIC LICENSE 3.0;
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * <p>
+ * http://www.gnu.org/licenses/lgpl.html
+ * <p>
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package top.continew.starter.core.validation.constraints;
+
+import jakarta.validation.Constraint;
+import jakarta.validation.Payload;
+import java.lang.annotation.Documented;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+import static java.lang.annotation.ElementType.*;
+import static java.lang.annotation.ElementType.TYPE_USE;
+
+/**
+ * JSON 格式字符串校验注解
+ *
+ * <p>
+ * 校验字符串是否为 JSON 格式字符串
+ * {@code @JsonString(message = "必须为有效的 JSON 格式")} <br />
+ * </p>
+ *
+ * @author Charles7c
+ * @since 2.12.0
+ */
+@Documented
+@Target({METHOD, FIELD, ANNOTATION_TYPE, CONSTRUCTOR, PARAMETER, TYPE_USE})
+@Retention(RetentionPolicy.RUNTIME)
+@Constraint(validatedBy = JsonStringValidator.class)
+public @interface JsonString {
+
+    /**
+     * 提示消息
+     *
+     * @return 提示消息
+     */
+    String message() default "必须为有效的 JSON 格式";
+
+    /**
+     * 分组
+     *
+     * @return 分组
+     */
+    Class<?>[] groups() default {};
+
+    /**
+     * 负载
+     *
+     * @return 负载
+     */
+    Class<? extends Payload>[] payload() default {};
+}
\ No newline at end of file
diff --git a/continew-starter-core/src/main/java/top/continew/starter/core/validation/constraints/JsonStringValidator.java b/continew-starter-core/src/main/java/top/continew/starter/core/validation/constraints/JsonStringValidator.java
new file mode 100644
index 00000000..751b40c7
--- /dev/null
+++ b/continew-starter-core/src/main/java/top/continew/starter/core/validation/constraints/JsonStringValidator.java
@@ -0,0 +1,38 @@
+/*
+ * Copyright (c) 2022-present Charles7c Authors. All Rights Reserved.
+ * <p>
+ * Licensed under the GNU LESSER GENERAL PUBLIC LICENSE 3.0;
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * <p>
+ * http://www.gnu.org/licenses/lgpl.html
+ * <p>
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package top.continew.starter.core.validation.constraints;
+
+import cn.hutool.json.JSONUtil;
+import jakarta.validation.ConstraintValidator;
+import jakarta.validation.ConstraintValidatorContext;
+
+/**
+ * JSON 格式字符串校验器
+ *
+ * @author Charles7c
+ * @since 2.12.0
+ */
+public class JsonStringValidator implements ConstraintValidator<JsonString, String> {
+
+    @Override
+    public boolean isValid(String value, ConstraintValidatorContext context) {
+        if (value == null) {
+            return true;
+        }
+        return JSONUtil.isTypeJSON(value);
+    }
+}
\ No newline at end of file
diff --git a/continew-starter-core/src/main/java/top/continew/starter/core/validation/constraints/MobileValidator.java b/continew-starter-core/src/main/java/top/continew/starter/core/validation/constraints/MobileValidator.java
index 1ec59422..e195e545 100644
--- a/continew-starter-core/src/main/java/top/continew/starter/core/validation/constraints/MobileValidator.java
+++ b/continew-starter-core/src/main/java/top/continew/starter/core/validation/constraints/MobileValidator.java
@@ -16,13 +16,12 @@
 
 package top.continew.starter.core.validation.constraints;
 
-import cn.hutool.core.text.CharSequenceUtil;
 import cn.hutool.core.util.PhoneUtil;
 import jakarta.validation.ConstraintValidator;
 import jakarta.validation.ConstraintValidatorContext;
 
 /**
- * 手机号校验注解校验器
+ * 手机号校验器
  *
  * @author Charles7c
  * @since 2.10.0
@@ -31,7 +30,7 @@ public class MobileValidator implements ConstraintValidator<Mobile, String> {
 
     @Override
     public boolean isValid(String value, ConstraintValidatorContext context) {
-        if (CharSequenceUtil.isBlank(value)) {
+        if (value == null) {
             return true;
         }
         return PhoneUtil.isMobile(value);
diff --git a/continew-starter-idempotent/src/main/java/top/continew/starter/idempotent/aop/IdempotentAspect.java b/continew-starter-idempotent/src/main/java/top/continew/starter/idempotent/aop/IdempotentAspect.java
index 1c9ab32b..ab32d7f1 100644
--- a/continew-starter-idempotent/src/main/java/top/continew/starter/idempotent/aop/IdempotentAspect.java
+++ b/continew-starter-idempotent/src/main/java/top/continew/starter/idempotent/aop/IdempotentAspect.java
@@ -63,7 +63,8 @@ public class IdempotentAspect {
     public Object around(ProceedingJoinPoint joinPoint, Idempotent idempotent) throws Throwable {
         String cacheKey = this.getCacheKey(joinPoint, idempotent);
         // 如果键已存在，则抛出异常
-        if (!RedisUtils.setIfAbsent(cacheKey,cacheKey, Duration.ofMillis(idempotent.unit().toMillis(idempotent.timeout())))) {
+        if (!RedisUtils.setIfAbsent(cacheKey, cacheKey, Duration.ofMillis(idempotent.unit()
+            .toMillis(idempotent.timeout())))) {
             throw new IdempotentException(idempotent.message());
         }
         // 执行目标方法