diff --git a/mica-core/build.gradle b/mica-core/build.gradle
index 25b293560..7e46646fd 100644
--- a/mica-core/build.gradle
+++ b/mica-core/build.gradle
@@ -1,6 +1,6 @@
 dependencies {
-    api "org.springframework:spring-context"
     api "com.fasterxml.jackson.core:jackson-databind"
+    implementation "org.springframework:spring-context"
     compileOnly "org.springframework:spring-web"
     compileOnly "jakarta.validation:jakarta.validation-api"
     compileOnly "io.swagger:swagger-annotations"
diff --git a/mica-core/src/main/java/net/dreamlu/mica/core/utils/JsonUtil.java b/mica-core/src/main/java/net/dreamlu/mica/core/utils/JsonUtil.java
index e3c0f9d35..36ea043a1 100644
--- a/mica-core/src/main/java/net/dreamlu/mica/core/utils/JsonUtil.java
+++ b/mica-core/src/main/java/net/dreamlu/mica/core/utils/JsonUtil.java
@@ -29,7 +29,6 @@
 import com.fasterxml.jackson.databind.type.MapType;
 import net.dreamlu.mica.core.function.CheckedConsumer;
 import org.springframework.lang.Nullable;
-import org.springframework.util.ObjectUtils;
 
 import java.io.IOException;
 import java.io.InputStream;
@@ -220,7 +219,7 @@ public static JsonNode readTree(JsonParser jsonParser) {
 	 */
 	@Nullable
 	public static <T> T readValue(@Nullable byte[] content, Class<T> valueType) {
-		if (ObjectUtils.isEmpty(content)) {
+		if (content == null || content.length == 0) {
 			return null;
 		}
 		try {
@@ -301,7 +300,7 @@ public static <T> T readValue(@Nullable Reader reader, Class<T> valueType) {
 	 */
 	@Nullable
 	public static <T> T readValue(@Nullable byte[] content, TypeReference<T> typeReference) {
-		if (ObjectUtils.isEmpty(content)) {
+		if (content == null || content.length == 0) {
 			return null;
 		}
 		try {
@@ -381,7 +380,7 @@ public static <T> T readValue(@Nullable Reader reader, TypeReference<T> typeRefe
 	 */
 	@Nullable
 	public static <T> T readValue(@Nullable byte[] content, JavaType javaType) {
-		if (ObjectUtils.isEmpty(content)) {
+		if (content == null || content.length == 0) {
 			return null;
 		}
 		try {
@@ -531,7 +530,7 @@ public static JavaType getParametricType(Class<?> parametrized, JavaType... para
 	 * @return 集合
 	 */
 	public static <T> List<T> readList(@Nullable byte[] content, Class<T> elementClass) {
-		if (ObjectUtils.isEmpty(content)) {
+		if (content == null || content.length == 0) {
 			return Collections.emptyList();
 		}
 		try {
@@ -697,7 +696,7 @@ public static <V> Map<String, V> readMap(@Nullable String content, Class<?> valu
 	 * @return 集合
 	 */
 	public static <K, V> Map<K, V> readMap(@Nullable byte[] content, Class<?> keyClass, Class<?> valueClass) {
-		if (ObjectUtils.isEmpty(content)) {
+		if (content == null || content.length == 0) {
 			return Collections.emptyMap();
 		}
 		try {
diff --git a/mica-http/src/main/java/net/dreamlu/mica/http/HttpLogger.java b/mica-http/src/main/java/net/dreamlu/mica/http/HttpLogger.java
index 3dc8d8fba..49565a565 100644
--- a/mica-http/src/main/java/net/dreamlu/mica/http/HttpLogger.java
+++ b/mica-http/src/main/java/net/dreamlu/mica/http/HttpLogger.java
@@ -46,7 +46,7 @@ public void log(@Nonnull String message) {
 		@Override
 		public void log(@Nonnull String message) {
 			// 统一添加前缀，方便在茫茫日志中查看
-			System.out.printf("HttpLogger: %s\n", message);
+			System.out.println("HttpLogger: " + message);
 		}
 	};
 
diff --git a/mica-http/src/test/java/net/dreamlu/HttpRequestDemo.java b/mica-http/src/test/java/net/dreamlu/HttpRequestDemo.java
index 55bea01a6..debec3c49 100644
--- a/mica-http/src/test/java/net/dreamlu/HttpRequestDemo.java
+++ b/mica-http/src/test/java/net/dreamlu/HttpRequestDemo.java
@@ -17,6 +17,7 @@
 package net.dreamlu;
 
 import com.fasterxml.jackson.databind.JsonNode;
+import lombok.extern.slf4j.Slf4j;
 import net.dreamlu.mica.core.utils.Base64Util;
 import net.dreamlu.mica.http.HttpLogger;
 import net.dreamlu.mica.http.HttpRequest;
@@ -33,6 +34,7 @@
  *
  * @author L.cm
  */
+@Slf4j
 public class HttpRequestDemo {
 
 	public void doc() {
@@ -40,10 +42,12 @@ public void doc() {
 		HttpRequest.setGlobalLog(LogLevel.BODY);
 		// 设置控制台日志，用于没有日志依赖的 sdk 开发时使用
 		HttpRequest.setGlobalLog(HttpLogger.Console, LogLevel.BODY);
+		// 设置为自己的日志，避免需要配置 net.dreamlu.mica.http 包日志等级
+		HttpRequest.setGlobalLog(log::info);
 
 		// 同步请求 url，方法支持 get、post、patch、put、delete
 		HttpRequest.get("https://www.baidu.com")
-			.useSlf4jLog()                   //使用 Slf4j 日志，同类的有 .useConsoleLog(),日志级别为 BODY
+			.useSlf4jLog()                   //使用 Slf4j 日志，同类的有 .useConsoleLog()，.useLog(log::info),日志级别为 BODY
 			.addHeader("x-account-id", "mica001") // 添加 header
 			.addCookie(new Cookie.Builder()  // 添加 cookie
 				.name("sid")