diff --git a/src/main/java/xyz/zhouxy/plusone/commons/util/CustomResult.java b/src/main/java/xyz/zhouxy/plusone/commons/util/CustomResult.java
index ee8bf19..e9aff0b 100644
--- a/src/main/java/xyz/zhouxy/plusone/commons/util/CustomResult.java
+++ b/src/main/java/xyz/zhouxy/plusone/commons/util/CustomResult.java
@@ -1,5 +1,7 @@
 package xyz.zhouxy.plusone.commons.util;
 
+import javax.annotation.Nullable;
+
 /**
  * 自定义结果
  *
@@ -7,11 +9,11 @@ package xyz.zhouxy.plusone.commons.util;
  */
 final class CustomResult extends UnifiedResponse {
 
-    CustomResult(Object status, String message) {
+    CustomResult(Object status, @Nullable String message) {
         super(status, message);
     }
 
-    CustomResult(Object status, String message, Object data) {
+    CustomResult(Object status, @Nullable String message, @Nullable Object data) {
         super(status, message, data);
     }
 
diff --git a/src/main/java/xyz/zhouxy/plusone/commons/util/ErrorResult.java b/src/main/java/xyz/zhouxy/plusone/commons/util/ErrorResult.java
index 7ad1726..7c36cc1 100644
--- a/src/main/java/xyz/zhouxy/plusone/commons/util/ErrorResult.java
+++ b/src/main/java/xyz/zhouxy/plusone/commons/util/ErrorResult.java
@@ -1,6 +1,8 @@
 package xyz.zhouxy.plusone.commons.util;
 
-import com.google.common.base.Strings;
+import java.util.Objects;
+
+import javax.annotation.Nullable;
 
 import xyz.zhouxy.plusone.commons.base.IWithCode;
 
@@ -12,28 +14,28 @@ import xyz.zhouxy.plusone.commons.base.IWithCode;
 final class ErrorResult extends UnifiedResponse {
     private static final String DEFAULT_ERR_STATUS = "9999999";
 
-    ErrorResult(String message) {
+    ErrorResult(@Nullable String message) {
         super(DEFAULT_ERR_STATUS, message);
     }
 
-    ErrorResult(String message, Object data) {
+    ErrorResult(@Nullable String message, @Nullable Object data) {
         super(DEFAULT_ERR_STATUS, message, data);
     }
 
-    ErrorResult(Object status, String message) {
+    ErrorResult(Object status, @Nullable String message) {
         super(status, message);
     }
 
-    ErrorResult(Object status, String message, Object data) {
+    ErrorResult(Object status, @Nullable String message, @Nullable Object data) {
         super(status, message, data);
     }
 
     ErrorResult(Object status, Throwable e) {
-        super(status, Strings.nullToEmpty(e.getMessage()));
+        super(status, Objects.requireNonNull(e).getMessage());
     }
 
     <E extends Throwable & IWithCode<?>> ErrorResult(E e) {
-        super(e.getCode(), Strings.nullToEmpty(e.getMessage()));
+        super(Objects.requireNonNull(e).getCode(), Objects.requireNonNull(e).getMessage());
     }
 
     private static final long serialVersionUID = -1680792957826923092L;
diff --git a/src/main/java/xyz/zhouxy/plusone/commons/util/SuccessResult.java b/src/main/java/xyz/zhouxy/plusone/commons/util/SuccessResult.java
index 660f82b..4f9e214 100644
--- a/src/main/java/xyz/zhouxy/plusone/commons/util/SuccessResult.java
+++ b/src/main/java/xyz/zhouxy/plusone/commons/util/SuccessResult.java
@@ -1,5 +1,7 @@
 package xyz.zhouxy.plusone.commons.util;
 
+import javax.annotation.Nullable;
+
 /**
  * 成功结果
  *
@@ -13,11 +15,11 @@ final class SuccessResult extends UnifiedResponse {
         super(SUCCESS_STATUS, DEFAULT_SUCCESS_MSG);
     }
 
-    SuccessResult(String message) {
+    SuccessResult(@Nullable String message) {
         super(SUCCESS_STATUS, message);
     }
 
-    SuccessResult(String message, Object data) {
+    SuccessResult(@Nullable String message, @Nullable Object data) {
         super(SUCCESS_STATUS, message, data);
     }
 
diff --git a/src/main/java/xyz/zhouxy/plusone/commons/util/UnifiedResponse.java b/src/main/java/xyz/zhouxy/plusone/commons/util/UnifiedResponse.java
index bf94227..f719aa8 100644
--- a/src/main/java/xyz/zhouxy/plusone/commons/util/UnifiedResponse.java
+++ b/src/main/java/xyz/zhouxy/plusone/commons/util/UnifiedResponse.java
@@ -27,6 +27,8 @@ import java.util.function.BooleanSupplier;
 import java.util.function.Function;
 import java.util.function.Supplier;
 
+import javax.annotation.Nullable;
+
 import com.google.common.base.Preconditions;
 
 /**
@@ -45,27 +47,27 @@ public abstract class UnifiedResponse extends HashMap<String, Object> {
         return new SuccessResult();
     }
 
-    public static UnifiedResponse success(String message) {
+    public static UnifiedResponse success(@Nullable String message) {
         return new SuccessResult(message);
     }
 
-    public static UnifiedResponse success(String message, Object data) {
+    public static UnifiedResponse success(@Nullable String message, @Nullable Object data) {
         return new SuccessResult(message, data);
     }
 
-    public static UnifiedResponse error(String message) {
+    public static UnifiedResponse error(@Nullable String message) {
         return new ErrorResult(message);
     }
 
-    public static UnifiedResponse error(String message, Object data) {
+    public static UnifiedResponse error(@Nullable String message, @Nullable Object data) {
         return new ErrorResult(message, data);
     }
 
-    public static UnifiedResponse error(Object status, String message) {
+    public static UnifiedResponse error(Object status, @Nullable String message) {
         return new ErrorResult(status, message);
     }
 
-    public static UnifiedResponse error(Object status, String message, Object data) {
+    public static UnifiedResponse error(Object status, @Nullable String message, @Nullable Object data) {
         return new ErrorResult(status, message, data);
     }
 
@@ -77,11 +79,11 @@ public abstract class UnifiedResponse extends HashMap<String, Object> {
         return new ErrorResult(e);
     }
 
-    public static UnifiedResponse of(Object status, String message) {
+    public static UnifiedResponse of(Object status, @Nullable String message) {
         return new CustomResult(status, message);
     }
 
-    public static UnifiedResponse of(Object status, String message, Object data) {
+    public static UnifiedResponse of(Object status, @Nullable String message, @Nullable Object data) {
         return new CustomResult(status, message, data);
     }
 
@@ -100,12 +102,12 @@ public abstract class UnifiedResponse extends HashMap<String, Object> {
         return isSuccess.getAsBoolean() ? success.get() : error.get();
     }
 
-    protected UnifiedResponse(Object status, String message) {
+    protected UnifiedResponse(Object status, @Nullable String message) {
         setStatus(status);
         setMessage(message);
     }
 
-    protected UnifiedResponse(Object status, String message, Object data) {
+    protected UnifiedResponse(Object status, @Nullable String message, @Nullable Object data) {
         setStatus(status);
         setMessage(message);
         setData(data);
@@ -120,12 +122,14 @@ public abstract class UnifiedResponse extends HashMap<String, Object> {
         }
     }
 
-    private void setData(Object data) {
-        super.put(DATA_KEY, Objects.requireNonNull(data));
+    private void setData(@Nullable Object data) {
+        if (data != null) {
+            super.put(DATA_KEY, data);
+        }
     }
 
-    private void setMessage(String message) {
-        super.put(MESSAGE_KEY, Objects.requireNonNull(message));
+    private void setMessage(@Nullable String message) {
+        super.put(MESSAGE_KEY, message);
     }
 
     /**