diff --git a/src/main/java/com/imyeyu/spring/util/GlobalExceptionHandler.java b/src/main/java/com/imyeyu/spring/util/GlobalExceptionHandler.java
index 8717937..73cbb42 100644
--- a/src/main/java/com/imyeyu/spring/util/GlobalExceptionHandler.java
+++ b/src/main/java/com/imyeyu/spring/util/GlobalExceptionHandler.java
@@ -1,10 +1,10 @@
 package com.imyeyu.spring.util;
 
-import jakarta.servlet.ServletException;
-import jakarta.validation.ValidationException;
 import com.imyeyu.java.bean.timi.TimiCode;
 import com.imyeyu.java.bean.timi.TimiException;
 import com.imyeyu.java.bean.timi.TimiResponse;
+import jakarta.servlet.ServletException;
+import jakarta.validation.ValidationException;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.TypeMismatchException;
@@ -41,7 +41,7 @@ public class GlobalExceptionHandler {
 		if (env.contains("dev") || log.isDebugEnabled()) {
 			log.error("conversion error", e);
 		}
-		return new TimiResponse<>(TimiCode.ARG_BAD);
+		return new TimiResponse<>(TimiCode.ARG_BAD).msgKey("invalid.body");
 	}
 
 	/**
@@ -56,7 +56,7 @@ public class GlobalExceptionHandler {
 		if (env.contains("dev") || log.isDebugEnabled()) {
 			log.error("header error", e);
 		}
-		return new TimiResponse<>(TimiCode.REQUEST_BAD);
+		return new TimiResponse<>(TimiCode.REQUEST_BAD).msgKey("invalid.header");
 	}
 
 	/**
@@ -77,7 +77,7 @@ public class GlobalExceptionHandler {
 		if (env.startsWith("dev") || log.isDebugEnabled()) {
 			log.error("request error", e);
 		}
-		return new TimiResponse<>(TimiCode.REQUEST_BAD);
+		return new TimiResponse<>(TimiCode.REQUEST_BAD).msgKey("invalid.arg");
 	}
 
 	/**
@@ -89,7 +89,6 @@ public class GlobalExceptionHandler {
 	@ExceptionHandler(Throwable.class)
 	public TimiResponse<?> error(Throwable e) {
 		if (e instanceof TimiException timiE) {
-			// TODO 400 以下即使是开发环境也不算异常
 			if (env.startsWith("dev") || log.isDebugEnabled()) {
 				log.error(timiE.getMessage(), e);
 			}
@@ -98,6 +97,6 @@ public class GlobalExceptionHandler {
 		}
 		// 致命异常
 		log.error("fatal error", e);
-		return new TimiResponse<>(TimiCode.ERROR);
+		return new TimiResponse<>(TimiCode.ERROR).msgKey("service.error");
 	}
 }
diff --git a/src/main/resources/lang/zhCN.lang b/src/main/resources/lang/zhCN.lang
new file mode 100644
index 0000000..291e49d
--- /dev/null
+++ b/src/main/resources/lang/zhCN.lang
@@ -0,0 +1,4 @@
+invalid.arg=无效的参数
+invalid.body=无效的请求体
+invalid.header=无效的请求头
+service.error=服务错误
\ No newline at end of file