diff --git a/internal/shared/pdf/pdf_generator.go b/internal/shared/pdf/pdf_generator.go
index 769e40f..121f65c 100644
--- a/internal/shared/pdf/pdf_generator.go
+++ b/internal/shared/pdf/pdf_generator.go
@@ -33,7 +33,7 @@ func NewPDFGenerator(logger *zap.Logger) *PDFGenerator {
 
 	gen := &PDFGenerator{
 		logger:        logger,
-		watermarkText: "海宇数科（广东横琴）科技有限公司",
+		watermarkText: "海宇数据",
 	}
 
 	// 尝试注册中文字体
diff --git a/internal/shared/pdf/pdf_generator_refactored.go b/internal/shared/pdf/pdf_generator_refactored.go
index 6f5395a..91ff89e 100644
--- a/internal/shared/pdf/pdf_generator_refactored.go
+++ b/internal/shared/pdf/pdf_generator_refactored.go
@@ -49,7 +49,7 @@ func NewPDFGeneratorRefactored(logger *zap.Logger) *PDFGeneratorRefactored {
 		tableParser:   tableParser,
 		tableRenderer: tableRenderer,
 		jsonProcessor: jsonProcessor,
-		watermarkText: "海宇数科（广东横琴）科技有限公司",
+		watermarkText: "海宇数据",
 	}
 
 	// 查找logo文件
diff --git a/resources/pdf/logo.png b/resources/pdf/logo.png
index 40beb05..eb03f6b 100644
Binary files a/resources/pdf/logo.png and b/resources/pdf/logo.png differ
diff --git a/resources/pdf/old/logo.png b/resources/pdf/old/logo.png
new file mode 100644
index 0000000..40beb05
Binary files /dev/null and b/resources/pdf/old/logo.png differ