diff --git a/server/src/main/java/cn/keking/config/ConfigConstants.java b/server/src/main/java/cn/keking/config/ConfigConstants.java
index bd4879cd..19a5aa84 100644
--- a/server/src/main/java/cn/keking/config/ConfigConstants.java
+++ b/server/src/main/java/cn/keking/config/ConfigConstants.java
@@ -72,7 +72,7 @@ public class ConfigConstants {
     public static final String DEFAULT_size_DISABLE = "500MB";
     public static final String DEFAULT_prohibit_DISABLE = "exe,dll";
     public static final String DEFAULT_password_DISABLE = "123456";
-    public static final String DEFAULT_PDF2_JPG_DPI_SIZE_DISABLE = "105";
+    public static final String DEFAULT_PDF2_JPG_DPI_DISABLE = "105";
     public static final String DEFAULT_Delete_Source_File_PREVIEW_TYPE = "true";
 
     public static Boolean isCacheEnabled() {