diff --git a/src/main/java/neatlogic/framework/constvalue/SystemProperty.java b/src/main/java/neatlogic/framework/constvalue/SystemProperty.java
new file mode 100644
index 0000000000000000000000000000000000000000..77cfc1fb66da3de8a3b2108e18b371f1ac6ccde4
--- /dev/null
+++ b/src/main/java/neatlogic/framework/constvalue/SystemProperty.java
@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) 2025  深圳极向量科技有限公司 All Rights Reserved.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package neatlogic.framework.constvalue;
+
+public class SystemProperty {
+    public final static String LOG4J_HOME = "log4j.home";
+}
diff --git a/src/main/java/neatlogic/framework/exception/SystemPropertyNotFoundException.java b/src/main/java/neatlogic/framework/exception/SystemPropertyNotFoundException.java
new file mode 100644
index 0000000000000000000000000000000000000000..1042b82fa13352010d552969bd6ba64ed41f613d
--- /dev/null
+++ b/src/main/java/neatlogic/framework/exception/SystemPropertyNotFoundException.java
@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) 2025  深圳极向量科技有限公司 All Rights Reserved.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package neatlogic.framework.exception;
+
+import neatlogic.framework.exception.core.ApiRuntimeException;
+
+public class SystemPropertyNotFoundException extends ApiRuntimeException {
+
+    public SystemPropertyNotFoundException(String name) {
+        super("nfe.systempropertynotfoundexception.systempropertynotfoundexception", name);
+    }
+}
diff --git a/src/main/java/neatlogic/framework/exception/file/FileNotFoundException.java b/src/main/java/neatlogic/framework/exception/file/FileNotFoundException.java
index ea3f9d88ad16b1e6f0f75e717d65c2bd9e53d19d..8b17a4289aff34ae6fe7ba9916d93d8d86336d76 100644
--- a/src/main/java/neatlogic/framework/exception/file/FileNotFoundException.java
+++ b/src/main/java/neatlogic/framework/exception/file/FileNotFoundException.java
@@ -1,10 +1,31 @@
 package neatlogic.framework.exception.file;
 
 import neatlogic.framework.exception.core.ApiRuntimeException;
+import neatlogic.framework.util.$;
+import org.apache.commons.lang3.StringUtils;
 
 public class FileNotFoundException extends ApiRuntimeException {
+
+    public enum Type {
+        NONEXISTENT,
+        DIRECTORY,
+        ;
+    }
+
     public FileNotFoundException(Long id) {
-        super("附件“{0}”不存在", id);
+        super("nfef.filenotfoundexception.filenotfoundexception", id);
     }
 
+    public FileNotFoundException(Type type, String path) {
+        super(getMessage(type, path));
+    }
+
+    private static String getMessage(Type type, String path) {
+        if (type == Type.NONEXISTENT) {
+            return $.t("nfef.filenotfoundexception.getmessage.nonexistent", path);
+        } else if (type == Type.DIRECTORY) {
+            return $.t("nfef.filenotfoundexception.getmessage.directory", path);
+        }
+        return StringUtils.EMPTY;
+    }
 }