diff --git a/mybatis-plus-extension/src/main/java/com/baomidou/mybatisplus/extension/incrementer/FirebirdKeyGenerator b/mybatis-plus-extension/src/main/java/com/baomidou/mybatisplus/extension/incrementer/FirebirdKeyGenerator
new file mode 100644
index 0000000000000000000000000000000000000000..a97eb97e7ecfcb9f9db6784cf3df9d9843581d8d
--- /dev/null
+++ b/mybatis-plus-extension/src/main/java/com/baomidou/mybatisplus/extension/incrementer/FirebirdKeyGenerator
@@ -0,0 +1,24 @@
+package com.baomidou.mybatisplus.extension.incrementer;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.baomidou.mybatisplus.annotation.DbType;
+
+import com.baomidou.mybatisplus.core.incrementer.IKeyGenerator;
+
+public class FirebirdKeyGenerator implements IKeyGenerator {
+	private static final Logger log = LoggerFactory.getLogger(FirebirdKeyGenerator.class);
+	@Override
+	public String executeSql(String incrementerName) {
+		// TODO Auto-generated method stub	
+		return "SELECT next value for " + incrementerName + " from rdb$database";
+	}
+
+	@Override
+	public DbType dbType() {
+		// TODO Auto-generated method stub	
+		return DbType.FIREBIRD;
+		//return null;
+	}
+}
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