diff --git a/pigx-common/pigx-common-sequence/src/main/java/com/pig4cloud/pigx/common/sequence/properties/SequenceDbProperties.java b/pigx-common/pigx-common-sequence/src/main/java/com/pig4cloud/pigx/common/sequence/properties/SequenceDbProperties.java
index 9c1fc3231..a9c3729c1 100644
--- a/pigx-common/pigx-common-sequence/src/main/java/com/pig4cloud/pigx/common/sequence/properties/SequenceDbProperties.java
+++ b/pigx-common/pigx-common-sequence/src/main/java/com/pig4cloud/pigx/common/sequence/properties/SequenceDbProperties.java
@@ -5,6 +5,7 @@ package com.pig4cloud.pigx.common.sequence.properties;
  * @date 2019-05-26
  */
 
+import com.baomidou.mybatisplus.annotation.DbType;
 import lombok.Data;
 import org.springframework.boot.context.properties.ConfigurationProperties;
 import org.springframework.stereotype.Component;
@@ -20,6 +21,11 @@ import org.springframework.stereotype.Component;
 @ConfigurationProperties(prefix = "pigx.xsequence.db")
 public class SequenceDbProperties extends BaseSequenceProperties {
 
+	/**
+	 * 默认数据库类型
+	 */
+	private DbType dbType = DbType.MYSQL;
+
 	/**
 	 * 表名称
 	 */
@@ -30,4 +36,4 @@ public class SequenceDbProperties extends BaseSequenceProperties {
 	 */
 	private int retryTimes = 1;
 
-}
\ No newline at end of file
+}
diff --git a/pigx-common/pigx-common-sequence/src/main/java/com/pig4cloud/pigx/common/sequence/range/impl/db/provider/SqlProviderFactory.java b/pigx-common/pigx-common-sequence/src/main/java/com/pig4cloud/pigx/common/sequence/range/impl/db/provider/SqlProviderFactory.java
index 2353a7335..0ffd4d80f 100644
--- a/pigx-common/pigx-common-sequence/src/main/java/com/pig4cloud/pigx/common/sequence/range/impl/db/provider/SqlProviderFactory.java
+++ b/pigx-common/pigx-common-sequence/src/main/java/com/pig4cloud/pigx/common/sequence/range/impl/db/provider/SqlProviderFactory.java
@@ -4,12 +4,14 @@ import cn.hutool.core.util.StrUtil;
 import com.alibaba.druid.pool.DruidDataSource;
 import com.baomidou.mybatisplus.annotation.DbType;
 import com.baomidou.mybatisplus.extension.toolkit.JdbcUtils;
+import com.pig4cloud.pigx.common.sequence.properties.SequenceDbProperties;
 import lombok.RequiredArgsConstructor;
 import org.springframework.context.annotation.Lazy;
 import org.springframework.core.env.Environment;
 import org.springframework.stereotype.Component;
 
 import java.util.List;
+import java.util.Optional;
 
 /**
  * sql语句提供工厂
@@ -22,20 +24,29 @@ import java.util.List;
 @RequiredArgsConstructor
 public class SqlProviderFactory {
 
-	private final DruidDataSource druidDataSource;
+	private final Optional<DruidDataSource> druidDataSourceOptional;
+
+	private final SequenceDbProperties dbProperties;
 
 	private final List<SqlProvider> sqlProviders;
 
 	private final Environment environment;
 
 	public SqlProvider getSqlProvider() {
-		String url = druidDataSource.getUrl();
-		// druid 形式 进行降级获取
-		if (StrUtil.isBlank(url)) {
-			url = environment.getProperty("spring.datasource.druid.url");
+		DbType dbType = null;
+		if (druidDataSourceOptional.isPresent()) {
+			String url = druidDataSourceOptional.get().getUrl();
+			// druid 形式 进行降级获取
+			if (StrUtil.isBlank(url)) {
+				url = environment.getProperty("spring.datasource.druid.url");
+			}
+
+			JdbcUtils.getDbType(url);
+		}
+		else {
+			dbType = dbProperties.getDbType();
 		}
 
-		DbType dbType = JdbcUtils.getDbType(url);
 		for (SqlProvider sqlProvider : sqlProviders) {
 			if (sqlProvider.support(dbType)) {
 				return sqlProvider;