diff --git a/src/main/java/mpms/service/h2db/BaseDbCommonService.java b/src/main/java/mpms/service/h2db/BaseDbCommonService.java
index 610319dec7e265f1b48d03531ae1012f160dc784..208ac69aa9b854fa12dcc7dc59aa65b60dada9b1 100644
--- a/src/main/java/mpms/service/h2db/BaseDbCommonService.java
+++ b/src/main/java/mpms/service/h2db/BaseDbCommonService.java
@@ -48,4 +48,11 @@ public abstract class BaseDbCommonService<T> {
 		this.key = key;
 	}
 
+	@SuppressWarnings("unchecked")
+	public BaseDbCommonService(String tableName, String key) {
+		this.tClass = (Class<T>) TypeUtil.getTypeArgument(this.getClass());
+		this.tableName = this.covetTableName(tableName, this.tClass);
+		this.key = key;
+	}
+
 }