diff --git a/src/main/java/com/gis3c/spatial/postgis/ArrayTypeHandler.java b/src/main/java/com/gis3c/spatial/postgis/ArrayTypeHandler.java
index 88e6b8e..cc5c5b5 100644
--- a/src/main/java/com/gis3c/spatial/postgis/ArrayTypeHandler.java
+++ b/src/main/java/com/gis3c/spatial/postgis/ArrayTypeHandler.java
@@ -16,6 +16,8 @@ public class ArrayTypeHandler extends BaseTypeHandler<Object[]> {
     private static final String TYPE_NAME_BOOLEAN = "boolean";
     private static final String TYPE_NAME_INTEGER = "integer";
     private static final String TYPE_NAME_NUMERIC = "numeric";
+    private static final String TYPE_NAME_DECIMAL = "decimal";
+
 
 
     @Override
@@ -27,8 +29,10 @@ public class ArrayTypeHandler extends BaseTypeHandler<Object[]> {
             typeName = TYPE_NAME_VARCHAR;
         } else if (parameter instanceof Boolean[] || parameter instanceof Boolean[][]) {
             typeName = TYPE_NAME_BOOLEAN;
-        } else if (parameter instanceof Double[] || parameter instanceof Boolean[][]) {
+        } else if (parameter instanceof Double[] || parameter instanceof Double[][]) {
             typeName = TYPE_NAME_NUMERIC;
+        } else if(parameter instanceof BigDecimal[] || parameter instanceof BigDecimal[][]){
+            typeName = TYPE_NAME_DECIMAL;
         }
 
         if (typeName == null) {
diff --git a/src/main/resources/init.sql b/src/main/resources/init.sql
index 8d823b3..fb92ffa 100644
--- a/src/main/resources/init.sql
+++ b/src/main/resources/init.sql
@@ -73,18 +73,20 @@ create table c3gis_ol_layer(
    layerId    varchar(50) not null PRIMARY KEY,
    layerName    varchar(50) not null,
    aliasName   varchar(50),
-   opacity  real,
+   opacity  numeric,
    source   varchar(50),
    visible    boolean,
-   extent decimal ARRAY[4],
+   extent numeric ARRAY[4],
    zIndex   integer,
-   minResolution    decimal,
-   maxResolution    decimal,
+   minResolution    numeric,
+   maxResolution    numeric,
    type   varchar(50),
    options  jsonb,
    description varchar(50)
 );
 
+ALTER TABLE 'c3gis_ol_layer' ALTER COLUMN opacity type numeric(1,5)
+
 --ArcGIS切片服务
 create table c3gis_ol_source_tilearcgisrest(
    sourceid    varchar(50) not null PRIMARY KEY,