diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index ce04872..958930c 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -68,10 +68,10 @@ jobs:
           key: ${{ runner.os }}-gradle-wrapper-${{ hashFiles('**/gradle/wrapper/gradle-wrapper.properties') }}
 
       - name: Style Check
-        run: ./gradlew scalastyleMainCheck -PscalaVersion=${{ matrix.scalaVersion }} -PsparkVersion=${{ matrix.sparkVersion }} -PscalaCompt=${{ matrix.scalaCompt }}
+        run: ./gradlew :spark:scalastyleMainCheck -PscalaVersion=${{ matrix.scalaVersion }} -PsparkVersion=${{ matrix.sparkVersion }} -PscalaCompt=${{ matrix.scalaCompt }}
 
       - name: Test
-        run: ./gradlew test -PscalaVersion=${{ matrix.scalaVersion }} -PsparkVersion=${{ matrix.sparkVersion }} -PscalaCompt=${{ matrix.scalaCompt }}
+        run: ./gradlew test -x :flink:test -PscalaVersion=${{ matrix.scalaVersion }} -PsparkVersion=${{ matrix.sparkVersion }} -PscalaCompt=${{ matrix.scalaCompt }}
 #        run: ./gradlew test aggregateScoverage -PscalaVersion=${{ matrix.scalaVersion }} -PsparkVersion=${{ matrix.sparkVersion }} -PscalaCompt=${{ matrix.scalaCompt }}
 
 #      - uses: codecov/codecov-action@v2
diff --git a/flink/src/main/scala/com/github/sharpdata/sharpetl/flink/datasource/ConsoleDataSource.scala b/flink/src/main/scala/com/github/sharpdata/sharpetl/flink/datasource/ConsoleDataSource.scala
index 1a4896b..0fbb6a4 100644
--- a/flink/src/main/scala/com/github/sharpdata/sharpetl/flink/datasource/ConsoleDataSource.scala
+++ b/flink/src/main/scala/com/github/sharpdata/sharpetl/flink/datasource/ConsoleDataSource.scala
@@ -15,6 +15,6 @@ class ConsoleDataSource extends Sink[DataFrame] {
     println(df.explain())
     println("console output:")
 
-    df.fetch(10000).execute().print()
+    df.execute().print()
   }
 }
diff --git a/flink/src/main/scala/com/github/sharpdata/sharpetl/flink/quality/FlinkQualityCheck.scala b/flink/src/main/scala/com/github/sharpdata/sharpetl/flink/quality/FlinkQualityCheck.scala
index e1a27d9..0bb0357 100644
--- a/flink/src/main/scala/com/github/sharpdata/sharpetl/flink/quality/FlinkQualityCheck.scala
+++ b/flink/src/main/scala/com/github/sharpdata/sharpetl/flink/quality/FlinkQualityCheck.scala
@@ -2,7 +2,7 @@ package com.github.sharpdata.sharpetl.flink.quality
 
 import com.github.sharpdata.sharpetl.core.annotation.Annotations.Stable
 import com.github.sharpdata.sharpetl.core.quality.QualityCheck._
-import com.github.sharpdata.sharpetl.core.quality.{DataQualityCheckResult, DataQualityConfig, ErrorType, QualityCheck, QualityCheckRule}
+import com.github.sharpdata.sharpetl.core.quality._
 import com.github.sharpdata.sharpetl.core.repository.QualityCheckAccessor
 import com.github.sharpdata.sharpetl.core.util.{ETLLogger, StringUtil}
 import com.github.sharpdata.sharpetl.flink.extra.driver.FlinkJdbcStatement.fixedResult
@@ -13,7 +13,6 @@ import org.apache.flink.table.api.{TableEnvironment, ValidationException}
 import org.apache.flink.table.operations.{ModifyOperation, Operation, QueryOperation}
 
 import java.util
-import java.util.List
 import scala.jdk.CollectionConverters.asScalaIteratorConverter
 
 @Stable(since = "1.0.0")
@@ -29,12 +28,14 @@ class FlinkQualityCheck(val tEnv: TableEnvironment,
       ETLLogger.info(s"execution sql:\n $sql")
       tEnv.sqlQuery(sql).execute().collect().asScala
         .map(it => DataQualityCheckResult(
+          // scalastyle:off
           it.getField(0).toString, // column
           it.getField(1).toString, // dataCheckType
           it.getField(2).toString, // ids
           it.getField(3).toString.split(DELIMITER).head, // errorType
           it.getField(4).toString.toInt, // warnCount
           it.getField(5).toString.toInt) // errorCount
+          // scalastyle:on
         )
         .filterNot(it => it.warnCount < 1 && it.errorCount < 1)
         .toSeq
diff --git a/flink/src/main/scala/com/github/sharpdata/sharpetl/flink/util/ETLFlinkSession.scala b/flink/src/main/scala/com/github/sharpdata/sharpetl/flink/util/ETLFlinkSession.scala
index acf2fb1..e1a6c95 100644
--- a/flink/src/main/scala/com/github/sharpdata/sharpetl/flink/util/ETLFlinkSession.scala
+++ b/flink/src/main/scala/com/github/sharpdata/sharpetl/flink/util/ETLFlinkSession.scala
@@ -59,7 +59,7 @@ object ETLFlinkSession {
   //    }
   //  }
 
-  def createCatalogIfNeed(etlDatabaseType: String, session: TableEnvironment) = {
+  def createCatalogIfNeed(etlDatabaseType: String, session: TableEnvironment): Unit = {
     if (etlDatabaseType == FLINK_SHARP_ETL) {
       val catalogName = ETLConfig.getProperty("flyway.catalog")
       val catalog = session.getCatalog(catalogName)