diff --git a/internal/datanode/data_node_test.go b/internal/datanode/data_node_test.go
index c59ab54872..349f63f576 100644
--- a/internal/datanode/data_node_test.go
+++ b/internal/datanode/data_node_test.go
@@ -386,7 +386,7 @@ func TestDataNode(t *testing.T) {
 		require.NoError(t, err)
 		require.Equal(t, 1, len(node.vchan2FlushCh))
 		require.Equal(t, 1, len(node.vchan2SyncService))
-		time.Sleep(time.Second)
+		time.Sleep(100 * time.Millisecond)
 
 		node.ReleaseDataSyncService(dmChannelName)
 		assert.Equal(t, 0, len(node.vchan2FlushCh))
diff --git a/internal/indexcoord/index_coord_test.go b/internal/indexcoord/index_coord_test.go
index 6118484079..dc25a7b13d 100644
--- a/internal/indexcoord/index_coord_test.go
+++ b/internal/indexcoord/index_coord_test.go
@@ -112,7 +112,7 @@ func TestIndexCoord(t *testing.T) {
 				resp.States[0].State == commonpb.IndexState_Failed {
 				break
 			}
-			time.Sleep(1 * time.Second)
+			time.Sleep(100 * time.Millisecond)
 		}
 	})
 
@@ -182,7 +182,7 @@ func TestIndexCoord(t *testing.T) {
 		indexMeta := ic.metaTable.GetIndexMetaByIndexBuildID(indexBuildID)
 		for indexMeta != nil {
 			indexMeta = ic.metaTable.GetIndexMetaByIndexBuildID(indexBuildID)
-			time.Sleep(time.Second)
+			time.Sleep(100 * time.Millisecond)
 		}
 	})
 
diff --git a/internal/indexnode/indexnode_test.go b/internal/indexnode/indexnode_test.go
index 8007ef2197..1f249f1b29 100644
--- a/internal/indexnode/indexnode_test.go
+++ b/internal/indexnode/indexnode_test.go
@@ -170,7 +170,7 @@ func TestIndexNode(t *testing.T) {
 		err = proto.UnmarshalText(value, &indexMetaTmp)
 		assert.Nil(t, err)
 		for indexMetaTmp.State != commonpb.IndexState_Finished {
-			time.Sleep(time.Second)
+			time.Sleep(100 * time.Millisecond)
 			value, err = in.etcdKV.Load(metaPath1)
 			assert.Nil(t, err)
 			err = proto.UnmarshalText(value, &indexMetaTmp)
@@ -280,7 +280,7 @@ func TestIndexNode(t *testing.T) {
 		err = proto.UnmarshalText(value, &indexMetaTmp)
 		assert.Nil(t, err)
 		for indexMetaTmp.State != commonpb.IndexState_Finished {
-			time.Sleep(time.Second)
+			time.Sleep(100 * time.Millisecond)
 			value, err = in.etcdKV.Load(metaPath2)
 			assert.Nil(t, err)
 			err = proto.UnmarshalText(value, &indexMetaTmp)
@@ -574,7 +574,7 @@ func TestCreateIndexFailed(t *testing.T) {
 		err = proto.UnmarshalText(value, &indexMetaTmp)
 		assert.Nil(t, err)
 		for indexMetaTmp.State != commonpb.IndexState_Failed {
-			time.Sleep(time.Second)
+			time.Sleep(100 * time.Millisecond)
 			value, err = in.etcdKV.Load(metaPath1)
 			assert.Nil(t, err)
 			err = proto.UnmarshalText(value, &indexMetaTmp)
@@ -692,7 +692,7 @@ func TestCreateIndexFailed(t *testing.T) {
 		err = proto.UnmarshalText(value, &indexMetaTmp)
 		assert.Nil(t, err)
 		for indexMetaTmp.State != commonpb.IndexState_Failed {
-			time.Sleep(time.Second)
+			time.Sleep(100 * time.Millisecond)
 			value, err = in.etcdKV.Load(metaPath2)
 			assert.Nil(t, err)
 			err = proto.UnmarshalText(value, &indexMetaTmp)
diff --git a/internal/kv/etcd/etcd_kv_test.go b/internal/kv/etcd/etcd_kv_test.go
index b881f0f7d1..7947e82de8 100644
--- a/internal/kv/etcd/etcd_kv_test.go
+++ b/internal/kv/etcd/etcd_kv_test.go
@@ -495,7 +495,7 @@ func TestElapse(t *testing.T) {
 	isElapse := etcdkv.CheckElapseAndWarn(start, "err message")
 	assert.Equal(t, isElapse, false)
 
-	time.Sleep(time.Duration(3) * time.Second)
+	time.Sleep(2001 * time.Millisecond)
 	isElapse = etcdkv.CheckElapseAndWarn(start, "err message")
 	assert.Equal(t, isElapse, true)
 }
diff --git a/internal/proxy/channels_time_ticker_test.go b/internal/proxy/channels_time_ticker_test.go
index 34e638b896..15927597fc 100644
--- a/internal/proxy/channels_time_ticker_test.go
+++ b/internal/proxy/channels_time_ticker_test.go
@@ -68,7 +68,7 @@ func TestChannelsTimeTickerImpl_start(t *testing.T) {
 		assert.Equal(t, nil, err)
 	}()
 
-	time.Sleep(time.Second)
+	time.Sleep(100 * time.Millisecond)
 }
 
 func TestChannelsTimeTickerImpl_close(t *testing.T) {
@@ -90,7 +90,7 @@ func TestChannelsTimeTickerImpl_close(t *testing.T) {
 		assert.Equal(t, nil, err)
 	}()
 
-	time.Sleep(time.Second)
+	time.Sleep(100 * time.Millisecond)
 }
 
 func TestChannelsTimeTickerImpl_addPChan(t *testing.T) {
@@ -118,7 +118,7 @@ func TestChannelsTimeTickerImpl_addPChan(t *testing.T) {
 		assert.Equal(t, nil, err)
 	}()
 
-	time.Sleep(time.Second)
+	time.Sleep(100 * time.Millisecond)
 }
 
 func TestChannelsTimeTickerImpl_getLastTick(t *testing.T) {
@@ -156,7 +156,7 @@ func TestChannelsTimeTickerImpl_getLastTick(t *testing.T) {
 			}
 		}
 	}()
-	time.Sleep(time.Second)
+	time.Sleep(100 * time.Millisecond)
 	b <- struct{}{}
 	wg.Wait()
 
@@ -165,7 +165,7 @@ func TestChannelsTimeTickerImpl_getLastTick(t *testing.T) {
 		assert.Equal(t, nil, err)
 	}()
 
-	time.Sleep(time.Second)
+	time.Sleep(100 * time.Millisecond)
 }
 
 func TestChannelsTimeTickerImpl_getMinTsStatistics(t *testing.T) {
@@ -203,7 +203,7 @@ func TestChannelsTimeTickerImpl_getMinTsStatistics(t *testing.T) {
 			}
 		}
 	}()
-	time.Sleep(time.Second)
+	time.Sleep(100 * time.Millisecond)
 	b <- struct{}{}
 	wg.Wait()
 
@@ -212,5 +212,5 @@ func TestChannelsTimeTickerImpl_getMinTsStatistics(t *testing.T) {
 		assert.Equal(t, nil, err)
 	}()
 
-	time.Sleep(time.Second)
+	time.Sleep(100 * time.Millisecond)
 }