diff --git a/docker/sts/example/eln_data.yaml b/docker/sts/example/eln_data.yaml
index 99a2aeceb12146e386caa423e6d4708c4adadc40..d17912026ed0c7e15eb45369f83836ed402ce690 100644
--- a/docker/sts/example/eln_data.yaml
+++ b/docker/sts/example/eln_data.yaml
@@ -1,5 +1,6 @@
 # Note: _N should be replaced by x, y, z or 1, 2, etc according to meaning of N.
 # Fox axis or direction x,y,z and for number of channeltron 1,2,3... .
+default: li_demod_1_x
 Data: null
 Instrument:
   Environment:
diff --git a/docker/sts/example/stm_example/STS.scheme.archive.yaml b/docker/sts/example/stm_example/STS.scheme.archive.yaml
index 0850c788874e27aa0be9548e0e54eb0c6dc74cd2..bb335484d07a99db059c95de9f3c744aed1a43a8 100644
--- a/docker/sts/example/stm_example/STS.scheme.archive.yaml
+++ b/docker/sts/example/stm_example/STS.scheme.archive.yaml
@@ -12,6 +12,13 @@ definitions:
         eln:
           hide: []
       quantities:
+        default:
+          type: str
+          m_annotations:
+            eln:
+              component: StringEditQuantity
+          description: |
+            The name of the default plot (e.g. backward, forward) to be displayed on the entry of NeXus file
         definition:
           type: 
             type_kind: Enum
diff --git a/docker/sts/example/stm_example/eln_data.yaml b/docker/sts/example/stm_example/eln_data.yaml
index eb20b3718474f306babea847a75eccb7669548f1..a1250c25b8c2182c7991253ea1985fe04206f1c3 100644
--- a/docker/sts/example/stm_example/eln_data.yaml
+++ b/docker/sts/example/stm_example/eln_data.yaml
@@ -29,6 +29,7 @@ Instrument:
     unit: K
     value: 5.04866
 collection_identifier: TiSe2_2303a_annealing_300C_5min_evaporate_Pyrene_1_
+default: backward
 definition: NXsts
 entry_identifier: TiSe2_2303a_annealing_300C_5min_evaporate_Pyrene_1_0070
 experiment_description: A new TiSe2, annealed at 300 C for 5 min, then cool down to
diff --git a/docker/sts/example/stm_example/stm.zip b/docker/sts/example/stm_example/stm.zip
deleted file mode 100644
index a04e9e8107c4bf957fbffa5cbc74075dde80455c..0000000000000000000000000000000000000000
Binary files a/docker/sts/example/stm_example/stm.zip and /dev/null differ
diff --git a/docker/sts/example/sts_example/STS.scheme.archive.yaml b/docker/sts/example/sts_example/STS.scheme.archive.yaml
index 2878fd5942d396f18759b5d566acd91e5fb0df76..37471336fd89306c1a3afdc2f3a040f0d61159b6 100644
--- a/docker/sts/example/sts_example/STS.scheme.archive.yaml
+++ b/docker/sts/example/sts_example/STS.scheme.archive.yaml
@@ -12,6 +12,13 @@ definitions:
         eln:
           hide: []
       quantities:
+        default:
+          type: str
+          m_annotations:
+            eln:
+              component: StringEditQuantity
+          description: |
+            The name of the default plot (e.g. li_demod_1_x, current) to be displayed on the entry of NeXus file.
         definition:
           type: 
             type_kind: Enum
diff --git a/docker/sts/example/sts_example/eln_data.yaml b/docker/sts/example/sts_example/eln_data.yaml
index bfc1ab194582768eb6c82bb7dc550f8b86a33ace..9b8047e80dc225f367ab64a94a76c6d490570553 100644
--- a/docker/sts/example/sts_example/eln_data.yaml
+++ b/docker/sts/example/sts_example/eln_data.yaml
@@ -32,6 +32,7 @@ Instrument:
     unit: K
     value: 4.92997
 collection_identifier: 221122_Au_5K
+default: li_demod_1_x
 definition: NXsts
 entry_identifier: 221122_Au_5K00014
 experiment_description: 'Bias Spectroscopy: SYNC & Filter LP 8order WITHDRAW             600
diff --git a/docker/sts/example/sts_example/sts.zip b/docker/sts/example/sts_example/sts.zip
deleted file mode 100644
index a4dab02d26ad49e89fd10982f805a04e50010fb7..0000000000000000000000000000000000000000
Binary files a/docker/sts/example/sts_example/sts.zip and /dev/null differ