diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index a3a19a3..e7fea0d 100755
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -2,7 +2,10 @@
 <project version="4">
   <component name="ChangeListManager">
     <list default="true" id="6f96de87-b4a9-466e-9c57-851a40404f91" name="Default Changelist" comment="">
-      <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/docs/NeuroRA_Revision.pdf" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/docs/source/conf.py" beforeDir="false" afterPath="$PROJECT_DIR$/docs/source/conf.py" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/neurora/Tutorial.pdf" beforeDir="false" afterPath="$PROJECT_DIR$/neurora/Tutorial.pdf" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/neurora/nps_cal.py" beforeDir="false" afterPath="$PROJECT_DIR$/neurora/nps_cal.py" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/neurora/rdm_cal.py" beforeDir="false" afterPath="$PROJECT_DIR$/neurora/rdm_cal.py" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/setup.py" beforeDir="false" afterPath="$PROJECT_DIR$/setup.py" afterDir="false" />
     </list>
@@ -129,24 +132,34 @@
   <component name="FileEditorManager">
     <leaf SIDE_TABS_SIZE_LIMIT_KEY="300">
       <file pinned="false" current-in-tab="false">
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-          <provider selected="true" editor-type-id="split-provider[text-editor;markdown-preview-editor]">
-            <state split_layout="FIRST">
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-              </first_editor>
-              <second_editor />
+        <entry file="file://$PROJECT_DIR$/neurora/rdm_cal.py">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="465">
+              <caret line="31" column="57" selection-start-line="31" selection-start-column="57" selection-end-line="31" selection-end-column="57" />
+              <folding>
+                <element signature="e#120#138#0" expanded="true" />
+              </folding>
             </state>
           </provider>
         </entry>
       </file>
       <file pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/neurora/rdm_cal.py">
+        <entry file="file://$PROJECT_DIR$/docs/source/rsa.rst">
+          <provider selected="true" editor-type-id="restructured-text-editor" />
+        </entry>
+      </file>
+      <file pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/docs/source/index.rst">
+          <provider selected="true" editor-type-id="restructured-text-editor" />
+        </entry>
+      </file>
+      <file pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/docs/source/conf.py">
           <provider selected="true" editor-type-id="text-editor">
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               <folding>
-                <element signature="e#120#138#0" expanded="true" />
+                <element signature="e#232#241#0" expanded="true" />
               </folding>
             </state>
           </provider>
@@ -164,6 +177,27 @@
           </provider>
         </entry>
       </file>
+      <file pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/neurora/isc_cal.py">
+          <provider selected="true" editor-type-id="text-editor">
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+              <folding>
+                <element signature="e#132#150#0" expanded="true" />
+              </folding>
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/neurora/corr_cal.py">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="422">
+              <caret line="79" column="25" selection-start-line="79" selection-start-column="25" selection-end-line="79" selection-end-column="25" />
+            </state>
+          </provider>
+        </entry>
+      </file>
       <file pinned="false" current-in-tab="true">
         <entry file="file://$PROJECT_DIR$/setup.py">
           <provider selected="true" editor-type-id="text-editor">
@@ -174,12 +208,21 @@
         </entry>
       </file>
       <file pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/neurora/rsa_plot.py">
+        <entry file="file://$PROJECT_DIR$/neurora/nps_cal.py">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="-1377">
+              <caret line="80" column="18" selection-start-line="80" selection-start-column="18" selection-end-line="80" selection-end-column="18" />
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/neurora/stps_cal.py">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="405">
-              <caret line="27" column="63" selection-start-line="27" selection-start-column="63" selection-end-line="27" selection-end-column="63" />
+            <state relative-caret-position="-69">
+              <caret line="481" selection-start-line="481" selection-end-line="481" />
               <folding>
-                <element signature="e#98#116#0" expanded="true" />
+                <element signature="e#140#158#0" expanded="true" />
               </folding>
             </state>
           </provider>
@@ -232,8 +275,6 @@
         <option value="$PROJECT_DIR$/index.md" />
         <option value="$PROJECT_DIR$/docs/source/overview.rst" />
         <option value="$PROJECT_DIR$/docs/source/index.rst" />
-        <option value="$PROJECT_DIR$/docs/source/conf.py" />
-        <option value="$PROJECT_DIR$/neurora/nps_cal.py" />
         <option value="$PROJECT_DIR$/neurora/isc_cal.py" />
         <option value="$PROJECT_DIR$/test/test_corr_cal.py" />
         <option value="$PROJECT_DIR$/test/t_nps_cal.py" />
@@ -259,16 +300,18 @@
         <option value="$PROJECT_DIR$/README.md" />
         <option value="$PROJECT_DIR$/test/t_corr_cal.py" />
         <option value="$PROJECT_DIR$/test/t_rdm_cal.py" />
+        <option value="$PROJECT_DIR$/neurora/nps_cal.py" />
         <option value="$PROJECT_DIR$/neurora/rdm_cal.py" />
+        <option value="$PROJECT_DIR$/docs/source/conf.py" />
         <option value="$PROJECT_DIR$/setup.py" />
       </list>
     </option>
   </component>
-  <component name="ProjectFrameBounds" extendedState="6">
-    <option name="x" value="220" />
-    <option name="y" value="66" />
-    <option name="width" value="1141" />
-    <option name="height" value="701" />
+  <component name="ProjectFrameBounds">
+    <option name="x" value="437" />
+    <option name="y" value="23" />
+    <option name="width" value="1255" />
+    <option name="height" value="777" />
   </component>
   <component name="ProjectLevelVcsManager" settingsEditedManually="true" />
   <component name="ProjectView">
@@ -284,21 +327,6 @@
               <item name="NeuroRAtoolbox" type="b2602c69:ProjectViewProjectNode" />
               <item name="NeuroRA-master" type="462c0819:PsiDirectoryNode" />
             </path>
-            <path>
-              <item name="NeuroRAtoolbox" type="b2602c69:ProjectViewProjectNode" />
-              <item name="NeuroRA-master" type="462c0819:PsiDirectoryNode" />
-              <item name="demo" type="462c0819:PsiDirectoryNode" />
-            </path>
-            <path>
-              <item name="NeuroRAtoolbox" type="b2602c69:ProjectViewProjectNode" />
-              <item name="NeuroRA-master" type="462c0819:PsiDirectoryNode" />
-              <item name="neurora" type="462c0819:PsiDirectoryNode" />
-            </path>
-            <path>
-              <item name="NeuroRAtoolbox" type="b2602c69:ProjectViewProjectNode" />
-              <item name="NeuroRA-master" type="462c0819:PsiDirectoryNode" />
-              <item name="test" type="462c0819:PsiDirectoryNode" />
-            </path>
           </expand>
           <select />
         </subPane>
@@ -581,7 +609,7 @@
       <workItem from="1605233483480" duration="847000" />
       <workItem from="1605421735636" duration="665000" />
       <workItem from="1606120029961" duration="5000" />
-      <workItem from="1606267506421" duration="1310000" />
+      <workItem from="1606267506421" duration="6583000" />
     </task>
     <servers />
   </component>
@@ -618,10 +646,10 @@
     </history-entry>
   </component>
   <component name="TimeTrackingManager">
-    <option name="totallyTimeSpent" value="875986000" />
+    <option name="totallyTimeSpent" value="881259000" />
   </component>
   <component name="ToolWindowManager">
-    <frame x="25" y="23" width="1255" height="777" extended-state="6" />
+    <frame x="261" y="52" width="1255" height="777" extended-state="0" />
     <editor active="true" />
     <layout>
       <window_info active="true" content_ui="combo" id="Project" order="0" visible="true" weight="0.278648" />
@@ -705,9 +733,6 @@
     <entry file="file://$PROJECT_DIR$/docs/source/stps_cal.rst">
       <provider selected="true" editor-type-id="restructured-text-editor" />
     </entry>
-    <entry file="file://$PROJECT_DIR$/docs/source/rsa.rst">
-      <provider selected="true" editor-type-id="restructured-text-editor" />
-    </entry>
     <entry file="file://$PROJECT_DIR$/docs/source/isc_cal.rst">
       <provider selected="true" editor-type-id="restructured-text-editor" />
     </entry>
@@ -746,19 +771,6 @@
     <entry file="file://$PROJECT_DIR$/docs/source/overview.rst">
       <provider selected="true" editor-type-id="restructured-text-editor" />
     </entry>
-    <entry file="file://$PROJECT_DIR$/docs/source/index.rst">
-      <provider selected="true" editor-type-id="restructured-text-editor" />
-    </entry>
-    <entry file="file://$PROJECT_DIR$/docs/source/conf.py">
-      <provider selected="true" editor-type-id="text-editor">
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-            <element signature="e#232#241#0" expanded="true" />
-          </folding>
-        </state>
-      </provider>
-    </entry>
     <entry file="file://$PROJECT_DIR$/neurora/test/test_corr_cal.py" />
     <entry file="file://$PROJECT_DIR$/neurora/test/corr_cal.py" />
     <entry file="file://$PROJECT_DIR$/test/t_nps_cal.py">
@@ -868,23 +880,6 @@
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/neurora/nps_cal.py">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="2884">
-          <caret line="207" column="18" selection-start-line="207" selection-start-column="18" selection-end-line="207" selection-end-column="18" />
-        </state>
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-    <entry file="file://$PROJECT_DIR$/neurora/stps_cal.py">
-      <provider selected="true" editor-type-id="text-editor">
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-            <element signature="e#140#158#0" expanded="true" />
-          </folding>
-        </state>
-      </provider>
-    </entry>
     <entry file="file://$PROJECT_DIR$/neurora/rdm1.txt" />
     <entry file="file://$PROJECT_DIR$/neurora/test.py" />
     <entry file="file://$PROJECT_DIR$/test/t_corr_cal.py">
@@ -947,23 +942,6 @@
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/neurora/isc_cal.py">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="3465">
-          <caret line="231" column="37" selection-start-line="231" selection-start-column="37" selection-end-line="231" selection-end-column="37" />
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-    <entry file="file://$PROJECT_DIR$/neurora/corr_cal.py">
-      <provider selected="true" editor-type-id="text-editor">
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-    </entry>
     <entry file="file://$PROJECT_DIR$/neurora/corr_cal_by_rdm.py">
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="2940">
@@ -1004,16 +982,66 @@
         </state>
       </provider>
     </entry>
+    <entry file="file://$PROJECT_DIR$/neurora/nps_cal.py">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="-1377">
+          <caret line="80" column="18" selection-start-line="80" selection-start-column="18" selection-end-line="80" selection-end-column="18" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/neurora/stps_cal.py">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="-69">
+          <caret line="481" selection-start-line="481" selection-end-line="481" />
+          <folding>
+            <element signature="e#140#158#0" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/neurora/isc_cal.py">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="3442">
+          <caret line="231" column="37" selection-start-line="231" selection-start-column="37" selection-end-line="231" selection-end-column="37" />
+          <folding>
+            <element signature="e#132#150#0" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/neurora/corr_cal.py">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="422">
+          <caret line="79" column="25" selection-start-line="79" selection-start-column="25" selection-end-line="79" selection-end-column="25" />
+        </state>
+      </provider>
+    </entry>
     <entry file="file://$PROJECT_DIR$/neurora/rdm_cal.py">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="246">
-          <caret line="676" column="23" lean-forward="true" selection-start-line="676" selection-start-column="23" selection-end-line="676" selection-end-column="23" />
+        <state relative-caret-position="465">
+          <caret line="31" column="57" selection-start-line="31" selection-start-column="57" selection-end-line="31" selection-end-column="57" />
           <folding>
             <element signature="e#120#138#0" expanded="true" />
           </folding>
         </state>
       </provider>
     </entry>
+    <entry file="file://$PROJECT_DIR$/docs/source/rsa.rst">
+      <provider selected="true" editor-type-id="restructured-text-editor" />
+    </entry>
+    <entry file="file://$PROJECT_DIR$/docs/source/index.rst">
+      <provider selected="true" editor-type-id="restructured-text-editor" />
+    </entry>
+    <entry file="file://$PROJECT_DIR$/docs/source/conf.py">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="15">
+          <caret line="1" column="1" lean-forward="true" selection-start-line="1" selection-start-column="1" selection-end-line="1" selection-end-column="1" />
+          <folding>
+            <element signature="e#232#241#0" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
     <entry file="file://$PROJECT_DIR$/setup.py">
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="60">
diff --git a/docs/NeuroRA_Revision.pdf b/docs/NeuroRA_Revision_Run.pdf
similarity index 79%
rename from docs/NeuroRA_Revision.pdf
rename to docs/NeuroRA_Revision_Run.pdf
index a912c6c..3b03bb0 100644
Binary files a/docs/NeuroRA_Revision.pdf and b/docs/NeuroRA_Revision_Run.pdf differ
diff --git a/docs/source/conf.py b/docs/source/conf.py
index 406701d..6aadf9b 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -25,7 +25,7 @@
 author = 'Zitong Lu'
 
 # The full version, including alpha/beta/rc tags
-release = '1.1.4.0'
+release = '1.1.4.4'
 
 
 # -- General configuration ---------------------------------------------------
diff --git a/neurora/Tutorial.pdf b/neurora/Tutorial.pdf
index b794556..bbe149a 100644
Binary files a/neurora/Tutorial.pdf and b/neurora/Tutorial.pdf differ
diff --git a/neurora/nps_cal.py b/neurora/nps_cal.py
index bb54cdf..eb63a75 100644
--- a/neurora/nps_cal.py
+++ b/neurora/nps_cal.py
@@ -54,44 +54,31 @@ def nps(data, time_win=5, time_step=5, sub_opt=0):
     # the time-points for calculating NPS
     ts = int((nts - time_win) / time_step) + 1
 
-    # sub_opt=1
-    if sub_opt == 1:
-
-        # initialize the NPS
-        nps = np.zeros([nsubs, nchls, ts, 2])
+    # initialize the NPS
+    nps = np.zeros([nsubs, nchls, ts, 2])
 
-        # [2, n_subs, n_trials, n_chls, n_ts]
-        # calculate the NPS
-        for sub in range(nsubs):
-            for i in range(nchls):
-                for j in range(ts):
+    # [2, n_subs, n_trials, n_chls, n_ts]
+    # calculate the NPS
+    for sub in range(nsubs):
+        for i in range(nchls):
+            for j in range(ts):
+                data1 = data[0, sub, :, i, j * time_step:j * time_step + time_win]
+                data2 = data[1, sub, :, i, j * time_step:j * time_step + time_win]
+                data1 = np.reshape(data1, [ntrials * time_win])
+                data2 = np.reshape(data2, [ntrials * time_win])
+                # calculate the Pearson Coefficient
+                nps[sub, i, j] = pearsonr(data1, data2)
 
-                    data1 = data[0, sub, :, i, j*time_step:j*time_step+time_win]
-                    data2 = data[1, sub, :, i, j*time_step:j*time_step+time_win]
-                    data1 = np.reshape(data1, [ntrials*time_win])
-                    data2 = np.reshape(data2, [ntrials*time_win])
-                    # calculate the Pearson Coefficient
-                    nps[sub, i, j] = pearsonr(data1, data2)
+    # sub_opt=1
+    if sub_opt == 1:
 
         return nps
 
-    # initialize the NPS
-    nps = np.zeros([nchls, ts, 2])
-
-    # average the data
-    avgdata = np.average(data, axis=(1, 2))
+    elif sub_opt == 0:
 
-    # shape of avgdata: [2, n_chls, n_ts]
-    # calculate the NPS
-    for i in range(nchls):
-        for j in range(ts):
-
-            data1 = avgdata[0, i, j*time_step:j*time_step+time_win]
-            data2 = avgdata[1, i, j*time_step:j*time_step+time_win]
-            # calculate the Pearson Coefficient
-            nps[i, j] = pearsonr(data1, data2)
+        nps = np.average(nps, axis=0)
 
-    return nps
+        return nps
 
 
 ' a function for calculating the neural pattern similarity for fMRI data (searchlight) '
diff --git a/neurora/rdm_cal.py b/neurora/rdm_cal.py
index ffd255f..96275cd 100755
--- a/neurora/rdm_cal.py
+++ b/neurora/rdm_cal.py
@@ -26,10 +26,10 @@ def bhvRDM(bhv_data, sub_opt=0, method="correlation", abs=False):
         The shape of bhv_data must be [n_cons, n_subs, n_trials].
         n_cons, n_subs & n_trials represent the number of conidtions, the number of subjects & the number of trials,
         respectively.
-    sub_opt : int 0 or 1. Default is 0.
-        Calculate the RDM for each subject or not.
-        If sub_opt=0, return only one RDM based on all data.
-        If sub_opt=1, return n_subs RDMs based on each subject's data.
+    sub_opt: int 0 or 1. Default is 1.
+        Return the subject-result or average-result.
+        If sub_opt=0, return the average result.
+        If sub_opt=1, return the results of each subject.
     method : string 'correlation' or 'euclidean' or 'mahalanobis'. Default is 'correlation'.
         The method to calculate the dissimilarities.
         If method='correlation', the dissimilarity is calculated by Pearson Correlation.
@@ -176,10 +176,10 @@ def eegRDM(EEG_data, sub_opt=0, chl_opt=0, time_opt=0, time_win=5, time_step=5,
         The shape of EEGdata must be [n_cons, n_subs, n_trials, n_chls, n_ts].
         n_cons, n_subs, n_trials, n_chls & n_ts represent the number of conidtions, the number of subjects, the number
         of trials, the number of channels & the number of time-points, respectively.
-    sub_opt : int 0 or 1. Default is 0.
-        Calculate the RDM for each subject or not.
-        If sub_opt=0, return only one RDM based on all data.
-        If sub_opt=1, return n_subs RDMs based on each subject's data
+    sub_opt: int 0 or 1. Default is 1.
+        Return the subject-result or average-result.
+        If sub_opt=0, return the average result.
+        If sub_opt=1, return the results of each subject.
     chl_opt : int 0 or 1. Default is 0.
         Calculate the RDM for each channel or not.
         If chl_opt=0, calculate the RDM based on all channels'data.
@@ -438,7 +438,7 @@ def eegRDM(EEG_data, sub_opt=0, chl_opt=0, time_opt=0, time_win=5, time_step=5,
 
 ' a function for calculating the RDMs based on fMRI data (searchlight) '
 
-def fmriRDM(fmri_data, ksize=[3, 3, 3], strides=[1, 1, 1], sub_result=0, method="correlation", abs=False):
+def fmriRDM(fmri_data, ksize=[3, 3, 3], strides=[1, 1, 1], sub_opt=1, method="correlation", abs=False):
 
     """
     Calculate the Representational Dissimilarity Matrices (RDMs) based on fMRI data (searchlight)
@@ -454,10 +454,10 @@ def fmriRDM(fmri_data, ksize=[3, 3, 3], strides=[1, 1, 1], sub_result=0, method=
         kx, ky, kz represent the number of voxels along the x, y, z axis.
     strides : array or list [sx, sy, sz]. Default is [1, 1, 1].
         The strides for calculating along the x, y, z axis.
-    sub_result: int 0 or 1. Default is 0.
+    sub_opt: int 0 or 1. Default is 1.
         Return the subject-result or average-result.
-        If sub_result=0, return the average result.
-        If sub_result=1, return the results of each subject.
+        If sub_opt=0, return the average result.
+        If sub_opt=1, return the results of each subject.
     method : string 'correlation' or 'euclidean' or 'mahalanobis'. Default is 'correlation'.
         The method to calculate the dissimilarities.
         If method='correlation', the dissimilarity is calculated by Pearson Correlation.
@@ -470,8 +470,8 @@ def fmriRDM(fmri_data, ksize=[3, 3, 3], strides=[1, 1, 1], sub_result=0, method=
     -------
     RDM : array
         The fMRI-Searchlight RDM.
-        If sub_result=0, the shape of RDMs is [n_x, n_y, n_z, n_cons, n_cons].
-        If sub_result=1, the shape of RDMs is [n_subs, n_x, n_y, n_cons, n_cons]
+        If sub_opt=0, the shape of RDMs is [n_x, n_y, n_z, n_cons, n_cons].
+        If sub_opt=1, the shape of RDMs is [n_subs, n_x, n_y, n_cons, n_cons]
         n_subs, n_x, n_y, n_z represent the number of subjects & the number of calculation units for searchlight along
         the x, y, z axis.
     """
@@ -558,15 +558,15 @@ def fmriRDM(fmri_data, ksize=[3, 3, 3], strides=[1, 1, 1], sub_result=0, method=
     # average the RDMs
     rdms = np.average(subrdms, axis=0)
 
-    if sub_result == 0:
+    if sub_opt == 0:
         return rdms
-    if sub_result == 1:
+    if sub_opt == 1:
         return subrdms
 
 
 ' a function for calculating the RDM based on fMRI data of a ROI '
 
-def fmriRDM_roi(fmri_data, mask_data, sub_result=0, method="correlation", abs=False):
+def fmriRDM_roi(fmri_data, mask_data, sub_opt=1, method="correlation", abs=False):
 
     """
     Calculate the Representational Dissimilarity Matrix - RDM(s) based on fMRI data (for ROI)
@@ -580,10 +580,10 @@ def fmriRDM_roi(fmri_data, mask_data, sub_result=0, method="correlation", abs=Fa
     mask_data : array [nx, ny, nz].
         The mask data for region of interest (ROI)
         The size of the fMRI-img. nx, ny, nz represent the number of voxels along the x, y, z axis.
-    sub_result: int 0 or 1. Default is 0.
+    sub_opt: int 0 or 1. Default is 1.
         Return the subject-result or average-result.
-        If sub_result=0, return the average result.
-        If sub_result=1, return the results of each subject.
+        If sub_opt=0, return the average result.
+        If sub_opt=1, return the results of each subject.
     method : string 'correlation' or 'euclidean' or 'mahalanobis'. Default is 'correlation'.
         The method to calculate the dissimilarities.
         If method='correlation', the dissimilarity is calculated by Pearson Correlation.
@@ -596,8 +596,8 @@ def fmriRDM_roi(fmri_data, mask_data, sub_result=0, method="correlation", abs=Fa
     -------
     RDM : array
         The fMRI-ROI RDM.
-        If sub_result=0, the shape of RDM is [n_cons, n_cons].
-        If sub_result=1, the shape of RDM is [n_subs, n_cons, n_cons].
+        If sub_opt=0, the shape of RDM is [n_cons, n_cons].
+        If sub_opt=1, the shape of RDM is [n_subs, n_cons, n_cons].
     """
 
     if len(np.shape(fmri_data)) != 5 or len(np.shape(mask_data)) != 3:
@@ -672,12 +672,7 @@ def fmriRDM_roi(fmri_data, mask_data, sub_result=0, method="correlation", abs=Fa
     # average the RDMs
     rdm = np.average(subrdms, axis=0)
 
-    if sub_result == 0:
+    if sub_opt == 0:
         return rdm
-    if sub_result == 1:
-        return subrdms
-
-data = np.random.rand(6, 5, 20, 8, 50)
-rdms = eegRDM(data, sub_opt=1, chl_opt=0, time_opt=0)
-print(rdms)
-print(rdms.shape)
\ No newline at end of file
+    if sub_opt == 1:
+        return subrdms
\ No newline at end of file
diff --git a/setup.py b/setup.py
index c01f94b..b036e96 100755
--- a/setup.py
+++ b/setup.py
@@ -2,7 +2,7 @@
 
 setup(
     name='neurora',
-    version='1.1.4.3',
+    version='1.1.4.4',
     description=(
         'A Python Toolbox for Multimode Neural Data Representation Analysis'
     ),