diff --git a/docs/conf.py b/docs/conf.py
index 05394fd..73e6c47 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -65,9 +65,9 @@
 # built documents.
 #
 # The short X.Y version.
-version = "1.1.3"
+version = "1.1.4"
 # The full version, including alpha/beta/rc tags.
-release = "1.1.3"
+release = "1.1.4"
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
diff --git a/gseapy/__main__.py b/gseapy/__main__.py
index 3def5ca..3e2aac3 100644
--- a/gseapy/__main__.py
+++ b/gseapy/__main__.py
@@ -11,7 +11,7 @@
 # or args = argparser.parse_args() will throw bugs!!!
 
 
-__version__ = "1.1.3"
+__version__ = "1.1.4"
 
 
 def main():
diff --git a/gseapy/base.py b/gseapy/base.py
index 158dd33..43232f9 100644
--- a/gseapy/base.py
+++ b/gseapy/base.py
@@ -204,7 +204,7 @@ def _load_data(self, exprs: Union[str, pd.Series, pd.DataFrame]) -> pd.DataFrame
 
     def _check_data(self, exprs: pd.DataFrame) -> pd.DataFrame:
         """
-        check NAs, duplicates.
+        check NAs, duplicates, and select number columns
         exprs: dataframe, the frist column must be gene identifiers
 
         return: dataframe, index is gene ids
diff --git a/gseapy/plot.py b/gseapy/plot.py
index 1defe89..998f09b 100644
--- a/gseapy/plot.py
+++ b/gseapy/plot.py
@@ -911,9 +911,12 @@ def scatter(
         handles, labels = sc.legend_elements(
             prop="sizes",
             num=3,  #
-            fmt="{x:.2f}",
+            # fmt="{x:.2f}",
             color="gray",
-            func=lambda s: np.sqrt(s) / plt.rcParams["lines.markersize"] / self.scale,
+            func=lambda s: 100
+            * np.sqrt(s)
+            / plt.rcParams["lines.markersize"]
+            / self.scale,
         )
         ax.legend(
             handles,