diff --git a/milvus_cli/scripts/milvus_cli.py b/milvus_cli/scripts/milvus_cli.py
index bb663d0..e310de1 100644
--- a/milvus_cli/scripts/milvus_cli.py
+++ b/milvus_cli/scripts/milvus_cli.py
@@ -157,7 +157,7 @@ def connection(obj, showAll):
     except Exception as e:
         click.echo("No connections.")
     else:
-        click.echo(obj.showConnection(showAll=showAll))
+        click.echo(obj.showConnection(False,showAll=showAll))
 
 
 @show.command("loading_progress")
@@ -926,7 +926,7 @@ def deletePartition(obj, collectionName, partition, timeout):
               "--collection-name",
               "collectionName",
               help="Collection name")
-@click.option("-in", "--index-name", "Index name", help="Index name")
+@click.option("-in", "--index-name", "indexName", help="Index name")
 @click.option(
     "-t",
     "--timeout",
@@ -943,7 +943,7 @@ def deleteIndex(obj, collectionName, indexName, timeout):
 
     Example:
 
-        milvus_cli > delete index -c car
+        milvus_cli > delete index -c car -in indexName
     """
     click.echo(
         "Warning!\nYou are trying to delete the index of collection. This action cannot be undone!\n"
@@ -957,8 +957,7 @@ def deleteIndex(obj, collectionName, indexName, timeout):
         click.echo(f"Error occurred when get collection by name!\n{str(e)}")
     else:
         result = obj.dropIndex(collectionName, indexName, timeout)
-        click.echo("Drop index successfully!") if not result else click.echo(
-            "Drop index failed!")
+        click.echo(result)
 
 
 @deleteObject.command("user")
diff --git a/milvus_cli/utils.py b/milvus_cli/utils.py
index 2410486..65c7daa 100644
--- a/milvus_cli/utils.py
+++ b/milvus_cli/utils.py
@@ -442,7 +442,6 @@ def search(self, collectionName, searchParameters, prettierFormat=True):
 
     def query(self, collectionName, queryParameters):
         collection = self.getTargetCollection(collectionName)
-        print(queryParameters)
         res = collection.query(**queryParameters)
         # return f"- Query results: {res}"
         if not len(res):
@@ -589,7 +588,6 @@ def listCollectionAlias(self, collectionName, timeout=None):
 
         collection = self.getTargetCollection(collectionName)
         result = utility.list_aliases(collection.name, timeout=timeout)
-        print("alias==>", result)
         return result
 
     def loadBalance(self,
diff --git a/setup.py b/setup.py
index 545b8e4..280646c 100644
--- a/setup.py
+++ b/setup.py
@@ -5,7 +5,7 @@
 
 setup(
     name="milvus_cli",
-    version="v0.3.1",
+    version="v0.3.2",
     author="Milvus Team",
     author_email="milvus-team@zilliz.com",
     url="https://github.com/zilliztech/milvus_cli",