diff --git a/templates/base/head.tmpl b/templates/base/head.tmpl
index c3ee80530..859cacb62 100755
--- a/templates/base/head.tmpl
+++ b/templates/base/head.tmpl
@@ -249,7 +249,7 @@ var _hmt = _hmt || [];
 			document.getElementById("notic_content").style.display='none'
 		}
 	}
-	if( "{{.IsCourse}}" != true ||  "{{.IsCourse}}" =='') {
+	if(!("{{.IsCourse}}" == true ||  "{{.IsCourse}}" =='true'))  {
 		isShowNotice();
 	}
 </script>
diff --git a/templates/base/head_fluid.tmpl b/templates/base/head_fluid.tmpl
index 47ee80add..92f606aa2 100644
--- a/templates/base/head_fluid.tmpl
+++ b/templates/base/head_fluid.tmpl
@@ -248,7 +248,7 @@ var _hmt = _hmt || [];
 			document.getElementById("notic_content").style.display='none'
 		}
 	}
-	if( "{{.IsCourse}}" != true ||  "{{.IsCourse}}" =='') {
+	if(!("{{.IsCourse}}" == true ||  "{{.IsCourse}}" =='true'))  {
 		isShowNotice();
 	}
 </script>
\ No newline at end of file
diff --git a/templates/base/head_home.tmpl b/templates/base/head_home.tmpl
index f29240083..9792daf12 100644
--- a/templates/base/head_home.tmpl
+++ b/templates/base/head_home.tmpl
@@ -252,7 +252,7 @@ var _hmt = _hmt || [];
 			document.getElementById("notic_content").style.display='none'
 		}
 	}
-	if( "{{.IsCourse}}" != true ||  "{{.IsCourse}}" =='') {
+	if(!("{{.IsCourse}}" == true ||  "{{.IsCourse}}" =='true'))  {
 		isShowNotice();
 	}
 </script>
\ No newline at end of file
diff --git a/templates/base/head_pro.tmpl b/templates/base/head_pro.tmpl
index 7793c7436..e6dbfc03e 100644
--- a/templates/base/head_pro.tmpl
+++ b/templates/base/head_pro.tmpl
@@ -249,7 +249,7 @@ var _hmt = _hmt || [];
 			document.getElementById("notic_content").style.display='none'
 		}
 	}
-	if( "{{.IsCourse}}" != true ||  "{{.IsCourse}}" =='') {
+	if(!("{{.IsCourse}}" == true ||  "{{.IsCourse}}" =='true'))  {
 		isShowNotice();
 	}
 </script>
\ No newline at end of file
diff --git a/templates/org/header.tmpl b/templates/org/header.tmpl
index bef9cd8b1..2dc1c35d1 100644
--- a/templates/org/header.tmpl
+++ b/templates/org/header.tmpl
@@ -47,7 +47,8 @@
 				} else {
 					$('.alert').html(data.error_msg).removeClass('alert-success').addClass('alert-danger').show().delay(5000).fadeOut();
 				}
-				location.reload() 
+				setTimeout("location.reload()",2000);
+				// location.reload() 
 				// if(data.code==0){
 				// 	alert("Join  success")
 				// 	location.reload()  
@@ -57,6 +58,7 @@
 				// } 
 			},
 		});
+		
 	}
 
 </script>
diff --git a/templates/org/home_courses.tmpl b/templates/org/home_courses.tmpl
index 421ebf207..ef5d4b046 100644
--- a/templates/org/home_courses.tmpl
+++ b/templates/org/home_courses.tmpl
@@ -135,11 +135,11 @@
 						</div>
 					
 						<div class="ui sixteen wide mobile six wide tablet four wide computer column">
-							<!-- {{if .CanCreateOrgRepo}} -->
-								<div class=" ui bottom attached segment text center noborder  text center" > 
+							<div class=" ui bottom attached segment text center noborder  text center" > 
+								{{if .IsSigned}}
 									<a style="width: 80%;" class="ui green button bpadding" href="{{AppSubUrl}}/course/create"><i class="ri-folder-add-line" style="vertical-align: middle;"></i> &nbsp;{{.i18n.Tr "org.release_course"}} </a>
-								</div>
-							<!-- {{end}} -->
+								{{end}}
+							</div>
 						</div>
 					</div>
 				</div>
@@ -204,7 +204,9 @@
 								{{end}}
 	
 								<div class="ui bottom attached segment text center noborder"> 
-									<a class="ui blue basic button" onclick="jion_course_team()" style="width: 80%;"> <i class="ri-user-add-line"></i> {{.i18n.Tr "org.teams.join_teams"}}</a>
+									{{if .IsSigned}}
+										<a class="ui blue basic button" onclick="jion_course_team()" style="width: 80%;"> <i class="ri-user-add-line"></i> {{.i18n.Tr "org.teams.join_teams"}}</a>
+									{{end}}
 								</div>
 							</div>
 							{{if .IsOrganizationMember}}
@@ -424,6 +426,7 @@
 			document.getElementById("recommend").innerHTML=rec +" : "+ show_num
 	
 		}
+
 		function jion_course_team(){
 			$.ajax({
 				type:"GET",
@@ -437,15 +440,11 @@
 					} else {
 						$('.alert').html(data.error_msg).removeClass('alert-success').addClass('alert-danger').show().delay(5000).fadeOut();
 					}
-					location.reload() 
-					// if(data.code==0){
-					// 	alert("Join  success")
-					// 	location.reload()  
-	
-					// }else{
-					// 	alert("Join failure")
-					// } 
-				}
-			});
+					setTimeout("location.reload()",2000);
+				},
+
+			});	
+			
 		}
+		
 	</script>
\ No newline at end of file