diff --git a/safesite/export.py b/safesite/export.py
index d562c156..0a109152 100644
--- a/safesite/export.py
+++ b/safesite/export.py
@@ -619,7 +619,7 @@ def exportxlsx(a,objs,pic=1):
             sheet.write(x,8,i['otherunsafe'])
             sheet.write(x,9,i['safecontent'])
             sheet.write(x,10,i['submittime'].strftime("%Y-%m-%d %H:%M:%S"))
-            i['lookimg']=i['lookimg'].split('?')
+            i['lookimg']=i['lookimg'].split('?') if i['lookimg'] else []
             n =  i['lookimg']
             for m in n:
                 if m:
diff --git a/safesite/templates/index.html b/safesite/templates/index.html
index 30d35ed2..a6d2c4ca 100644
--- a/safesite/templates/index.html
+++ b/safesite/templates/index.html
@@ -5,7 +5,7 @@
     <meta charset="UTF-8">
     <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
     <title>ctc安全生产管理系统</title>
-    <link rel="icon" href="/media/favicon.ico" type="image/x-icon" />
+    <link rel="icon" href="/static/safesite/favicon.ico" type="image/x-icon" />
     <link rel="stylesheet" type="text/css" href="/static/safesite/mystatic/css/loading.css">
     <link rel="stylesheet" type="text/css" href="/static/safesite/easyui/themes/default/easyui.css">
     <link rel="stylesheet" type="text/css" href="/static/safesite/easyui/themes/icon.css">
diff --git a/safesite/templates/login.html b/safesite/templates/login.html
index f8abd2a2..88e7df99 100644
--- a/safesite/templates/login.html
+++ b/safesite/templates/login.html
@@ -5,7 +5,7 @@
 <head>
     <meta charset="utf-8">
     <title>安全生产管理系统</title>
-    <link rel="icon" href="/media/favicon.ico" type="image/x-icon" />
+    <link rel="icon" href="/static/safesite/favicon.ico" type="image/x-icon" />
     <meta name="description" content="particles.js is a lightweight JavaScript library for creating particles.">
     <meta name="author" content="Vincent Garreau" />
     <meta name="viewport"
diff --git a/safesite/views.py b/safesite/views.py
index 88688b0e..eaa8dfb0 100644
--- a/safesite/views.py
+++ b/safesite/views.py
@@ -1021,8 +1021,18 @@ def addyh(req):
     fxsj = yhdata['fxsj']
     yhdd = yhdata['yhdd']
     yhms = yhdata['yhms']
-    yhtp = '?'.join(yhdata['yhtp']) if 'yhtp' in yhdata else []
-    zghtp = '?'.join(yhdata['zghtp']) if 'zghtp' in yhdata else []
+    yhtp_l = []
+    if 'yhtp' in yhdata:
+        for i in yhdata['yhtp']:
+            if i:
+                yhtp_l.append(i)
+    yhtp = '?'.join(yhtp_l)
+    zghtp_l = []
+    if 'zghtp' in yhdata:
+        for i in yhdata['zghtp']:
+            if i:
+                zghtp_l.append(i)
+    zghtp = '?'.join(zghtp_l)
     yhdj = yhdata['yhdj']
     yhpg = yhdata['yhpg'] if 'yhpg' in yhdata else ''
     jclx = yhdata['jclx']
@@ -1703,7 +1713,7 @@ def accessyh(req):
         postdict['touser'] = a.todouser.openid
         send_wechatmsg.delay(postdict)
         return JsonResponse({"code": 1})
-    logger.info(a.troubleid + '-' + str(yhdata))
+    logger.info(str(a.troubleid) + '-' + str(yhdata))
 def parttree2(req):
     userid = req.session['userid']
     companyid = getcompany(userid)
@@ -6988,7 +6998,8 @@ def apiexamtestdetail(req):
             answersdict['paperdetail' + str(i['id'])] = i['question__right']
         for i in testdetail:  # 判卷
             iscore = 0
-            i['question__right'] = answersdict['paperdetail'+str(i['id'])]
+            # 默认一个不存在的正确答案
+            i['question__right'] = answersdict['paperdetail'+str(i['id'])] if 'paperdetail'+str(i['id']) in answersdict else ['G']
             if i['question__type'] == 2:
                 if 'userchecked' in i:
                     if i['userchecked']:
