diff --git a/public/favicon.ico b/public/favicon.ico
deleted file mode 100644
index df36fcf..0000000
Binary files a/public/favicon.ico and /dev/null differ
diff --git a/src/components/codemirror.vue b/src/components/codemirror.vue
index 8a4043d..bd29dc4 100644
--- a/src/components/codemirror.vue
+++ b/src/components/codemirror.vue
@@ -1,6 +1,6 @@
 <template>
   <div style="display:flex;">
-    <div style="position:relative;width: 100%;" class="button">
+    <div class="left">
       <codemirror
         v-model="exampleData"
         :value="codeid"
@@ -318,7 +318,8 @@ export default {
                   this.num = parseInt(this.after);
                 }
               })
-              .catch(err => {
+              .catch(res => {
+                res.status == 500 && this.$message.error('检测到代码里有非法代码，请检查是否有调用系统命令。')
                 this.loadIns.close()
               });
             clearTimeout(this.timer);
@@ -360,6 +361,10 @@ export default {
 </script>
 
 <style lang="scss" scoped>
+.left{
+  position: relative;
+  width: calc(100% - 400px);
+}
 .text-wrapper {
   white-space: pre-wrap;
 }
diff --git a/src/utils/http.js b/src/utils/http.js
index 369ba98..d39e704 100644
--- a/src/utils/http.js
+++ b/src/utils/http.js
@@ -185,9 +185,7 @@ export function post(url, params) {
                             );
                             break;
                         case 500:
-                            this.$message.error(
-                                res.data.errmessage
-                            );
+                            reject(res.data)
                             break;
                         case 404:
                             this.$message.error(