diff --git a/fir_client/src/assets/inhouse/b1.png b/fir_client/src/assets/inhouse/b1.png
new file mode 100644
index 0000000..4c1d153
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diff --git a/fir_client/src/assets/inhouse/b2.png b/fir_client/src/assets/inhouse/b2.png
new file mode 100644
index 0000000..85c9186
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diff --git a/fir_client/src/assets/inhouse/b3.png b/fir_client/src/assets/inhouse/b3.png
new file mode 100644
index 0000000..f6f678a
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diff --git a/fir_client/src/assets/inhouse/b4.png b/fir_client/src/assets/inhouse/b4.png
new file mode 100644
index 0000000..47d1fa9
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diff --git a/fir_client/src/assets/inhouse/b5.png b/fir_client/src/assets/inhouse/b5.png
new file mode 100644
index 0000000..6652765
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diff --git a/fir_client/src/assets/inhouse/b6.png b/fir_client/src/assets/inhouse/b6.png
new file mode 100644
index 0000000..bbbda7e
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diff --git a/fir_client/src/components/FirDownload.vue b/fir_client/src/components/FirDownload.vue
index 9c5a885..79285d8 100644
--- a/fir_client/src/components/FirDownload.vue
+++ b/fir_client/src/components/FirDownload.vue
@@ -107,7 +107,7 @@
                                                     下载安装
                                                 </el-link>
                                             </button>
-                                            <a v-if="currentappinfo.issupersign && !$route.query.udid"
+                                            <a v-if="(currentappinfo.issupersign || mcurrentappinfo.release_type === 2) && !$route.query.udid"
                                                @click="jiaocheng('open')"
                                                class="jiaocheng" style="color: white;font-size: 20px;">?</a>
                                         </div>
@@ -261,6 +261,20 @@
                     {msg: '第三步 输入开机解锁密码', url: require('../assets/sign/step3.jpg')},
                     {msg: '第四步 点击下方安装按钮', url: require('../assets/sign/step4.jpg')},
                 ],
+                inhousehelplist: [
+                    {
+                        msg: '因苹果公司的政策原因，在 iOS 系统中首次安装企业版应用时会出现"未受信任的企业级开发者" 提示，解决方法如下（以iOS12系统为例）',
+                        url: require('../assets/inhouse/b1.png')
+                    },
+                    {msg: '第一步 在手机中打开设置功能，选择"通用"', url: require('../assets/inhouse/b2.png')},
+                    {msg: '第二步 在通用中，选择"描述文件与设备管理"功能', url: require('../assets/inhouse/b3.png')},
+                    {
+                        msg: '第三步 在描述文件与设备管理中的企业级应用分类中，选择要安装的企业应用的文件名称（与打开时的提示一致），点击进入',
+                        url: require('../assets/inhouse/b4.png')
+                    },
+                    {msg: '第四步 进入企业签名页面后，确认企业签名中的公司名称与应用名称后，点击信任"企业签名公司名称"', url: require('../assets/inhouse/b5.png')},
+                    {msg: '第五步 回到桌面，重新打开应用即可使用"', url: require('../assets/inhouse/b6.png')},
+                ],
                 imagelist: [],
                 currentappinfo: {},
                 iscomboappinfo: {},
@@ -292,7 +306,7 @@
                 if (act === 'open') {
                     signhelp.style.display = "block";
                     bg.style.display = "block";
-                    window.scroll(0, 1)
+                    window.scroll(1, 1)
                 } else {
                     signhelp.style.display = "none";
                     bg.style.display = "none";
@@ -529,6 +543,9 @@
                                 this.imagelist.push(this.currentappinfo.screenshots[i].url)
                             }
                         }
+                        if (this.mcurrentappinfo.release_type === 2 && !this.currentappinfo.issupersign) {
+                            this.signhelplist = this.inhousehelplist;
+                        }
                     } else {
                         if (data.msg) {
                             document.title = data.msg;
@@ -1789,7 +1806,7 @@
         position: absolute;
         width: 90%;
         max-width: 300px;
-        max-height: 366px;
+        max-height: 400px;
         z-index: 9999;
         display: none;
         background-color: white;
@@ -1809,7 +1826,8 @@
         text-align: center;
         font-size: 14px;
         color: #0491f7;
-        margin: 10px 0;
+        margin: 10px 10px;
+        white-space: pre-line;
     }
 
 
diff --git a/fir_client/src/components/ShortDownload.vue b/fir_client/src/components/ShortDownload.vue
index 99524a1..bbe0318 100644
--- a/fir_client/src/components/ShortDownload.vue
+++ b/fir_client/src/components/ShortDownload.vue
@@ -122,7 +122,7 @@
                                             <button @click="download">
                                                 <a icon="el-icon-loadings" type="primary" :underline="false"> 下载安装 </a>
                                             </button>
-                                            <a v-if="currentappinfo.issupersign && !$route.query.udid"
+                                            <a v-if="(currentappinfo.issupersign || mcurrentappinfo.release_type === 2) && !$route.query.udid"
                                                @click="jiaocheng('open')"
                                                class="jiaocheng" style="color: white;font-size: 20px;">?</a>
                                         </div>
@@ -258,6 +258,20 @@
                     {msg: '第三步 输入开机解锁密码', url: require('../assets/sign/step3.jpg')},
                     {msg: '第四步 点击下方安装按钮', url: require('../assets/sign/step4.jpg')},
                 ],
+                inhousehelplist: [
+                    {
+                        msg: '因苹果公司的政策原因，在 iOS 系统中首次安装企业版应用时会出现"未受信任的企业级开发者" 提示，解决方法如下（以iOS12系统为例）',
+                        url: require('../assets/inhouse/b1.png')
+                    },
+                    {msg: '第一步 在手机中打开设置功能，选择"通用"', url: require('../assets/inhouse/b2.png')},
+                    {msg: '第二步 在通用中，选择"描述文件与设备管理"功能', url: require('../assets/inhouse/b3.png')},
+                    {
+                        msg: '第三步 在描述文件与设备管理中的企业级应用分类中，选择要安装的企业应用的文件名称（与打开时的提示一致），点击进入',
+                        url: require('../assets/inhouse/b4.png')
+                    },
+                    {msg: '第四步 进入企业签名页面后，确认企业签名中的公司名称与应用名称后，点击信任"企业签名公司名称"', url: require('../assets/inhouse/b5.png')},
+                    {msg: '第五步 回到桌面，重新打开应用即可使用"', url: require('../assets/inhouse/b6.png')},
+                ],
                 imagelist: [],
                 currentappinfo: {},
                 iscomboappinfo: {},
@@ -515,6 +529,9 @@
                                 this.imagelist.push(this.currentappinfo.screenshots[i].url)
                             }
                         }
+                        if (this.mcurrentappinfo.release_type === 2 && !this.currentappinfo.issupersign) {
+                            this.signhelplist = this.inhousehelplist;
+                        }
                     } else {
                         this.iserror = true;
                         if (data.msg) {