diff --git a/app/appearance/langs/en_US.json b/app/appearance/langs/en_US.json
index af6a9c1c3..f3f1a4bf6 100644
--- a/app/appearance/langs/en_US.json
+++ b/app/appearance/langs/en_US.json
@@ -1,4 +1,5 @@
 {
+  "keywordsLimit": "Keywords Limit",
   "exportAsImage": "Export as image",
   "exportBySiYuan": "Export by SiYuan",
   "featureBetaStage": "This feature support is currently in the free public beta stage, and there is no clear charging plan yet, please know",
@@ -864,7 +865,7 @@
     "35": "Rebuilding index, please wait...",
     "36": "There is too much content in the historical document, in order not to affect performance, it has been switched to plain text display",
     "37": "Do not include spaces and special symbols in the name of the cloud sync directory",
-    "38": "The number of mentioned keywords [%d] is too many, currently only supports up to [512] keywords",
+    "38": "Too many keywords mentioned [%d], adjust if necessary [Settings - Search - Backlink Mentions - Keyword Limit]",
     "39": "Deleting index %s",
     "40": "Inserting index %s",
     "41": "Upload completed",
diff --git a/app/appearance/langs/es_ES.json b/app/appearance/langs/es_ES.json
index a4d82cfb7..58a2d1060 100644
--- a/app/appearance/langs/es_ES.json
+++ b/app/appearance/langs/es_ES.json
@@ -1,4 +1,5 @@
 {
+  "keywordsLimit": "Límite de palabras clave",
   "exportAsImage": "Exportar como imagen",
   "exportBySiYuan": "Exportar por SiYuan",
   "featureBetaStage": "El soporte de esta función se encuentra actualmente en la etapa beta pública gratuita, y aún no hay un plan de carga claro, tenga en cuenta",
@@ -864,7 +865,7 @@
     "35": "Reconstruyendo el índice, por favor espere...",
     "36": "Hay demasiado contenido en el documento historico, para no afectar el rendimiento, se ha cambiado a visualizacion de texto sin formato",
     "37": "No incluyas espacios ni símbolos especiales en el nombre del directorio de sincronización con la nube",
-    "38": "El número de palabras clave mencionadas [%d] son demasiados, actualmente solo admite hasta [512] palabras clave",
+    "38": "Demasiadas palabras clave mencionadas [%d], ajústelas si es necesario [Configuración - Búsqueda - Menciones de backlinks - Límite de palabras clave]",
     "39": "Eliminando índice %s",
     "40": "Insertando índice %s",
     "41": "Carga completada",
diff --git a/app/appearance/langs/fr_FR.json b/app/appearance/langs/fr_FR.json
index 778429ea3..2ca003d39 100644
--- a/app/appearance/langs/fr_FR.json
+++ b/app/appearance/langs/fr_FR.json
@@ -1,4 +1,5 @@
 {
+  "keywordsLimit": "Limite de mots clés",
   "exportAsImage": "Exporter en tant qu'image",
   "exportBySiYuan": "Exporter par SiYuan",
   "featureBetaStage": "La prise en charge de cette fonctionnalité est actuellement en phase de bêta publique gratuite et il n'y a pas encore de plan de facturation clair, veuillez savoir",
@@ -864,7 +865,7 @@
     "35": "Recréation de l'index, veuillez patienter...",
     "36": "Il y a trop de contenu dans le document historique, afin de ne pas affecter les performances, il a été basculé sur l'affichage en texte brut",
     "37": "N'incluez pas d'espaces et de symboles spéciaux dans le nom du répertoire de synchronisation cloud",
-    "38": "Le nombre de mots-clés mentionnés [%d] est trop élevé, ne prend actuellement en charge que jusqu'à [512] mots-clés",
+    "38": "Trop de mots-clés mentionnés [%d], ajustez si nécessaire [Paramètres - Recherche - Mentions de backlink - Limite de mots-clés]",
     "39": "Suppression de l'index %s",
     "40": "Insertion de l'index %s",
     "41": "Transfert complété",
diff --git a/app/appearance/langs/zh_CHT.json b/app/appearance/langs/zh_CHT.json
index 9f7961088..28c67c6b5 100644
--- a/app/appearance/langs/zh_CHT.json
+++ b/app/appearance/langs/zh_CHT.json
@@ -1,4 +1,5 @@
 {
+  "keywordsLimit": "關鍵字數量限制",
   "exportAsImage": "導出為圖片",
   "exportBySiYuan": "由思源筆記導出",
   "featureBetaStage": "該特性支持目前處於免費公測階段，目前尚未有明確的收費計劃，請悉知",
@@ -864,7 +865,7 @@
     "35": "正在重建索引，請稍等...",
     "36": "歷史文檔內容太多，為了不影響性能，已經切換為純文本顯示",
     "37": "雲端同步目錄的名稱請勿包含空格和特殊符號",
-    "38": "提及關鍵字數量 [%d] 過多，目前最多僅支援搜索 [512] 個關鍵字",
+    "38": "提及關鍵字數量 [%d] 過多，如有需要可以調整 [設置 - 搜索 - 反鏈提及 - 關鍵字數量限制]",
     "39": "正在刪除索引 %s",
     "40": "正在插入索引 %s",
     "41": "上傳完畢",
diff --git a/app/appearance/langs/zh_CN.json b/app/appearance/langs/zh_CN.json
index 9f7e30bd1..cdf940fe2 100644
--- a/app/appearance/langs/zh_CN.json
+++ b/app/appearance/langs/zh_CN.json
@@ -1,4 +1,5 @@
 {
+  "keywordsLimit": "关键字数量限制",
   "exportAsImage": "导出为图片",
   "exportBySiYuan": "由思源笔记导出",
   "featureBetaStage": "该特性支持目前处于免费公测阶段，目前尚未有明确的收费计划，请悉知",
@@ -864,7 +865,7 @@
     "35": "正在重建索引，请稍等...",
     "36": "历史文档内容太多，为了不影响性能，已经切换为纯文本显示",
     "37": "云端同步目录的名称请勿包含空格和特殊符号",
-    "38": "提及关键字数量 [%d] 过多，目前最多仅支持搜索 [512] 个关键字",
+    "38": "提及关键字数量 [%d] 过多，如有需要可以调整 [设置 - 搜索 - 反链提及 - 关键字数量限制]",
     "39": "正在删除索引 %s",
     "40": "正在插入索引 %s",
     "41": "上传完毕",
diff --git a/app/src/config/query.ts b/app/src/config/query.ts
index 15ad23069..31a196a2c 100644
--- a/app/src/config/query.ts
+++ b/app/src/config/query.ts
@@ -149,6 +149,10 @@ export const query = {
             <span class="fn__space"></span>
             <input class="b3-switch fn__flex-center" id="backlinkMentionDoc" type="checkbox"${window.siyuan.config.search.backlinkMentionDoc ? " checked" : ""}/>
         </label>
+        
+        ${window.siyuan.languages.keywordsLimit}
+        <span class="fn__space"></span>
+        <input class="b3-text-field fn__flex-center fn__size200" id="backlinkMentionKeywordsLimit" type="number" min="1" max="10240" value="${window.siyuan.config.search.backlinkMentionKeywordsLimit}">
     </div>
 </div>
 <div class="b3-label">
@@ -182,7 +186,10 @@ export const query = {
             <span class="fn__space"></span>
             <input class="b3-switch fn__flex-center" id="virtualRefDoc" type="checkbox"${window.siyuan.config.search.virtualRefDoc ? " checked" : ""}/>
         </label>
-    </div>
+        
+        ${window.siyuan.languages.keywordsLimit}
+        <span class="fn__space"></span>
+        <input class="b3-text-field fn__flex-center fn__size200" id="virtualRefKeywordsLimit" type="number" min="1" max="10240" value="${window.siyuan.config.search.virtualRefKeywordsLimit}">
 </div>
 <label class="fn__flex b3-label">
     <div class="fn__flex-1">
@@ -226,10 +233,12 @@ export const query = {
                     backlinkMentionAlias: (query.element.querySelector("#backlinkMentionAlias") as HTMLInputElement).checked,
                     backlinkMentionAnchor: (query.element.querySelector("#backlinkMentionAnchor") as HTMLInputElement).checked,
                     backlinkMentionDoc: (query.element.querySelector("#backlinkMentionDoc") as HTMLInputElement).checked,
+                    backlinkMentionKeywordsLimit: parseInt((query.element.querySelector("#backlinkMentionKeywordsLimit") as HTMLInputElement).value),
                     virtualRefName: (query.element.querySelector("#virtualRefName") as HTMLInputElement).checked,
                     virtualRefAlias: (query.element.querySelector("#virtualRefAlias") as HTMLInputElement).checked,
                     virtualRefAnchor: (query.element.querySelector("#virtualRefAnchor") as HTMLInputElement).checked,
                     virtualRefDoc: (query.element.querySelector("#virtualRefDoc") as HTMLInputElement).checked,
+                    virtualRefKeywordsLimit: parseInt((query.element.querySelector("#virtualRefKeywordsLimit") as HTMLInputElement).value),
                 }, response => {
                     window.siyuan.config.search = response.data;
                 });
diff --git a/app/src/config/repos.ts b/app/src/config/repos.ts
index 7ee5ac459..a6db061eb 100644
--- a/app/src/config/repos.ts
+++ b/app/src/config/repos.ts
@@ -77,6 +77,14 @@ const renderProvider = (provider: number) => {
         <option ${window.siyuan.config.sync.s3.pathStyle ? "" : "selected"} value="false">Virtual-hosted-style</option>
         <option ${window.siyuan.config.sync.s3.pathStyle ? "selected" : ""} value="true">Path-style</option>
     </select>
+</div>
+<div class="b3-label b3-label--noborder">
+    <div>TLS verify</div>
+    <div class="fn__hr"></div>
+    <select class="b3-select fn__block" id="s3SkipTlsVerify">
+        <option ${window.siyuan.config.sync.s3.skipTlsVerify ? "" : "selected"} value="false">Verify</option>
+        <option ${window.siyuan.config.sync.s3.skipTlsVerify ? "selected" : ""} value="true">Skip</option>
+    </select>
 </div>`;
         }
         return `${tip}
@@ -112,6 +120,14 @@ const renderProvider = (provider: number) => {
         <option ${window.siyuan.config.sync.s3.pathStyle ? "" : "selected"} value="false">Virtual-hosted-style</option>
         <option ${window.siyuan.config.sync.s3.pathStyle ? "selected" : ""} value="true">Path-style</option>
     </select>
+</label>
+<label class="b3-label b3-label--noborder fn__flex">
+    <div class="fn__flex-center fn__size200">TLS Verify</div>
+    <div class="fn__space"></div>
+    <select class="b3-select fn__flex-1" id="s3SkipTlsVerify">
+        <option ${window.siyuan.config.sync.s3.skipTlsVerify ? "" : "selected"} value="false">Verify</option>
+        <option ${window.siyuan.config.sync.s3.skipTlsVerify ? "selected" : ""} value="true">Skip</option>
+    </select>
 </label>`;
     } else if (provider === 3) {
         const tip = `<div class="b3-label b3-label--inner">
@@ -137,6 +153,14 @@ const renderProvider = (provider: number) => {
     <div>Password</div>
     <div class="fn__hr"></div>
     <input id="password" class="b3-text-field fn__block" value="${window.siyuan.config.sync.webdav.password}">
+</div>
+<div class="b3-label b3-label--noborder">
+    <div>TLS verify</div>
+    <div class="fn__hr"></div>
+    <select class="b3-select fn__block" id="webdavSkipTlsVerify">
+        <option ${window.siyuan.config.sync.webdav.skipTlsVerify ? "" : "selected"} value="false">Verify</option>
+        <option ${window.siyuan.config.sync.webdav.skipTlsVerify ? "selected" : ""} value="true">Skip</option>
+    </select>
 </div>`;
         }
         return `${tip}
@@ -154,6 +178,14 @@ const renderProvider = (provider: number) => {
     <div class="fn__flex-center fn__size200">Password</div>
     <div class="fn__space"></div>
     <input id="password" class="b3-text-field fn__flex-1" value="${window.siyuan.config.sync.webdav.password}">
+</label>
+<label class="b3-label b3-label--noborder fn__flex">
+    <div class="fn__flex-center fn__size200">TLS Verify</div>
+    <div class="fn__space"></div>
+    <select class="b3-select fn__flex-1" id="webdavSkipTlsVerify">
+        <option ${window.siyuan.config.sync.webdav.skipTlsVerify ? "" : "selected"} value="false">Verify</option>
+        <option ${window.siyuan.config.sync.webdav.skipTlsVerify ? "selected" : ""} value="true">Skip</option>
+    </select>
 </label>`;
     }
     return "";
@@ -222,6 +254,7 @@ const bindProviderEvent = () => {
                     bucket: (providerPanelElement.querySelector("#bucket") as HTMLInputElement).value,
                     pathStyle: (providerPanelElement.querySelector("#pathStyle") as HTMLInputElement).value === "true",
                     region: (providerPanelElement.querySelector("#region") as HTMLInputElement).value,
+                    skipTlsVerify: (providerPanelElement.querySelector("#s3SkipTlsVerify") as HTMLInputElement).value === "true",
                 };
                 fetchPost("/api/sync/setSyncProviderS3", {s3}, () => {
                     window.siyuan.config.sync.s3 = s3;
@@ -231,6 +264,7 @@ const bindProviderEvent = () => {
                     endpoint: (providerPanelElement.querySelector("#endpoint") as HTMLInputElement).value,
                     username: (providerPanelElement.querySelector("#username") as HTMLInputElement).value,
                     password: (providerPanelElement.querySelector("#password") as HTMLInputElement).value,
+                    skipTlsVerify: (providerPanelElement.querySelector("#webdavSkipTlsVerify") as HTMLInputElement).value === "true",
                 };
                 fetchPost("/api/sync/setSyncProviderWebDAV", {webdav}, () => {
                     window.siyuan.config.sync.webdav = webdav;
diff --git a/app/src/types/index.d.ts b/app/src/types/index.d.ts
index 4e96fd740..554faa45e 100644
--- a/app/src/types/index.d.ts
+++ b/app/src/types/index.d.ts
@@ -340,11 +340,13 @@ declare interface IConfig {
             secretKey: string
             bucket: string
             region: string
+            skipTlsVerify: boolean
         }
         webdav: {
             endpoint: string
             username: string
             password: string
+            skipTlsVerify: boolean
         }
     },
     lang: string
@@ -414,10 +416,12 @@ declare interface IConfig {
         backlinkMentionAlias: boolean
         backlinkMentionAnchor: boolean
         backlinkMentionDoc: boolean
+        backlinkMentionKeywordsLimit: boolean
         virtualRefName: boolean
         virtualRefAlias: boolean
         virtualRefAnchor: boolean
         virtualRefDoc: boolean
+        virtualRefKeywordsLimit: boolean
     },
     stat: {
         treeCount: number
diff --git a/kernel/conf/search.go b/kernel/conf/search.go
index c85d368fa..80275d1b7 100644
--- a/kernel/conf/search.go
+++ b/kernel/conf/search.go
@@ -45,15 +45,17 @@ type Search struct {
 	Memo   bool `json:"memo"`
 	Custom bool `json:"custom"`
 
-	BacklinkMentionName   bool `json:"backlinkMentionName"`
-	BacklinkMentionAlias  bool `json:"backlinkMentionAlias"`
-	BacklinkMentionAnchor bool `json:"backlinkMentionAnchor"`
-	BacklinkMentionDoc    bool `json:"backlinkMentionDoc"`
+	BacklinkMentionName          bool `json:"backlinkMentionName"`
+	BacklinkMentionAlias         bool `json:"backlinkMentionAlias"`
+	BacklinkMentionAnchor        bool `json:"backlinkMentionAnchor"`
+	BacklinkMentionDoc           bool `json:"backlinkMentionDoc"`
+	BacklinkMentionKeywordsLimit int  `json:"backlinkMentionKeywordsLimit"`
 
-	VirtualRefName   bool `json:"virtualRefName"`
-	VirtualRefAlias  bool `json:"virtualRefAlias"`
-	VirtualRefAnchor bool `json:"virtualRefAnchor"`
-	VirtualRefDoc    bool `json:"virtualRefDoc"`
+	VirtualRefName          bool `json:"virtualRefName"`
+	VirtualRefAlias         bool `json:"virtualRefAlias"`
+	VirtualRefAnchor        bool `json:"virtualRefAnchor"`
+	VirtualRefDoc           bool `json:"virtualRefDoc"`
+	VirtualRefKeywordsLimit int  `json:"virtualRefKeywordsLimit"`
 }
 
 func NewSearch() *Search {
@@ -78,15 +80,17 @@ func NewSearch() *Search {
 		Memo:   true,
 		Custom: false,
 
-		BacklinkMentionName:   true,
-		BacklinkMentionAlias:  false,
-		BacklinkMentionAnchor: true,
-		BacklinkMentionDoc:    true,
+		BacklinkMentionName:          true,
+		BacklinkMentionAlias:         false,
+		BacklinkMentionAnchor:        true,
+		BacklinkMentionDoc:           true,
+		BacklinkMentionKeywordsLimit: 512,
 
-		VirtualRefName:   true,
-		VirtualRefAlias:  false,
-		VirtualRefAnchor: true,
-		VirtualRefDoc:    true,
+		VirtualRefName:          true,
+		VirtualRefAlias:         false,
+		VirtualRefAnchor:        true,
+		VirtualRefDoc:           true,
+		VirtualRefKeywordsLimit: 512,
 	}
 }
 
diff --git a/kernel/conf/sync.go b/kernel/conf/sync.go
index 1c9b7edad..752c18f4c 100644
--- a/kernel/conf/sync.go
+++ b/kernel/conf/sync.go
@@ -39,18 +39,20 @@ func NewSync() *Sync {
 }
 
 type S3 struct {
-	Endpoint  string `json:"endpoint"`  // 服务端点
-	AccessKey string `json:"accessKey"` // Access Key
-	SecretKey string `json:"secretKey"` // Secret Key
-	Bucket    string `json:"bucket"`    // 存储空间
-	Region    string `json:"region"`    // 存储区域
-	PathStyle bool   `json:"pathStyle"` // 是否使用路径风格
+	Endpoint      string `json:"endpoint"`      // 服务端点
+	AccessKey     string `json:"accessKey"`     // Access Key
+	SecretKey     string `json:"secretKey"`     // Secret Key
+	Bucket        string `json:"bucket"`        // 存储空间
+	Region        string `json:"region"`        // 存储区域
+	PathStyle     bool   `json:"pathStyle"`     // 是否使用路径风格
+	SkipTlsVerify bool   `json:"skipTlsVerify"` // 是否跳过 TLS 验证
 }
 
 type WebDAV struct {
-	Endpoint string `json:"endpoint"` // 服务端点
-	Username string `json:"username"` // 用户名
-	Password string `json:"password"` // 密码
+	Endpoint      string `json:"endpoint"`      // 服务端点
+	Username      string `json:"username"`      // 用户名
+	Password      string `json:"password"`      // 密码
+	SkipTlsVerify bool   `json:"skipTlsVerify"` // 是否跳过 TLS 验证
 }
 
 const (
diff --git a/kernel/go.mod b/kernel/go.mod
index 8f8de19b3..a998cab6d 100644
--- a/kernel/go.mod
+++ b/kernel/go.mod
@@ -36,7 +36,7 @@ require (
 	github.com/panjf2000/ants/v2 v2.6.0
 	github.com/patrickmn/go-cache v2.1.0+incompatible
 	github.com/radovskyb/watcher v1.0.7
-	github.com/siyuan-note/dejavu v0.0.0-20221116031102-5d5af638b8e5
+	github.com/siyuan-note/dejavu v0.0.0-20221116103627-5fbf73fe103e
 	github.com/siyuan-note/encryption v0.0.0-20220713091850-5ecd92177b75
 	github.com/siyuan-note/eventbus v0.0.0-20220916025349-3ac6e75522da
 	github.com/siyuan-note/filelock v0.0.0-20221007163134-7e64809023ef
diff --git a/kernel/go.sum b/kernel/go.sum
index 7fcc2e2e7..b9bdab187 100644
--- a/kernel/go.sum
+++ b/kernel/go.sum
@@ -359,8 +359,8 @@ github.com/shurcooL/reactions v0.0.0-20181006231557-f2e0b4ca5b82/go.mod h1:TCR1l
 github.com/shurcooL/sanitized_anchor_name v0.0.0-20170918181015-86672fcb3f95/go.mod h1:1NzhyTcUVG4SuEtjjoZeVRXNmyL/1OwPU0+IJeTBvfc=
 github.com/shurcooL/users v0.0.0-20180125191416-49c67e49c537/go.mod h1:QJTqeLYEDaXHZDBsXlPCDqdhQuJkuw4NOtaxYe3xii4=
 github.com/shurcooL/webdavfs v0.0.0-20170829043945-18c3829fa133/go.mod h1:hKmq5kWdCj2z2KEozexVbfEZIWiTjhE0+UjmZgPqehw=
-github.com/siyuan-note/dejavu v0.0.0-20221116031102-5d5af638b8e5 h1:m4+9OWYEKS832LJ9E1eAiUz0ATQAUo7gFs7E5S9JSho=
-github.com/siyuan-note/dejavu v0.0.0-20221116031102-5d5af638b8e5/go.mod h1:PiWhnZhdVqhY0FifDg6kXwn75V97Dg3U/nFeD76fBis=
+github.com/siyuan-note/dejavu v0.0.0-20221116103627-5fbf73fe103e h1:gwI3Zo+ce5GPZlau8kMcUipZwY1yJFjeG8ghwxB6YW4=
+github.com/siyuan-note/dejavu v0.0.0-20221116103627-5fbf73fe103e/go.mod h1:PiWhnZhdVqhY0FifDg6kXwn75V97Dg3U/nFeD76fBis=
 github.com/siyuan-note/encryption v0.0.0-20220713091850-5ecd92177b75 h1:Bi7/7f29LW+Fm0cHc0J1NO1cZqyJwljSWVmfOqVZgaE=
 github.com/siyuan-note/encryption v0.0.0-20220713091850-5ecd92177b75/go.mod h1:H8fyqqAbp9XreANjeSbc72zEdFfKTXYN34tc1TjZwtw=
 github.com/siyuan-note/eventbus v0.0.0-20220916025349-3ac6e75522da h1:/jNhl7LC+9BhkWvNxuJDdsNfA/2wvfuj9mqWx4CbV90=
diff --git a/kernel/model/backlink.go b/kernel/model/backlink.go
index 66da9cc01..28f14f780 100644
--- a/kernel/model/backlink.go
+++ b/kernel/model/backlink.go
@@ -737,7 +737,7 @@ func searchBackmention(mentionKeywords []string, keyword string, excludeBacklink
 	buf := bytes.Buffer{}
 	buf.WriteString("SELECT * FROM " + table + " WHERE " + table + " MATCH '{content}:(")
 	for i, mentionKeyword := range mentionKeywords {
-		if 511 < i { // 提及搜索最大限制 https://github.com/siyuan-note/siyuan/issues/3715
+		if Conf.Search.BacklinkMentionKeywordsLimit < i {
 			util.PushMsg(fmt.Sprintf(Conf.Language(38), len(mentionKeywords)), 5000)
 			mentionKeyword = strings.ReplaceAll(mentionKeyword, "\"", "\"\"")
 			buf.WriteString("\"" + mentionKeyword + "\"")
diff --git a/kernel/model/conf.go b/kernel/model/conf.go
index 52c5b9af1..f13377644 100644
--- a/kernel/model/conf.go
+++ b/kernel/model/conf.go
@@ -278,6 +278,12 @@ func InitConf() {
 	if 1 > Conf.Search.Limit {
 		Conf.Search.Limit = 64
 	}
+	if 1 > Conf.Search.BacklinkMentionKeywordsLimit {
+		Conf.Search.BacklinkMentionKeywordsLimit = 512
+	}
+	if 1 > Conf.Search.VirtualRefKeywordsLimit {
+		Conf.Search.VirtualRefKeywordsLimit = 512
+	}
 
 	if nil == Conf.Stat {
 		Conf.Stat = conf.NewStat()
diff --git a/kernel/model/repository.go b/kernel/model/repository.go
index 385ec5cb2..9ff57f12f 100644
--- a/kernel/model/repository.go
+++ b/kernel/model/repository.go
@@ -824,16 +824,17 @@ func newRepository() (ret *dejavu.Repo, err error) {
 	case conf.ProviderSiYuan:
 		cloudRepo = cloud.NewSiYuan(&cloud.BaseCloud{Conf: cloudConf})
 	case conf.ProviderS3:
-		cloudRepo = cloud.NewS3(&cloud.BaseCloud{Conf: cloudConf})
+		s3HTTPClient := &http.Client{Transport: &http.Transport{TLSClientConfig: &tls.Config{InsecureSkipVerify: cloudConf.S3.SkipTlsVerify}}}
+		s3HTTPClient.Timeout = 30 * time.Second
+		cloudRepo = cloud.NewS3(&cloud.BaseCloud{Conf: cloudConf}, s3HTTPClient)
 	case conf.ProviderWebDAV:
-		webdavClient := gowebdav.NewClient(cloudConf.Endpoint, cloudConf.Username, cloudConf.Password)
-		a := cloudConf.Username + ":" + cloudConf.Password
+		webdavClient := gowebdav.NewClient(cloudConf.WebDAV.Endpoint, cloudConf.WebDAV.Username, cloudConf.WebDAV.Password)
+		a := cloudConf.WebDAV.Username + ":" + cloudConf.WebDAV.Password
 		auth := "Basic " + base64.StdEncoding.EncodeToString([]byte(a))
 		webdavClient.SetHeader("Authorization", auth)
 		webdavClient.SetHeader("User-Agent", util.UserAgent)
 		webdavClient.SetTimeout(30 * time.Second)
-		// WebDAV 数据同步跳过 HTTPS 证书校验 https://github.com/siyuan-note/siyuan/issues/6556
-		webdavClient.SetTransport(&http.Transport{TLSClientConfig: &tls.Config{InsecureSkipVerify: true}})
+		webdavClient.SetTransport(&http.Transport{TLSClientConfig: &tls.Config{InsecureSkipVerify: cloudConf.WebDAV.SkipTlsVerify}})
 		cloudRepo = cloud.NewWebDAV(&cloud.BaseCloud{Conf: cloudConf}, webdavClient)
 	default:
 		err = fmt.Errorf("unknown cloud provider [%d]", Conf.Sync.Provider)
@@ -1048,16 +1049,22 @@ func buildCloudConf() (ret *cloud.Conf, err error) {
 	case conf.ProviderSiYuan:
 		ret.Endpoint = "https://siyuan-data.b3logfile.com/"
 	case conf.ProviderS3:
-		ret.Endpoint = Conf.Sync.S3.Endpoint
-		ret.AccessKey = Conf.Sync.S3.AccessKey
-		ret.SecretKey = Conf.Sync.S3.SecretKey
-		ret.Bucket = Conf.Sync.S3.Bucket
-		ret.Region = Conf.Sync.S3.Region
-		ret.PathStyle = Conf.Sync.S3.PathStyle
+		ret.S3 = &cloud.ConfS3{
+			Endpoint:      Conf.Sync.S3.Endpoint,
+			AccessKey:     Conf.Sync.S3.AccessKey,
+			SecretKey:     Conf.Sync.S3.SecretKey,
+			Bucket:        Conf.Sync.S3.Bucket,
+			Region:        Conf.Sync.S3.Region,
+			PathStyle:     Conf.Sync.S3.PathStyle,
+			SkipTlsVerify: Conf.Sync.S3.SkipTlsVerify,
+		}
 	case conf.ProviderWebDAV:
-		ret.Endpoint = Conf.Sync.WebDAV.Endpoint
-		ret.Username = Conf.Sync.WebDAV.Username
-		ret.Password = Conf.Sync.WebDAV.Password
+		ret.WebDAV = &cloud.ConfWebDAV{
+			Endpoint:      Conf.Sync.WebDAV.Endpoint,
+			Username:      Conf.Sync.WebDAV.Username,
+			Password:      Conf.Sync.WebDAV.Password,
+			SkipTlsVerify: Conf.Sync.WebDAV.SkipTlsVerify,
+		}
 	default:
 		err = fmt.Errorf("invalid provider [%d]", Conf.Sync.Provider)
 		return
diff --git a/kernel/model/virutalref.go b/kernel/model/virutalref.go
index 0e7614955..cc5950e01 100644
--- a/kernel/model/virutalref.go
+++ b/kernel/model/virutalref.go
@@ -109,9 +109,9 @@ func getVirtualRefKeywords(docName string) (ret []string) {
 	// 虚拟引用排除当前文档名 https://github.com/siyuan-note/siyuan/issues/4537
 	ret = gulu.Str.ExcludeElem(ret, []string{docName})
 	ret = prepareMarkKeywords(ret)
-	// 虚拟引用搜索关键字最多支持 `搜索结果显示数` 的 8 倍 https://github.com/siyuan-note/siyuan/issues/6603
-	if Conf.Search.Limit*8 < len(ret) {
-		ret = ret[:Conf.Search.Limit*8]
+
+	if Conf.Search.VirtualRefKeywordsLimit < len(ret) {
+		ret = ret[:Conf.Search.VirtualRefKeywordsLimit]
 	}
 	return
 }