diff --git a/apps/desktop/src/components/connection/ConnectionDialog.vue b/apps/desktop/src/components/connection/ConnectionDialog.vue
index 4b4b7efc8e..e0cbc5ea06 100644
--- a/apps/desktop/src/components/connection/ConnectionDialog.vue
+++ b/apps/desktop/src/components/connection/ConnectionDialog.vue
@@ -44,7 +44,7 @@ import { prestoSqlBuiltinDriverPaths } from "@/lib/database/prestoSqlBuiltinDriv
 import { JDBCX_DEFAULT_URL, JDBCX_DRIVER_PROFILE, JDBCX_JDBC_DRIVER_CLASS, ensureJdbcxRuntimeDrivers, isJdbcxRuntimeBundle, isJdbcxRuntimePath, jdbcxHighPrivilegeExtensionsEnabled, setJdbcxHighPrivilegeExtensionsEnabled } from "@/lib/database/jdbcxBuiltinDriver";
 import { SQLITE_DATABASE_FILE_EXTENSIONS } from "@/lib/database/databaseFileDetection";
 import { connectionAttemptOriginalErrorMessage, connectionAttemptTimeoutMessage, connectionAttemptTimeoutMs } from "@/lib/connection/connectionAttemptTimeout";
-import { appendConnectionErrorHints } from "@/lib/connection/connectionErrorHints";
+import { appendConnectionErrorHints, isJdbcMissingRuntimeDependencyError } from "@/lib/connection/connectionErrorHints";
 import { postgresTlsModeForForm } from "@/lib/connection/postgresTlsMode";
 import { normalizeKafkaBootstrapServers } from "@/lib/connection/kafkaBootstrapServers";
 import { detectMqUiAuthKind, isMqAuthKindAllowedForSystem, type MqUiAuthKind } from "@/lib/connection/mqAuth";
@@ -438,6 +438,7 @@ function sshLayersForConfig(config: LegacyConnectionConfig): SshTunnelConfig[] {
 }
 
 const form = ref(defaultForm());
+const showJdbcDependencyDriverManagerAction = computed(() => form.value.db_type === "jdbc" && isJdbcMissingRuntimeDependencyError(connectionErrorDetail.value));
 
 function externalConfigRecord(value: unknown): Record<string, unknown> {
   return value && typeof value === "object" && !Array.isArray(value) ? { ...(value as Record<string, unknown>) } : {};
@@ -3390,6 +3391,11 @@ async function copyConnectionErrorDetail() {
   }
 }
 
+function openJdbcDriverManagerFromError() {
+  showConnectionErrorDialog.value = false;
+  emit("openDriverStore", { target: "tab", tab: "jdbc" });
+}
+
 function resetForm() {
   editingId.value = null;
   form.value = defaultForm();
@@ -6107,6 +6113,10 @@ function openExternalUrl(url: string) {
       </div>
 
       <DialogFooter class="gap-2">
+        <Button v-if="showJdbcDependencyDriverManagerAction" variant="outline" @click="openJdbcDriverManagerFromError">
+          <FolderOpen class="mr-1.5 h-3.5 w-3.5" />
+          {{ t("toolbar.driverManager") }}
+        </Button>
         <Button variant="outline" @click="copyConnectionErrorDetail">
           <Copy class="mr-1.5 h-3.5 w-3.5" />
           复制错误
diff --git a/apps/desktop/src/i18n/locales/en.ts b/apps/desktop/src/i18n/locales/en.ts
index 584d13386a..d931be5242 100644
--- a/apps/desktop/src/i18n/locales/en.ts
+++ b/apps/desktop/src/i18n/locales/en.ts
@@ -522,7 +522,8 @@ export default {
     jdbcDriverPathsPlaceholder: "/path/to/driver.jar\n/path/to/another-driver.jar",
     jdbcDriverBrowse: "Choose JDBC driver JAR",
     jdbcDocs: "View JDBC docs",
-    jdbcPluginHint: "Install the DBX JDBC plugin first, then import the database vendor's JDBC driver JAR.",
+    jdbcPluginHint: "Install the DBX JDBC plugin first. For drivers with external dependencies, install from Maven in Driver Manager or import the driver and all dependency JARs together.",
+    jdbcMissingRuntimeDependencyHint: "This JDBC driver is missing runtime dependencies. Install it from Maven in Driver Manager, or import the driver and all dependency JARs together.",
     jdbcxExtensions: "JDBCX extensions",
     jdbcxHighPrivilegeExtensions: "Allow high-privilege extensions",
     jdbcxHighPrivilegeExtensionsWarning: "Disabled by default. Enabling allows Shell, Script, Web, MCP, and other extensions to execute local commands or access the network.",
diff --git a/apps/desktop/src/i18n/locales/es.ts b/apps/desktop/src/i18n/locales/es.ts
index a5be2cfc01..06eca36a6c 100644
--- a/apps/desktop/src/i18n/locales/es.ts
+++ b/apps/desktop/src/i18n/locales/es.ts
@@ -529,6 +529,7 @@ export default withEnglishFallback({
     elasticsearchKibanaProxyMode: "proxy de Kibana",
     elasticsearchKibanaHost: "host de Kibana",
     elasticsearchKibanaBasePath: "ruta base",
+    jdbcMissingRuntimeDependencyHint: "El controlador JDBC actual carece de dependencias de ejecución. Utilice las coordenadas Maven en 'Administración de controladores' para instalar, o importe el controlador y todos los JAR de dependencia de una vez.",
   },
   editor: {
     pressToExecute: "Presiona {mod}+Enter para ejecutar",
diff --git a/apps/desktop/src/i18n/locales/it.ts b/apps/desktop/src/i18n/locales/it.ts
index 1cba3e52bd..e34e1163d0 100644
--- a/apps/desktop/src/i18n/locales/it.ts
+++ b/apps/desktop/src/i18n/locales/it.ts
@@ -527,6 +527,7 @@ export default withEnglishFallback({
     elasticsearchKibanaProxyMode: "Proxy Kibana",
     elasticsearchKibanaHost: "Host Kibana",
     elasticsearchKibanaBasePath: "Percorso base",
+    jdbcMissingRuntimeDependencyHint: "Il driver JDBC corrente manca di dipendenze runtime. Installare utilizzando le coordinate Maven in 'Gestione driver', o importare il driver e tutti i JAR delle dipendenze in una volta.",
   },
   editor: {
     pressToExecute: "Premi {mod}+Enter per eseguire",
diff --git a/apps/desktop/src/i18n/locales/ja.ts b/apps/desktop/src/i18n/locales/ja.ts
index 59af8b8357..62ff22d6af 100644
--- a/apps/desktop/src/i18n/locales/ja.ts
+++ b/apps/desktop/src/i18n/locales/ja.ts
@@ -527,6 +527,7 @@ export default withEnglishFallback({
     elasticsearchKibanaProxyMode: "Kibana プロキシ",
     elasticsearchKibanaHost: "Kibana ホスト",
     elasticsearchKibanaBasePath: "ベースパス",
+    jdbcMissingRuntimeDependencyHint: "現在のJDBCドライバーには実行依存関係が不足しています。「ドライバ管理」でMaven座標を使用してインストールするか、ドライバーとすべての依存JARを一度にインポートしてください。",
   },
   editor: {
     pressToExecute: "{mod}+Enter で実行",
diff --git a/apps/desktop/src/i18n/locales/pt-BR.ts b/apps/desktop/src/i18n/locales/pt-BR.ts
index bf7998a061..cc99dff002 100644
--- a/apps/desktop/src/i18n/locales/pt-BR.ts
+++ b/apps/desktop/src/i18n/locales/pt-BR.ts
@@ -528,6 +528,7 @@ export default withEnglishFallback({
     elasticsearchKibanaProxyMode: "Proxy do Kibana",
     elasticsearchKibanaHost: "Host do Kibana",
     elasticsearchKibanaBasePath: "Caminho Base",
+    jdbcMissingRuntimeDependencyHint: "O driver JDBC atual está sem dependências de execução. Por favor, instale-o usando as coordenadas Maven no 'Gerenciamento de Drivers' ou importe o driver e todos os JARs de dependência de uma só vez.",
   },
   editor: {
     pressToExecute: "Pressione {mod}+Enter para executar",
diff --git a/apps/desktop/src/i18n/locales/zh-CN.ts b/apps/desktop/src/i18n/locales/zh-CN.ts
index 46ead7fbdf..663775d51c 100644
--- a/apps/desktop/src/i18n/locales/zh-CN.ts
+++ b/apps/desktop/src/i18n/locales/zh-CN.ts
@@ -526,7 +526,8 @@ export default withEnglishFallback({
     jdbcDriverPathsPlaceholder: "/path/to/driver.jar\n/path/to/another-driver.jar",
     jdbcDriverBrowse: "选择 JDBC 驱动 JAR",
     jdbcDocs: "查看 JDBC 文档",
-    jdbcPluginHint: "先安装 DBX JDBC 插件，再导入数据库厂商提供的 JDBC 驱动 JAR。",
+    jdbcPluginHint: "先安装 DBX JDBC 插件。有外部依赖的驱动请从驱动管理使用 Maven 安装，或同时导入驱动及全部依赖 JAR。",
+    jdbcMissingRuntimeDependencyHint: "当前 JDBC 驱动缺少运行依赖。请在「驱动管理」中使用 Maven 坐标安装，或一次导入驱动及全部依赖 JAR。",
     jdbcxExtensions: "JDBCX 扩展",
     jdbcxHighPrivilegeExtensions: "允许高权限扩展",
     jdbcxHighPrivilegeExtensionsWarning: "默认禁用。开启后，Shell、Script、Web、MCP 等扩展可以执行本机命令或访问网络。",
diff --git a/apps/desktop/src/i18n/locales/zh-TW.ts b/apps/desktop/src/i18n/locales/zh-TW.ts
index 68be723e9d..222635b54a 100644
--- a/apps/desktop/src/i18n/locales/zh-TW.ts
+++ b/apps/desktop/src/i18n/locales/zh-TW.ts
@@ -528,6 +528,7 @@ export default withEnglishFallback({
     elasticsearchKibanaProxyMode: "Kibana 代理",
     elasticsearchKibanaHost: "Kibana 主機",
     elasticsearchKibanaBasePath: "基礎路徑",
+    jdbcMissingRuntimeDependencyHint: "目前 JDBC 驅動缺少執行依賴。請在「驅動管理」中使用 Maven 座標安裝，或一次匯入驅動及全部依賴 JAR。",
   },
   editor: {
     pressToExecute: "按 {mod}+Enter 執行查詢",
diff --git a/apps/desktop/src/lib/connection/__tests__/connectionErrorHints.spec.ts b/apps/desktop/src/lib/connection/__tests__/connectionErrorHints.spec.ts
index 419ab7792a..db9d5a88d4 100644
--- a/apps/desktop/src/lib/connection/__tests__/connectionErrorHints.spec.ts
+++ b/apps/desktop/src/lib/connection/__tests__/connectionErrorHints.spec.ts
@@ -17,7 +17,25 @@ function mysqlConfig(urlParams: string | undefined): ConnectionConfig {
   };
 }
 
-const t = (key: string) => (key === "connection.mysqlTlsConnectionFailureHint" ? "Set TLS Mode to Disabled." : key);
+function jdbcConfig(): ConnectionConfig {
+  return {
+    id: "jdbc-test",
+    name: "TDengine JDBC",
+    db_type: "jdbc",
+    host: "127.0.0.1",
+    port: 6041,
+    username: "root",
+    password: "",
+    database: "dbx_tdengine_demo",
+    ssl: false,
+  };
+}
+
+const t = (key: string) => {
+  if (key === "connection.mysqlTlsConnectionFailureHint") return "Set TLS Mode to Disabled.";
+  if (key === "connection.jdbcMissingRuntimeDependencyHint") return "Install from Maven or import every dependency JAR.";
+  return key;
+};
 
 describe("appendConnectionErrorHints", () => {
   it("adds a MySQL TLS hint for non-disabled TLS failures", () => {
@@ -45,4 +63,18 @@ describe("appendConnectionErrorHints", () => {
 
     expect(message).toBe("Access denied for user root");
   });
+
+  it("adds an installation hint when a custom JDBC driver is missing a runtime dependency", () => {
+    const error = "Missing Java class com.alibaba.fastjson.JSONException. Install the required runtime dependency.";
+    const message = appendConnectionErrorHints(jdbcConfig(), error, t);
+
+    expect(message).toContain(error);
+    expect(message).toContain("Install from Maven or import every dependency JAR.");
+  });
+
+  it("does not add the JDBC dependency hint to non-JDBC connections", () => {
+    const error = "Missing Java class com.alibaba.fastjson.JSONException. Install the required runtime dependency.";
+
+    expect(appendConnectionErrorHints(mysqlConfig(undefined), error, t)).toBe(error);
+  });
 });
diff --git a/apps/desktop/src/lib/connection/connectionErrorHints.ts b/apps/desktop/src/lib/connection/connectionErrorHints.ts
index 0fa71b45a6..606366ad6f 100644
--- a/apps/desktop/src/lib/connection/connectionErrorHints.ts
+++ b/apps/desktop/src/lib/connection/connectionErrorHints.ts
@@ -37,10 +37,23 @@ function isMysqlTlsLikeFailure(message: string): boolean {
   );
 }
 
+export function isJdbcMissingRuntimeDependencyError(message: string): boolean {
+  return /Missing Java class|NoClassDefFoundError|ClassNotFoundException/i.test(message);
+}
+
+function appendHint(message: string, hint: string): string {
+  return message.includes(hint) ? message : `${message}\n\n${hint}`;
+}
+
 export function appendConnectionErrorHints(config: ConnectionConfig | undefined, message: string, t: Translate): string {
-  if (!config || config.db_type !== "mysql") return message;
+  if (!config) return message;
+  let result = message;
+  if (config.db_type === "jdbc" && isJdbcMissingRuntimeDependencyError(message)) {
+    result = appendHint(result, t("connection.jdbcMissingRuntimeDependencyHint"));
+  }
+  if (config.db_type !== "mysql") return result;
   if (mysqlTlsMode(config) === "disabled") return message;
   if (!isMysqlTlsLikeFailure(message)) return message;
   const hint = t("connection.mysqlTlsConnectionFailureHint");
-  return message.includes(hint) ? message : `${message}\n\n${hint}`;
+  return appendHint(message, hint);
 }