diff --git a/apps/desktop/src/components/sidebar/TreeItem.vue b/apps/desktop/src/components/sidebar/TreeItem.vue
index 3c13e5116..bec99ccaf 100644
--- a/apps/desktop/src/components/sidebar/TreeItem.vue
+++ b/apps/desktop/src/components/sidebar/TreeItem.vue
@@ -54,6 +54,7 @@ import { clearActiveTableReferencePayload, createTableReferencePayload, createTa
 import { formatSidebarObjectStorage } from "@/lib/sidebar/sidebarDatabaseStorage";
 import { dataTabOpenModeFromTreeClick } from "@/lib/sidebar/dataTabOpenPolicy";
 import { effectiveDatabaseTypeForConnection } from "@/lib/database/jdbcDialect";
+import { connectionDisplayUrlScheme } from "@/lib/connection/connectionPresentation";
 import { hexToRgba } from "@/lib/common/color";
 import { sidebarDisplayTableName } from "@/lib/sidebar/sidebarTableNameDisplay";
 import { shouldMeasureSidebarLabelOverflow } from "@/lib/sidebar/sidebarLabelTooltip";
@@ -374,36 +375,6 @@ function redactedConnectionString(value: string): string {
   return value.replace(/(:\/\/[^/\s:@?#;]+):([^@\s/?#;]+)@/g, "$1:***@").replace(/([?&;](?:password|pwd|pass|token|secret|key)=)[^&;]*/gi, "$1***");
 }
 
-function connectionTooltipScheme(config: Pick<ConnectionConfig, "db_type" | "ssl">): string {
-  switch (config.db_type) {
-    case "postgres":
-    case "gaussdb":
-    case "kwdb":
-    case "yashandb":
-    case "redshift":
-    case "questdb":
-      return "postgresql";
-    case "sqlserver":
-      return "mssql";
-    case "elasticsearch":
-    case "easysearch":
-    case "qdrant":
-    case "milvus":
-    case "weaviate":
-    case "chromadb":
-    case "rqlite":
-    case "turso":
-    case "mq":
-      return config.ssl ? "https" : "http";
-    case "cloudflare-d1":
-      return "https";
-    case "dameng":
-      return "dm";
-    default:
-      return config.db_type;
-  }
-}
-
 function hostForDisplay(host: string): string {
   if (!host.includes(":") || host.startsWith("[") || host.includes("://")) return host;
   return `[${host}]`;
@@ -422,7 +393,7 @@ function connectionTooltipUrl(config: ConnectionConfig): string {
     return `${config.db_type}://${host}`;
   }
 
-  const scheme = connectionTooltipScheme(config);
+  const scheme = connectionDisplayUrlScheme(config);
   const port = Number(config.port) > 0 ? `:${config.port}` : "";
   const user = cleanTooltipValue(config.username);
   const userInfo = user ? `${encodeURIComponent(user)}@` : "";
diff --git a/apps/desktop/src/lib/connection/connectionPresentation.ts b/apps/desktop/src/lib/connection/connectionPresentation.ts
index 8590d60d3..f5a241109 100644
--- a/apps/desktop/src/lib/connection/connectionPresentation.ts
+++ b/apps/desktop/src/lib/connection/connectionPresentation.ts
@@ -1,4 +1,5 @@
 import type { ConnectionConfig, DatabaseType } from "@/types/database";
+import { GAUSSDB_M_JDBC_DRIVER_PROFILE } from "@/lib/database/jdbcDialect";
 
 type ConnectionPresentationConfig = Pick<ConnectionConfig, "db_type" | "driver_profile" | "driver_label" | "host" | "port" | "database">;
 type ConnectionNamePresentationConfig = ConnectionPresentationConfig & Pick<ConnectionConfig, "name">;
@@ -79,6 +80,37 @@ export function connectionRedactedNameLabel(connection?: ConnectionNamePresentat
   return hostNames.has(name) ? connectionRedactedEndpointLabel(connection) : name;
 }
 
+export function connectionDisplayUrlScheme(connection: Pick<ConnectionConfig, "db_type"> & Partial<Pick<ConnectionConfig, "driver_profile" | "ssl">>): string {
+  switch (connection.db_type) {
+    case "postgres":
+    case "kwdb":
+    case "yashandb":
+    case "redshift":
+    case "questdb":
+      return "postgresql";
+    case "gaussdb":
+      return connection.driver_profile?.toLowerCase() === GAUSSDB_M_JDBC_DRIVER_PROFILE ? "jdbc:gaussdb" : "postgresql";
+    case "sqlserver":
+      return "mssql";
+    case "elasticsearch":
+    case "easysearch":
+    case "qdrant":
+    case "milvus":
+    case "weaviate":
+    case "chromadb":
+    case "rqlite":
+    case "turso":
+    case "mq":
+      return connection.ssl ? "https" : "http";
+    case "cloudflare-d1":
+      return "https";
+    case "dameng":
+      return "dm";
+    default:
+      return connection.db_type;
+  }
+}
+
 export function connectionUrlPlaceholder(dbType: DatabaseType): string {
   switch (dbType) {
     case "mysql":
diff --git a/packages/app-tests/connectionPresentation.test.ts b/packages/app-tests/connectionPresentation.test.ts
index 70106d30c..a79082a32 100644
--- a/packages/app-tests/connectionPresentation.test.ts
+++ b/packages/app-tests/connectionPresentation.test.ts
@@ -1,7 +1,7 @@
 import { test } from "vitest";
 import assert from "node:assert/strict";
 import type { ConnectionConfig } from "../../apps/desktop/src/types/database.ts";
-import { connectionDriverLabel, connectionEndpointLabel, connectionIconType, connectionOptionSubtitle, connectionRedactedEndpointLabel, connectionRedactedNameLabel, connectionRedactedOptionSubtitle } from "../../apps/desktop/src/lib/connection/connectionPresentation.ts";
+import { connectionDisplayUrlScheme, connectionDriverLabel, connectionEndpointLabel, connectionIconType, connectionOptionSubtitle, connectionRedactedEndpointLabel, connectionRedactedNameLabel, connectionRedactedOptionSubtitle } from "../../apps/desktop/src/lib/connection/connectionPresentation.ts";
 
 const baseConnection: ConnectionConfig = {
   id: "conn-1",
@@ -20,6 +20,11 @@ test("uses driver profile for connection option icon identity", () => {
   assert.equal(connectionIconType(baseConnection), "tidb");
 });
 
+test("displays the configured GaussDB protocol in connection URLs", () => {
+  assert.equal(connectionDisplayUrlScheme({ db_type: "gaussdb", driver_profile: "gaussdb" }), "postgresql");
+  assert.equal(connectionDisplayUrlScheme({ db_type: "gaussdb", driver_profile: "gaussdb-m" }), "jdbc:gaussdb");
+});
+
 test("builds a compact subtitle for duplicate connection names", () => {
   assert.equal(connectionDriverLabel(baseConnection), "TiDB");
   assert.equal(connectionEndpointLabel(baseConnection), "127.0.0.1:4000");