diff --git a/internal/app/app.go b/internal/app/app.go
index 5b37396..5c2de4f 100644
--- a/internal/app/app.go
+++ b/internal/app/app.go
@@ -543,6 +543,9 @@ func (a *App) openDatabaseIsolated(config connection.ConnectionConfig) (db.Datab
 		}
 		return nil, withLogHint{err: fmt.Errorf("%s", reason), logPath: logger.Path()}
 	}
+	if revisionErr := verifyRuntimeOptionalDriverAgentRevision(effectiveConfig); revisionErr != nil {
+		return nil, withLogHint{err: revisionErr, logPath: logger.Path()}
+	}
 
 	dbInst, err := newDatabaseFunc(effectiveConfig.Type)
 	if err != nil {
@@ -655,6 +658,9 @@ func (a *App) getDatabaseWithPing(config connection.ConnectionConfig, forcePing
 			formatConnSummary(effectiveConfig), shortKey, formatConnectFailureCooldown(remaining), normalizeErrorMessage(failure.err))
 		return nil, withLogHint{err: fmt.Errorf("%s", message), logPath: logger.Path()}
 	}
+	if revisionErr := verifyRuntimeOptionalDriverAgentRevision(effectiveConfig); revisionErr != nil {
+		return nil, withLogHint{err: revisionErr, logPath: logger.Path()}
+	}
 
 	initialKey := key
 	dbInst, connectedConfig, err := a.connectDatabaseWithStartupRetry(resolvedConfig)
@@ -744,6 +750,32 @@ func formatConnectFailureCooldown(remaining time.Duration) time.Duration {
 	return remaining.Truncate(time.Second)
 }
 
+func verifyRuntimeOptionalDriverAgentRevision(config connection.ConnectionConfig) error {
+	driverType := normalizeDriverType(config.Type)
+	if !db.IsOptionalGoDriver(driverType) {
+		return nil
+	}
+	executablePath, err := db.ResolveOptionalDriverAgentExecutablePath("", driverType)
+	if err != nil {
+		return err
+	}
+	pkg, packageMetaExists := readInstalledDriverPackage("", driverType)
+	selectedVersion := ""
+	if packageMetaExists {
+		selectedVersion = strings.TrimSpace(pkg.Version)
+	}
+	agentRevision, err := verifyInstalledOptionalDriverAgentRevision(driverType, executablePath, selectedVersion)
+	if err != nil {
+		return err
+	}
+	if expectedRevision := strings.TrimSpace(db.OptionalDriverAgentRevision(driverType)); expectedRevision != "" {
+		displayName := resolveDriverDisplayName(driverDefinition{Type: driverType})
+		logger.Infof("%s driver-agent revision 校验通过：已安装=%s 当前需要=%s version=%s path=%s",
+			displayName, strings.TrimSpace(agentRevision), expectedRevision, selectedVersion, executablePath)
+	}
+	return nil
+}
+
 func shortenCacheKey(key string) string {
 	if len(key) > 12 {
 		return key[:12]
diff --git a/internal/app/methods_db_create_test.go b/internal/app/methods_db_create_test.go
index cad9ab1..f7c4768 100644
--- a/internal/app/methods_db_create_test.go
+++ b/internal/app/methods_db_create_test.go
@@ -53,6 +53,7 @@ var _ db.Database = (*fakeCreateDatabaseDB)(nil)
 
 func TestResolveDDLDBType_SQLServerAliases(t *testing.T) {
 	tests := []connection.ConnectionConfig{
+		{Type: "sqlserver"},
 		{Type: "mssql"},
 		{Type: "sql_server"},
 		{Type: "custom", Driver: "mssql"},
@@ -95,7 +96,8 @@ func TestCreateDatabase_SQLServerUsesBracketIdentifiers(t *testing.T) {
 
 	app := NewAppWithSecretStore(secretstore.NewUnavailableStore("test"))
 	result := app.CreateDatabase(connection.ConnectionConfig{
-		Type:     "sqlserver",
+		Type:     "custom",
+		Driver:   "mssql",
 		Database: "master",
 	}, "lg")
 
diff --git a/internal/app/methods_driver_agent_revision_test.go b/internal/app/methods_driver_agent_revision_test.go
index 7c48833..22423f8 100644
--- a/internal/app/methods_driver_agent_revision_test.go
+++ b/internal/app/methods_driver_agent_revision_test.go
@@ -79,6 +79,49 @@ func TestVerifyInstalledOptionalDriverAgentRevisionRejectsProbeFailure(t *testin
 	}
 }
 
+func TestVerifyRuntimeOptionalDriverAgentRevisionRejectsStaleOceanBaseAgent(t *testing.T) {
+	originalProbe := optionalDriverAgentMetadataProbe
+	t.Cleanup(func() {
+		optionalDriverAgentMetadataProbe = originalProbe
+	})
+	optionalDriverAgentMetadataProbe = func(driverType string, executablePath string) (db.OptionalDriverAgentMetadata, error) {
+		return db.OptionalDriverAgentMetadata{
+			DriverType:    driverType,
+			AgentRevision: "src-stale-agent",
+		}, nil
+	}
+
+	err := verifyRuntimeOptionalDriverAgentRevision(connection.ConnectionConfig{Type: "oceanbase"})
+	if err == nil {
+		t.Fatal("expected stale OceanBase agent revision to be rejected")
+	}
+	if !strings.Contains(err.Error(), "revision 不匹配") {
+		t.Fatalf("expected revision mismatch error, got %v", err)
+	}
+}
+
+func TestVerifyRuntimeOptionalDriverAgentRevisionSkipsCustomDriver(t *testing.T) {
+	originalProbe := optionalDriverAgentMetadataProbe
+	t.Cleanup(func() {
+		optionalDriverAgentMetadataProbe = originalProbe
+	})
+	calls := 0
+	optionalDriverAgentMetadataProbe = func(driverType string, executablePath string) (db.OptionalDriverAgentMetadata, error) {
+		calls++
+		return db.OptionalDriverAgentMetadata{}, nil
+	}
+
+	if err := verifyRuntimeOptionalDriverAgentRevision(connection.ConnectionConfig{
+		Type:   "custom",
+		Driver: "oceanbase",
+	}); err != nil {
+		t.Fatalf("custom driver should skip optional agent runtime revision check: %v", err)
+	}
+	if calls != 0 {
+		t.Fatalf("custom driver should not probe optional agent metadata, got %d calls", calls)
+	}
+}
+
 func optionalDriverAgentRevisionTestDrivers(t *testing.T) []string {
 	t.Helper()
 	drivers := []string{
diff --git a/internal/db/driver_agent_revisions_gen.go b/internal/db/driver_agent_revisions_gen.go
index 8044be9..8908843 100644
--- a/internal/db/driver_agent_revisions_gen.go
+++ b/internal/db/driver_agent_revisions_gen.go
@@ -5,7 +5,7 @@ package db
 func init() {
 	optionalDriverAgentRevisions = map[string]string{
 		"mariadb":    "src-1a1cc64f8f92d92b",
-		"oceanbase":  "src-ac051813e2451265",
+		"oceanbase":  "src-5bcb757b1b85d41e",
 		"diros":      "src-bcc78fa43671ade5",
 		"sphinx":     "src-404765c2fda68c5f",
 		"sqlserver":  "src-d9fba1eca0a27c49",
diff --git a/internal/db/oceanbase_impl.go b/internal/db/oceanbase_impl.go
index 947c2aa..98525f0 100644
--- a/internal/db/oceanbase_impl.go
+++ b/internal/db/oceanbase_impl.go
@@ -248,6 +248,33 @@ func withoutOceanBaseProtocolParams(config connection.ConnectionConfig) connecti
 	return next
 }
 
+func promoteOceanBaseOracleURIParams(config connection.ConnectionConfig) connection.ConnectionConfig {
+	uriParams := connectionParamsFromURI(config.URI, "oceanbase", "mysql")
+	if len(uriParams) == 0 {
+		return config
+	}
+	for _, key := range []string{"protocol", "oceanBaseProtocol", "oceanbaseProtocol", "tenantMode", "compatMode", "mode"} {
+		uriParams.Del(key)
+	}
+	if len(uriParams) == 0 {
+		return config
+	}
+	merged := url.Values{}
+	mergeConnectionParamValuesWithAllowlist(merged, uriParams, oracleConnectionParamNames)
+	mergeConnectionParamValuesWithAllowlist(merged, connectionParamsFromText(config.ConnectionParams), oracleConnectionParamNames)
+	config.ConnectionParams = merged.Encode()
+	return config
+}
+
+func prepareOceanBaseOracleConfig(config connection.ConnectionConfig) connection.ConnectionConfig {
+	runConfig := withoutOceanBaseProtocolParams(applyOceanBaseURI(config))
+	runConfig = promoteOceanBaseOracleURIParams(runConfig)
+	runConfig.Type = "oracle"
+	// OracleDB 不解析 oceanbase:// URI。连接要素已落到结构化字段和 ConnectionParams。
+	runConfig.URI = ""
+	return runConfig
+}
+
 func isOceanBaseOracleTenantMySQLDriverError(err error) bool {
 	if err == nil {
 		return false
@@ -264,8 +291,7 @@ func formatOceanBaseMySQLAttemptError(address string, err error) string {
 }
 
 func (o *OceanBaseDB) connectOracle(config connection.ConnectionConfig) error {
-	runConfig := withoutOceanBaseProtocolParams(applyOceanBaseURI(config))
-	runConfig.Type = "oracle"
+	runConfig := prepareOceanBaseOracleConfig(config)
 	if strings.TrimSpace(runConfig.Database) == "" {
 		return fmt.Errorf("OceanBase Oracle 协议需要填写服务名（Service Name），请在连接配置中填写租户监听的服务名")
 	}
diff --git a/internal/db/oceanbase_impl_test.go b/internal/db/oceanbase_impl_test.go
index 9dd3cd7..ff262fb 100644
--- a/internal/db/oceanbase_impl_test.go
+++ b/internal/db/oceanbase_impl_test.go
@@ -148,6 +148,36 @@ func TestWithoutOceanBaseProtocolParamsStripsDriverMeta(t *testing.T) {
 	}
 }
 
+func TestPrepareOceanBaseOracleConfigPromotesURIParams(t *testing.T) {
+	t.Parallel()
+
+	config := prepareOceanBaseOracleConfig(connection.ConnectionConfig{
+		Type:             "oceanbase",
+		URI:              "oceanbase://sys%40oracle001:pass@127.0.0.1:2881/ORCL?protocol=oracle&CONNECT_TIMEOUT=12&DBA_PRIVILEGE=SYSDBA",
+		ConnectionParams: "protocol=oracle&READ_TIMEOUT=7",
+	})
+
+	if config.Type != "oracle" {
+		t.Fatalf("expected routed type oracle, got %q", config.Type)
+	}
+	if config.URI != "" {
+		t.Fatalf("expected routed Oracle config to clear oceanbase URI, got %q", config.URI)
+	}
+	params := connectionParamsFromText(config.ConnectionParams)
+	if got := params.Get("CONNECT TIMEOUT"); got != "12" {
+		t.Fatalf("expected URI CONNECT_TIMEOUT promoted, got %q in %q", got, config.ConnectionParams)
+	}
+	if got := params.Get("READ TIMEOUT"); got != "7" {
+		t.Fatalf("expected explicit READ_TIMEOUT kept, got %q in %q", got, config.ConnectionParams)
+	}
+	if got := params.Get("DBA PRIVILEGE"); got != "SYSDBA" {
+		t.Fatalf("expected URI DBA_PRIVILEGE promoted, got %q in %q", got, config.ConnectionParams)
+	}
+	if strings.Contains(config.ConnectionParams, "protocol=") {
+		t.Fatalf("expected OceanBase protocol param stripped, got %q", config.ConnectionParams)
+	}
+}
+
 func TestOceanBaseOracleRequiresServiceName(t *testing.T) {
 	t.Parallel()
 
diff --git a/internal/db/oracle_dsn_test.go b/internal/db/oracle_dsn_test.go
index c02c5b5..89e0014 100644
--- a/internal/db/oracle_dsn_test.go
+++ b/internal/db/oracle_dsn_test.go
@@ -1,7 +1,9 @@
 package db
 
 import (
+	"errors"
 	"net/url"
+	"strings"
 	"testing"
 
 	"GoNavi-Wails/internal/connection"
@@ -31,6 +33,31 @@ func TestOracleGetDSNIncludesQueryPerformanceOptions(t *testing.T) {
 	}
 }
 
+func TestOracleGetDSNIncludesTimeoutDefaults(t *testing.T) {
+	t.Parallel()
+
+	dsn := (&OracleDB{}).getDSN(connection.ConnectionConfig{
+		Host:     "db.example.com",
+		Port:     1521,
+		User:     "scott",
+		Password: "tiger",
+		Database: "ORCLPDB1",
+		Timeout:  12,
+	})
+
+	parsed, err := url.Parse(dsn)
+	if err != nil {
+		t.Fatalf("解析 Oracle DSN 失败: %v", err)
+	}
+	query := parsed.Query()
+	if got := query.Get("CONNECT TIMEOUT"); got != "12" {
+		t.Fatalf("CONNECT TIMEOUT = %q, want 12", got)
+	}
+	if got := query.Get("READ TIMEOUT"); got != "12" {
+		t.Fatalf("READ TIMEOUT = %q, want 12", got)
+	}
+}
+
 func TestOracleGetDSNMergesConnectionParams(t *testing.T) {
 	t.Parallel()
 
@@ -40,7 +67,7 @@ func TestOracleGetDSNMergesConnectionParams(t *testing.T) {
 		User:             "scott",
 		Password:         "tiger",
 		Database:         "ORCLPDB1",
-		ConnectionParams: "PREFETCH_ROWS=5000&TRACE FILE=/tmp/go-ora.trc&connect_timeout=10&FAILOVER=3&unknown=bad",
+		ConnectionParams: "PREFETCH_ROWS=5000&TRACE FILE=/tmp/go-ora.trc&connect_timeout=10&read_timeout=7&FAILOVER=3&unknown=bad",
 	})
 
 	parsed, err := url.Parse(dsn)
@@ -57,6 +84,9 @@ func TestOracleGetDSNMergesConnectionParams(t *testing.T) {
 	if got := query.Get("CONNECT TIMEOUT"); got != "10" {
 		t.Fatalf("CONNECT TIMEOUT = %q, want 10", got)
 	}
+	if got := query.Get("READ TIMEOUT"); got != "7" {
+		t.Fatalf("READ TIMEOUT = %q, want 7", got)
+	}
 	if got := query.Get("FAILOVER"); got != "" {
 		t.Fatalf("FAILOVER should be filtered because go-ora no longer supports it, got %q", got)
 	}
@@ -64,3 +94,35 @@ func TestOracleGetDSNMergesConnectionParams(t *testing.T) {
 		t.Fatalf("unknown should be filtered, got %q", got)
 	}
 }
+
+func TestOracleDSNLogSummaryDoesNotExposePassword(t *testing.T) {
+	t.Parallel()
+
+	dsn := (&OracleDB{}).getDSN(connection.ConnectionConfig{
+		Host:             "db.example.com",
+		Port:             1521,
+		User:             "sys@tenant",
+		Password:         "top-secret",
+		Database:         "ORCLPDB1",
+		ConnectionParams: "DBA_PRIVILEGE=SYSDBA&AUTH_TYPE=NORMAL",
+	})
+
+	got := oracleDSNLogSummary(connection.ConnectionConfig{Database: "ORCLPDB1"}, dsn)
+	if strings.Contains(got, "top-secret") || strings.Contains(got, "sys@tenant") {
+		t.Fatalf("summary should not expose credentials, got %q", got)
+	}
+	for _, want := range []string{"服务名=ORCLPDB1", "DBA_PRIVILEGE=SYSDBA", "AUTH_TYPE=NORMAL"} {
+		if !strings.Contains(got, want) {
+			t.Fatalf("expected summary to contain %q, got %q", want, got)
+		}
+	}
+}
+
+func TestAnnotateOracleValidationErrorAddsClosedConnectionHint(t *testing.T) {
+	t.Parallel()
+
+	err := annotateOracleValidationError(errors.New("read tcp 127.0.0.1:1->127.0.0.1:2: use of closed network connection"))
+	if err == nil || !strings.Contains(err.Error(), "Service Name") {
+		t.Fatalf("expected closed connection hint, got %v", err)
+	}
+}
diff --git a/internal/db/oracle_impl.go b/internal/db/oracle_impl.go
index a7ca991..b2b7551 100644
--- a/internal/db/oracle_impl.go
+++ b/internal/db/oracle_impl.go
@@ -48,6 +48,9 @@ func (o *OracleDB) getDSN(config connection.ConnectionConfig) string {
 	q.Set("PREFETCH_ROWS", "10000")
 	// LOB 数据延迟加载，避免大 LOB 列影响普通查询性能
 	q.Set("LOB FETCH", "POST")
+	timeoutSeconds := strconv.Itoa(getConnectTimeoutSeconds(config))
+	q.Set("CONNECT TIMEOUT", timeoutSeconds)
+	q.Set("READ TIMEOUT", timeoutSeconds)
 	mergeConnectionParamsFromConfigWithAllowlist(q, config, oracleConnectionParamNames, "oracle")
 	if encoded := q.Encode(); encoded != "" {
 		u.RawQuery = encoded
@@ -55,6 +58,53 @@ func (o *OracleDB) getDSN(config connection.ConnectionConfig) string {
 	return u.String()
 }
 
+func oracleQueryValue(values url.Values, key string) string {
+	return strings.TrimSpace(values.Get(key))
+}
+
+func oracleQueryValueOrDefault(values url.Values, key string) string {
+	value := oracleQueryValue(values, key)
+	if value == "" {
+		return "未配置"
+	}
+	return value
+}
+
+func oracleDSNLogSummary(config connection.ConnectionConfig, dsn string) string {
+	serviceName := strings.TrimSpace(config.Database)
+	params := url.Values{}
+	if parsed, err := url.Parse(dsn); err == nil && parsed != nil {
+		if pathService, unescapeErr := url.PathUnescape(strings.TrimPrefix(parsed.EscapedPath(), "/")); unescapeErr == nil && strings.TrimSpace(pathService) != "" {
+			serviceName = strings.TrimSpace(pathService)
+		}
+		params = parsed.Query()
+	}
+	if serviceName == "" {
+		serviceName = "(未配置)"
+	}
+	return fmt.Sprintf("服务名=%s CONNECT_TIMEOUT=%s READ_TIMEOUT=%s SSL=%s SSL_VERIFY=%s AUTH_TYPE=%s DBA_PRIVILEGE=%s SID=%s",
+		serviceName,
+		oracleQueryValueOrDefault(params, "CONNECT TIMEOUT"),
+		oracleQueryValueOrDefault(params, "READ TIMEOUT"),
+		oracleQueryValueOrDefault(params, "SSL"),
+		oracleQueryValueOrDefault(params, "SSL VERIFY"),
+		oracleQueryValueOrDefault(params, "AUTH TYPE"),
+		oracleQueryValueOrDefault(params, "DBA PRIVILEGE"),
+		oracleQueryValueOrDefault(params, "SID"),
+	)
+}
+
+func annotateOracleValidationError(err error) error {
+	if err == nil {
+		return nil
+	}
+	message := strings.ToLower(err.Error())
+	if !strings.Contains(message, "use of closed network connection") {
+		return err
+	}
+	return fmt.Errorf("%w（Oracle 连接在验证阶段被服务端关闭或被驱动超时中断；请检查监听端口是否为 Oracle 协议端口、Service Name 是否正确、认证参数如 DBA_PRIVILEGE/AUTH_TYPE 是否匹配）", err)
+}
+
 func (o *OracleDB) Connect(config connection.ConnectionConfig) error {
 	runConfig := config
 	serviceName := strings.TrimSpace(config.Database)
@@ -101,6 +151,7 @@ func (o *OracleDB) Connect(config connection.ConnectionConfig) error {
 	var failures []string
 	for idx, attempt := range attempts {
 		dsn := o.getDSN(attempt)
+		logger.Infof("Oracle 连接参数摘要：地址=%s:%d 用户=%s %s", attempt.Host, attempt.Port, attempt.User, oracleDSNLogSummary(attempt, dsn))
 		db, err := sql.Open("oracle", dsn)
 		if err != nil {
 			failures = append(failures, fmt.Sprintf("第%d次连接打开失败: %v", idx+1, err))
@@ -111,7 +162,7 @@ func (o *OracleDB) Connect(config connection.ConnectionConfig) error {
 		if err := o.Ping(); err != nil {
 			_ = db.Close()
 			o.conn = nil
-			failures = append(failures, fmt.Sprintf("第%d次连接验证失败: %v", idx+1, err))
+			failures = append(failures, fmt.Sprintf("第%d次连接验证失败: %v", idx+1, annotateOracleValidationError(err)))
 			continue
 		}
 		if idx > 0 {
diff --git a/tools/generate-driver-agent-revisions.sh b/tools/generate-driver-agent-revisions.sh
index acecf56..7ca1b0c 100755
--- a/tools/generate-driver-agent-revisions.sh
+++ b/tools/generate-driver-agent-revisions.sh
@@ -93,6 +93,7 @@ internal/db/timeout.go)
   case "$driver:$identity" in
     mariadb:internal/db/mariadb_impl.go|\
 oceanbase:internal/db/oceanbase_impl.go|\
+oceanbase:internal/db/oracle_impl.go|\
 oceanbase:internal/db/mysql_impl.go|\
 diros:internal/db/diros_impl.go|\
 diros:internal/db/mysql_impl.go|\