diff --git a/openapi/oauth/providers/user/default.go b/openapi/oauth/providers/user/default.go
index c9b5045a..1b1af8f4 100644
--- a/openapi/oauth/providers/user/default.go
+++ b/openapi/oauth/providers/user/default.go
@@ -61,6 +61,21 @@ var (
 		"id", "user_id", "mfa_enabled", "mfa_secret", "mfa_issuer", "mfa_algorithm",
 		"mfa_digits", "mfa_period", "mfa_recovery_hash", "mfa_enabled_at",
 	}
+
+	// DefaultOAuthAccountFields contains basic OAuth account fields
+	DefaultOAuthAccountFields = []interface{}{
+		"id", "user_id", "provider", "sub", "preferred_username", "email", "email_verified",
+		"name", "given_name", "family_name", "picture", "last_login_at", "is_active",
+		"created_at", "updated_at",
+	}
+
+	// DefaultOAuthAccountDetailFields contains all OAuth account fields including OIDC claims
+	DefaultOAuthAccountDetailFields = []interface{}{
+		"id", "user_id", "provider", "sub", "preferred_username", "email", "email_verified",
+		"name", "given_name", "family_name", "middle_name", "nickname", "profile", "picture",
+		"website", "gender", "birthdate", "zoneinfo", "locale", "phone_number", "phone_number_verified",
+		"address", "raw", "last_login_at", "is_active", "created_at", "updated_at",
+	}
 )
 
 // DefaultUser provides a default implementation of UserProvider
@@ -81,6 +96,10 @@ type DefaultUser struct {
 	basicUserFields  []interface{} // configurable
 	authUserFields   []interface{} // fixed for security
 	mfaUserFields    []interface{} // fixed for security
+
+	// OAuth Account Field lists
+	oauthAccountFields       []interface{} // configurable
+	oauthAccountDetailFields []interface{} // configurable
 }
 
 // IDStrategy defines the strategy for generating user IDs
@@ -109,6 +128,10 @@ type DefaultUserOptions struct {
 	PublicUserFields []interface{} // fields returned in public APIs
 	BasicUserFields  []interface{} // minimal fields for basic user info
 	// Note: AuthUserFields and MFAUserFields are fixed for security reasons
+
+	// OAuth Account field lists (use defaults if not specified)
+	OAuthAccountFields       []interface{} // basic OAuth account fields
+	OAuthAccountDetailFields []interface{} // detailed OAuth account fields with OIDC claims
 }
 
 // NewDefaultUser creates a new DefaultUser
@@ -154,6 +177,17 @@ func NewDefaultUser(options *DefaultUserOptions) *DefaultUser {
 		basicUserFields = DefaultBasicUserFields
 	}
 
+	// Set OAuth account field lists with defaults if not specified
+	oauthAccountFields := options.OAuthAccountFields
+	if oauthAccountFields == nil {
+		oauthAccountFields = DefaultOAuthAccountFields
+	}
+
+	oauthAccountDetailFields := options.OAuthAccountDetailFields
+	if oauthAccountDetailFields == nil {
+		oauthAccountDetailFields = DefaultOAuthAccountDetailFields
+	}
+
 	return &DefaultUser{
 		prefix:            options.Prefix,
 		model:             model,
@@ -167,5 +201,9 @@ func NewDefaultUser(options *DefaultUserOptions) *DefaultUser {
 		basicUserFields:   basicUserFields,
 		authUserFields:    DefaultAuthUserFields, // fixed for security
 		mfaUserFields:     DefaultMFAUserFields,  // fixed for security
+
+		// OAuth Account field lists
+		oauthAccountFields:       oauthAccountFields,
+		oauthAccountDetailFields: oauthAccountDetailFields,
 	}
 }
diff --git a/openapi/oauth/providers/user/oauth_account.go b/openapi/oauth/providers/user/oauth_account.go
index c5c6f047..80330ec0 100644
--- a/openapi/oauth/providers/user/oauth_account.go
+++ b/openapi/oauth/providers/user/oauth_account.go
@@ -2,6 +2,8 @@ package user
 
 import (
 	"context"
+	"fmt"
+	"time"
 
 	"github.com/yaoapp/gou/model"
 	"github.com/yaoapp/kun/maps"
@@ -11,48 +13,213 @@ import (
 
 // CreateOAuthAccount creates a new OAuth account association
 func (u *DefaultUser) CreateOAuthAccount(ctx context.Context, userID string, oauthData maps.MapStrAny) (interface{}, error) {
-	// TODO: implement
-	return nil, nil
+	// Set required fields
+	oauthData["user_id"] = userID
+
+	// Set default status if not provided
+	if _, exists := oauthData["is_active"]; !exists {
+		oauthData["is_active"] = true
+	}
+
+	// Set last login time if not provided
+	if _, exists := oauthData["last_login_at"]; !exists {
+		oauthData["last_login_at"] = time.Now()
+	}
+
+	m := model.Select(u.oauthAccountModel)
+	id, err := m.Create(oauthData)
+	if err != nil {
+		return nil, fmt.Errorf(ErrFailedToCreateOAuth, err)
+	}
+
+	return id, nil
 }
 
 // GetOAuthAccount retrieves OAuth account by provider and subject
 func (u *DefaultUser) GetOAuthAccount(ctx context.Context, provider string, subject string) (maps.MapStrAny, error) {
-	// TODO: implement
-	return nil, nil
+	m := model.Select(u.oauthAccountModel)
+	accounts, err := m.Get(model.QueryParam{
+		Select: u.oauthAccountFields,
+		Wheres: []model.QueryWhere{
+			{Column: "provider", Value: provider},
+			{Column: "sub", Value: subject},
+		},
+		Limit: 1,
+	})
+
+	if err != nil {
+		return nil, fmt.Errorf(ErrFailedToGetOAuthAccount, err)
+	}
+
+	if len(accounts) == 0 {
+		return nil, fmt.Errorf("oauth account not found for provider %s with subject %s", provider, subject)
+	}
+
+	return accounts[0], nil
 }
 
 // GetUserOAuthAccounts retrieves all OAuth accounts for a user
 func (u *DefaultUser) GetUserOAuthAccounts(ctx context.Context, userID string) ([]maps.MapStrAny, error) {
-	// TODO: implement
-	return nil, nil
+	m := model.Select(u.oauthAccountModel)
+	accounts, err := m.Get(model.QueryParam{
+		Select: u.oauthAccountFields,
+		Wheres: []model.QueryWhere{
+			{Column: "user_id", Value: userID},
+		},
+		Orders: []model.QueryOrder{
+			{Column: "last_login_at", Option: "desc"},
+		},
+	})
+
+	if err != nil {
+		return nil, fmt.Errorf(ErrFailedToGetOAuthAccount, err)
+	}
+
+	return accounts, nil
 }
 
 // UpdateOAuthAccount updates OAuth account information
 func (u *DefaultUser) UpdateOAuthAccount(ctx context.Context, provider string, subject string, oauthData maps.MapStrAny) error {
-	// TODO: implement
+	// Remove sensitive fields that should not be updated directly
+	sensitiveFields := []string{"id", "user_id", "provider", "sub", "created_at"}
+	for _, field := range sensitiveFields {
+		delete(oauthData, field)
+	}
+
+	// Skip update if no valid fields remain
+	if len(oauthData) == 0 {
+		return nil
+	}
+
+	m := model.Select(u.oauthAccountModel)
+	affected, err := m.UpdateWhere(model.QueryParam{
+		Wheres: []model.QueryWhere{
+			{Column: "provider", Value: provider},
+			{Column: "sub", Value: subject},
+		},
+		Limit: 1, // Safety: ensure only one record is updated
+	}, oauthData)
+
+	if err != nil {
+		return fmt.Errorf(ErrFailedToUpdateOAuth, err)
+	}
+
+	if affected == 0 {
+		return fmt.Errorf("oauth account not found for provider %s with subject %s", provider, subject)
+	}
+
 	return nil
 }
 
 // DeleteOAuthAccount removes an OAuth account association
 func (u *DefaultUser) DeleteOAuthAccount(ctx context.Context, provider string, subject string) error {
-	// TODO: implement
+	m := model.Select(u.oauthAccountModel)
+	affected, err := m.DeleteWhere(model.QueryParam{
+		Wheres: []model.QueryWhere{
+			{Column: "provider", Value: provider},
+			{Column: "sub", Value: subject},
+		},
+		Limit: 1, // Safety: ensure only one record is deleted
+	})
+
+	if err != nil {
+		return fmt.Errorf(ErrFailedToDeleteOAuth, err)
+	}
+
+	if affected == 0 {
+		return fmt.Errorf("oauth account not found for provider %s with subject %s", provider, subject)
+	}
+
+	return nil
+}
+
+// DeleteUserOAuthAccounts removes all OAuth accounts for a specific user
+func (u *DefaultUser) DeleteUserOAuthAccounts(ctx context.Context, userID string) error {
+	m := model.Select(u.oauthAccountModel)
+
+	// Use batch soft delete (the Gou library bug has been fixed)
+	_, err := m.DeleteWhere(model.QueryParam{
+		Wheres: []model.QueryWhere{
+			{Column: "user_id", Value: userID},
+		},
+	})
+
+	if err != nil {
+		return fmt.Errorf(ErrFailedToDeleteOAuth, err)
+	}
+
+	// Note: We don't check affected count here because it's valid for a user to have no OAuth accounts
+	// This method is typically called during user deletion as a cleanup operation
+
 	return nil
 }
 
 // GetOAuthAccounts retrieves OAuth accounts by query parameters
 func (u *DefaultUser) GetOAuthAccounts(ctx context.Context, param model.QueryParam) ([]maps.MapStr, error) {
-	// TODO: implement
-	return nil, nil
+	// Set default select fields if not provided
+	if param.Select == nil {
+		param.Select = u.oauthAccountFields
+	}
+
+	m := model.Select(u.oauthAccountModel)
+	accounts, err := m.Get(param)
+	if err != nil {
+		return nil, fmt.Errorf(ErrFailedToGetOAuthAccount, err)
+	}
+
+	return accounts, nil
 }
 
 // PaginateOAuthAccounts retrieves paginated list of OAuth accounts
 func (u *DefaultUser) PaginateOAuthAccounts(ctx context.Context, param model.QueryParam, page int, pagesize int) (maps.MapStr, error) {
-	// TODO: implement
-	return nil, nil
+	// Set default select fields if not provided
+	if param.Select == nil {
+		param.Select = u.oauthAccountFields
+	}
+
+	m := model.Select(u.oauthAccountModel)
+	result, err := m.Paginate(param, page, pagesize)
+	if err != nil {
+		return nil, fmt.Errorf(ErrFailedToGetOAuthAccount, err)
+	}
+
+	return result, nil
 }
 
 // CountOAuthAccounts returns total count of OAuth accounts with optional filters
 func (u *DefaultUser) CountOAuthAccounts(ctx context.Context, param model.QueryParam) (int64, error) {
-	// TODO: implement
-	return 0, nil
+	// Use Paginate with a small page size to get the total count
+	// This is more reliable than manual COUNT(*) queries
+	m := model.Select(u.oauthAccountModel)
+	result, err := m.Paginate(param, 1, 1) // Get first page with 1 item to get total
+	if err != nil {
+		return 0, fmt.Errorf(ErrFailedToGetOAuthAccount, err)
+	}
+
+	// Extract total from pagination result
+	if total, ok := result["total"].(int64); ok {
+		return total, nil
+	}
+
+	// Handle different total types returned by Paginate
+	if totalInterface, ok := result["total"]; ok {
+		switch v := totalInterface.(type) {
+		case int:
+			return int64(v), nil
+		case int32:
+			return int64(v), nil
+		case int64:
+			return v, nil
+		case uint:
+			return int64(v), nil
+		case uint32:
+			return int64(v), nil
+		case uint64:
+			return int64(v), nil
+		default:
+			return 0, fmt.Errorf("unexpected total type: %T", totalInterface)
+		}
+	}
+
+	return 0, fmt.Errorf("total not found in pagination result")
 }
diff --git a/openapi/oauth/providers/user/oauth_account_test.go b/openapi/oauth/providers/user/oauth_account_test.go
new file mode 100644
index 00000000..40185765
--- /dev/null
+++ b/openapi/oauth/providers/user/oauth_account_test.go
@@ -0,0 +1,702 @@
+package user_test
+
+import (
+	"context"
+	"strings"
+	"testing"
+	"time"
+
+	"github.com/google/uuid"
+	"github.com/stretchr/testify/assert"
+	"github.com/yaoapp/gou/model"
+	"github.com/yaoapp/kun/maps"
+)
+
+// TestOAuthAccountData represents test OAuth account data structure
+type TestOAuthAccountData struct {
+	Provider          string                 `json:"provider"`
+	Sub               string                 `json:"sub"`
+	PreferredUsername string                 `json:"preferred_username"`
+	Email             string                 `json:"email"`
+	EmailVerified     bool                   `json:"email_verified"`
+	Name              string                 `json:"name"`
+	GivenName         string                 `json:"given_name"`
+	FamilyName        string                 `json:"family_name"`
+	Picture           string                 `json:"picture"`
+	IsActive          bool                   `json:"is_active"`
+	Raw               map[string]interface{} `json:"raw"`
+}
+
+func TestOAuthAccountBasicOperations(t *testing.T) {
+	prepare(t)
+	defer clean()
+
+	ctx := context.Background()
+
+	// Step 1: Create a test user first (OAuth accounts need a user_id)
+	// Use UUID to ensure unique identifiers
+	testUUID := strings.ReplaceAll(uuid.New().String(), "-", "")[:8] // 8 char UUID
+	testUser := createTestUserData("oauthtest" + testUUID)
+	_, testUserID := setupTestUser(t, ctx, testUser)
+
+	// Step 2: Create test OAuth account data dynamically
+	testOAuth := &TestOAuthAccountData{
+		Provider:          "google",
+		Sub:               "google_" + testUUID + "_123456789",
+		PreferredUsername: "oauth_testuser" + testUUID,
+		Email:             "oauth_testuser" + testUUID + "@gmail.com",
+		EmailVerified:     true,
+		Name:              "OAuth Test User " + testUUID,
+		GivenName:         "OAuth",
+		FamilyName:        "User",
+		Picture:           "https://example.com/avatar.jpg",
+		IsActive:          true,
+		Raw: map[string]interface{}{
+			"iss":    "https://accounts.google.com",
+			"aud":    "your-client-id.apps.googleusercontent.com",
+			"locale": "en",
+		},
+	}
+
+	// Test CreateOAuthAccount
+	t.Run("CreateOAuthAccount", func(t *testing.T) {
+		oauthData := maps.MapStrAny{
+			"provider":           testOAuth.Provider,
+			"sub":                testOAuth.Sub,
+			"preferred_username": testOAuth.PreferredUsername,
+			"email":              testOAuth.Email,
+			"email_verified":     testOAuth.EmailVerified,
+			"name":               testOAuth.Name,
+			"given_name":         testOAuth.GivenName,
+			"family_name":        testOAuth.FamilyName,
+			"picture":            testOAuth.Picture,
+			"raw":                testOAuth.Raw,
+		}
+
+		id, err := testProvider.CreateOAuthAccount(ctx, testUserID, oauthData)
+		assert.NoError(t, err)
+		assert.NotNil(t, id)
+
+		// Verify user_id was automatically set
+		assert.Equal(t, testUserID, oauthData["user_id"])
+
+		// Verify default values were set
+		assert.Equal(t, true, oauthData["is_active"])
+		assert.NotNil(t, oauthData["last_login_at"])
+	})
+
+	// Test GetOAuthAccount
+	t.Run("GetOAuthAccount", func(t *testing.T) {
+		account, err := testProvider.GetOAuthAccount(ctx, testOAuth.Provider, testOAuth.Sub)
+		assert.NoError(t, err)
+		assert.NotNil(t, account)
+
+		// Verify key fields
+		assert.Equal(t, testUserID, account["user_id"])
+		assert.Equal(t, testOAuth.Provider, account["provider"])
+		assert.Equal(t, testOAuth.Sub, account["sub"])
+		assert.Equal(t, testOAuth.Email, account["email"])
+		assert.Equal(t, testOAuth.Name, account["name"])
+
+		// Handle different boolean representations from database
+		isActive := account["is_active"]
+		switch v := isActive.(type) {
+		case bool:
+			assert.True(t, v)
+		case int, int32, int64:
+			assert.NotEqual(t, 0, v) // Any non-zero value is true
+		default:
+			t.Errorf("unexpected is_active type: %T, value: %v", isActive, isActive)
+		}
+
+		assert.NotNil(t, account["last_login_at"])
+	})
+
+	// Test GetUserOAuthAccounts
+	t.Run("GetUserOAuthAccounts", func(t *testing.T) {
+		accounts, err := testProvider.GetUserOAuthAccounts(ctx, testUserID)
+		assert.NoError(t, err)
+		assert.NotNil(t, accounts)
+		assert.GreaterOrEqual(t, len(accounts), 1) // At least our test account
+
+		// Find our test account
+		var testAccount maps.MapStrAny
+		for _, account := range accounts {
+			if account["provider"] == testOAuth.Provider && account["sub"] == testOAuth.Sub {
+				testAccount = account
+				break
+			}
+		}
+
+		assert.NotNil(t, testAccount, "Test OAuth account should be found")
+		assert.Equal(t, testUserID, testAccount["user_id"])
+		assert.Equal(t, testOAuth.Email, testAccount["email"])
+	})
+
+	// Test UpdateOAuthAccount
+	t.Run("UpdateOAuthAccount", func(t *testing.T) {
+		updateData := maps.MapStrAny{
+			"name":        "Updated OAuth User",
+			"given_name":  "Updated",
+			"family_name": "OAuth User",
+			"picture":     "https://example.com/new_avatar.jpg",
+			"raw": map[string]interface{}{
+				"iss":     "https://accounts.google.com",
+				"aud":     "your-client-id.apps.googleusercontent.com",
+				"locale":  "zh-CN", // Updated locale
+				"updated": true,
+			},
+		}
+
+		err := testProvider.UpdateOAuthAccount(ctx, testOAuth.Provider, testOAuth.Sub, updateData)
+		assert.NoError(t, err)
+
+		// Verify update
+		account, err := testProvider.GetOAuthAccount(ctx, testOAuth.Provider, testOAuth.Sub)
+		assert.NoError(t, err)
+		assert.Equal(t, "Updated OAuth User", account["name"])
+		assert.Equal(t, "Updated", account["given_name"])
+		assert.Equal(t, "https://example.com/new_avatar.jpg", account["picture"])
+
+		// Test updating sensitive fields (should be ignored)
+		sensitiveData := maps.MapStrAny{
+			"id":         999,
+			"user_id":    "malicious_user_id",
+			"provider":   "malicious_provider",
+			"sub":        "malicious_sub",
+			"created_at": time.Now(),
+		}
+
+		err = testProvider.UpdateOAuthAccount(ctx, testOAuth.Provider, testOAuth.Sub, sensitiveData)
+		assert.NoError(t, err) // Should not error, just ignore sensitive fields
+
+		// Verify sensitive fields were not changed
+		account, err = testProvider.GetOAuthAccount(ctx, testOAuth.Provider, testOAuth.Sub)
+		assert.NoError(t, err)
+		assert.Equal(t, testUserID, account["user_id"])          // Should remain unchanged
+		assert.Equal(t, testOAuth.Provider, account["provider"]) // Should remain unchanged
+		assert.Equal(t, testOAuth.Sub, account["sub"])           // Should remain unchanged
+	})
+
+	// Create another OAuth account for the same user (different provider) to test GetUserOAuthAccounts
+	t.Run("CreateSecondOAuthAccount", func(t *testing.T) {
+		secondOAuthData := maps.MapStrAny{
+			"provider":           "github",
+			"sub":                "github_" + testUUID + "_987654321",
+			"preferred_username": "oauth_testuser" + testUUID + "_gh",
+			"email":              "oauth_testuser" + testUUID + "@users.noreply.github.com",
+			"email_verified":     true,
+			"name":               "OAuth Test User (GitHub) " + testUUID,
+			"given_name":         "OAuth",
+			"family_name":        "User",
+			"picture":            "https://avatars.githubusercontent.com/u/123456",
+		}
+
+		id, err := testProvider.CreateOAuthAccount(ctx, testUserID, secondOAuthData)
+		assert.NoError(t, err)
+		assert.NotNil(t, id)
+
+		// Verify user now has 2 OAuth accounts
+		accounts, err := testProvider.GetUserOAuthAccounts(ctx, testUserID)
+		assert.NoError(t, err)
+		assert.GreaterOrEqual(t, len(accounts), 2) // At least 2 accounts now
+
+		// Verify accounts are ordered by last_login_at desc (newest first)
+		if len(accounts) >= 2 {
+			// The GitHub account should be newer (created later), so it should come first
+			foundGitHub := false
+			for _, account := range accounts {
+				if account["provider"] == "github" {
+					foundGitHub = true
+					break
+				}
+			}
+			assert.True(t, foundGitHub, "GitHub OAuth account should be found")
+		}
+	})
+
+	// Test DeleteOAuthAccount (delete the second account first)
+	t.Run("DeleteSecondOAuthAccount", func(t *testing.T) {
+		githubSub := "github_" + testUUID + "_987654321"
+		err := testProvider.DeleteOAuthAccount(ctx, "github", githubSub)
+		assert.NoError(t, err)
+
+		// Verify account was deleted
+		_, err = testProvider.GetOAuthAccount(ctx, "github", githubSub)
+		assert.Error(t, err)
+		assert.Contains(t, err.Error(), "oauth account not found")
+
+		// Verify user still has the first OAuth account
+		accounts, err := testProvider.GetUserOAuthAccounts(ctx, testUserID)
+		assert.NoError(t, err)
+		assert.GreaterOrEqual(t, len(accounts), 1) // Still has at least 1 account
+	})
+
+	// Test DeleteOAuthAccount (delete the first account at the end)
+	t.Run("DeleteOAuthAccount", func(t *testing.T) {
+		err := testProvider.DeleteOAuthAccount(ctx, testOAuth.Provider, testOAuth.Sub)
+		assert.NoError(t, err)
+
+		// Verify account was deleted
+		_, err = testProvider.GetOAuthAccount(ctx, testOAuth.Provider, testOAuth.Sub)
+		assert.Error(t, err)
+		assert.Contains(t, err.Error(), "oauth account not found")
+	})
+
+	// Test DeleteUserOAuthAccounts
+	t.Run("DeleteUserOAuthAccounts", func(t *testing.T) {
+		// First create a new user with multiple OAuth accounts for testing
+		testUserForDelete := createTestUserData("deletetest" + testUUID)
+		_, deleteTestUserID := setupTestUser(t, ctx, testUserForDelete)
+
+		// Create multiple OAuth accounts for this user (using different providers to avoid conflicts)
+		oauthAccounts := []maps.MapStrAny{
+			{
+				"provider":       "discord",
+				"sub":            "discord_delete_" + testUUID,
+				"email":          "deletetest" + testUUID + "@discord.com",
+				"name":           "Delete Test User Discord",
+				"email_verified": true,
+			},
+			{
+				"provider":       "linkedin",
+				"sub":            "linkedin_delete_" + testUUID,
+				"email":          "deletetest" + testUUID + "@linkedin.com",
+				"name":           "Delete Test User LinkedIn",
+				"email_verified": true,
+			},
+			{
+				"provider":       "twitter",
+				"sub":            "twitter_delete_" + testUUID,
+				"email":          "deletetest" + testUUID + "@twitter.com",
+				"name":           "Delete Test User Twitter",
+				"email_verified": true,
+			},
+		}
+
+		// Create all OAuth accounts
+		for _, oauthData := range oauthAccounts {
+			_, err := testProvider.CreateOAuthAccount(ctx, deleteTestUserID, oauthData)
+			assert.NoError(t, err)
+		}
+
+		// Verify accounts were created
+		accounts, err := testProvider.GetUserOAuthAccounts(ctx, deleteTestUserID)
+		assert.NoError(t, err)
+		assert.Len(t, accounts, 3) // Should have 3 accounts
+
+		// Delete all OAuth accounts for this user
+		err = testProvider.DeleteUserOAuthAccounts(ctx, deleteTestUserID)
+		assert.NoError(t, err)
+
+		// Verify all accounts were deleted
+		accounts, err = testProvider.GetUserOAuthAccounts(ctx, deleteTestUserID)
+		assert.NoError(t, err)
+		assert.Len(t, accounts, 0) // Should have no accounts
+
+		// Test deleting OAuth accounts for user with no OAuth accounts (should not error)
+		err = testProvider.DeleteUserOAuthAccounts(ctx, deleteTestUserID)
+		assert.NoError(t, err) // Should not error even if no accounts exist
+	})
+}
+
+func TestOAuthAccountListOperations(t *testing.T) {
+	prepare(t)
+	defer clean()
+
+	ctx := context.Background()
+
+	// Create test users and OAuth accounts for list operations
+	// Use UUID to ensure unique identifiers
+	testUUID := strings.ReplaceAll(uuid.New().String(), "-", "")[:8] // 8 char UUID
+
+	// Create multiple test users
+	testUsers := make([]string, 5) // Store user IDs - one for each OAuth account
+	for i := 0; i < 5; i++ {
+		userData := createTestUserData("oauthlist" + testUUID + string('0'+rune(i)))
+		_, userID := setupTestUser(t, ctx, userData)
+		testUsers[i] = userID
+	}
+
+	// Create multiple OAuth accounts for testing
+	// Each account is assigned to a different user to avoid unique constraint violations
+	oauthAccounts := []TestOAuthAccountData{
+		{
+			Provider: "google",
+			Sub:      "google_list_" + testUUID + "_1",
+			Email:    "listtest1_" + testUUID + "@gmail.com",
+			Name:     "OAuth List Test 1",
+			IsActive: true,
+		},
+		{
+			Provider: "github",
+			Sub:      "github_list_" + testUUID + "_2",
+			Email:    "listtest2_" + testUUID + "@users.noreply.github.com",
+			Name:     "OAuth List Test 2",
+			IsActive: true,
+		},
+		{
+			Provider: "apple",
+			Sub:      "apple_list_" + testUUID + "_3",
+			Email:    "listtest3_" + testUUID + "@privaterelay.appleid.com",
+			Name:     "OAuth List Test 3",
+			IsActive: false, // Different status for filtering
+		},
+		{
+			Provider: "google",
+			Sub:      "google_list_" + testUUID + "_4",
+			Email:    "listtest4_" + testUUID + "@gmail.com",
+			Name:     "OAuth List Test 4",
+			IsActive: true,
+		},
+		{
+			Provider: "github",
+			Sub:      "github_list_" + testUUID + "_5",
+			Email:    "listtest5_" + testUUID + "@users.noreply.github.com",
+			Name:     "OAuth List Test 5",
+			IsActive: true,
+		},
+	}
+
+	// Create OAuth accounts in database
+	// Each account gets its own user to avoid user_id + provider unique constraint violations
+	for i, oauthData := range oauthAccounts {
+		oauthMap := maps.MapStrAny{
+			"provider":       oauthData.Provider,
+			"sub":            oauthData.Sub,
+			"email":          oauthData.Email,
+			"name":           oauthData.Name,
+			"is_active":      oauthData.IsActive,
+			"email_verified": true,
+		}
+
+		_, err := testProvider.CreateOAuthAccount(ctx, testUsers[i], oauthMap)
+		assert.NoError(t, err)
+	}
+
+	// Test GetOAuthAccounts
+	t.Run("GetOAuthAccounts_All", func(t *testing.T) {
+		param := model.QueryParam{
+			Wheres: []model.QueryWhere{
+				{Column: "sub", OP: "like", Value: "%_list_" + testUUID + "_%"},
+			},
+		}
+		accounts, err := testProvider.GetOAuthAccounts(ctx, param)
+		assert.NoError(t, err)
+		assert.GreaterOrEqual(t, len(accounts), 5) // At least our 5 test accounts
+
+		// Check that basic fields are returned by default
+		if len(accounts) > 0 {
+			account := accounts[0]
+			assert.Contains(t, account, "user_id")
+			assert.Contains(t, account, "provider")
+			assert.Contains(t, account, "sub")
+			assert.Contains(t, account, "email")
+			assert.Contains(t, account, "is_active")
+		}
+	})
+
+	t.Run("GetOAuthAccounts_WithFilters", func(t *testing.T) {
+		param := model.QueryParam{
+			Wheres: []model.QueryWhere{
+				{Column: "sub", OP: "like", Value: "%_list_" + testUUID + "_%"},
+				{Column: "provider", Value: "google"},
+			},
+		}
+		accounts, err := testProvider.GetOAuthAccounts(ctx, param)
+		assert.NoError(t, err)
+		assert.GreaterOrEqual(t, len(accounts), 2) // At least 2 Google accounts
+
+		// All returned accounts should be Google
+		for _, account := range accounts {
+			if strings.Contains(account["sub"].(string), "_list_"+testUUID+"_") {
+				assert.Equal(t, "google", account["provider"])
+			}
+		}
+	})
+
+	t.Run("GetOAuthAccounts_WithCustomFields", func(t *testing.T) {
+		param := model.QueryParam{
+			Select: []interface{}{"provider", "sub", "email", "is_active"},
+			Wheres: []model.QueryWhere{
+				{Column: "sub", OP: "like", Value: "%_list_" + testUUID + "_%"},
+			},
+			Limit: 3,
+		}
+		accounts, err := testProvider.GetOAuthAccounts(ctx, param)
+		assert.NoError(t, err)
+		assert.LessOrEqual(t, len(accounts), 3) // Respects limit
+
+		if len(accounts) > 0 {
+			account := accounts[0]
+			assert.Contains(t, account, "provider")
+			assert.Contains(t, account, "sub")
+			assert.Contains(t, account, "email")
+			assert.Contains(t, account, "is_active")
+		}
+	})
+
+	// Test PaginateOAuthAccounts
+	t.Run("PaginateOAuthAccounts_FirstPage", func(t *testing.T) {
+		param := model.QueryParam{
+			Wheres: []model.QueryWhere{
+				{Column: "sub", OP: "like", Value: "%_list_" + testUUID + "_%"},
+			},
+			Orders: []model.QueryOrder{
+				{Column: "provider", Option: "asc"},
+			},
+		}
+		result, err := testProvider.PaginateOAuthAccounts(ctx, param, 1, 3)
+		assert.NoError(t, err)
+		assert.NotNil(t, result)
+
+		// Check pagination structure
+		assert.Contains(t, result, "data")
+		assert.Contains(t, result, "total")
+		assert.Contains(t, result, "page")
+		assert.Contains(t, result, "pagesize")
+
+		data, ok := result["data"].([]maps.MapStr)
+		assert.True(t, ok)
+		assert.LessOrEqual(t, len(data), 3) // Page size limit
+
+		// Handle different total types
+		totalInterface, exists := result["total"]
+		assert.True(t, exists)
+
+		var total int64
+		switch v := totalInterface.(type) {
+		case int:
+			total = int64(v)
+		case int32:
+			total = int64(v)
+		case int64:
+			total = v
+		case uint:
+			total = int64(v)
+		case uint32:
+			total = int64(v)
+		case uint64:
+			total = int64(v)
+		default:
+			t.Errorf("unexpected total type: %T, value: %v", totalInterface, totalInterface)
+		}
+		assert.GreaterOrEqual(t, total, int64(5)) // At least 5 accounts
+
+		assert.Equal(t, 1, result["page"])
+		assert.Equal(t, 3, result["pagesize"])
+	})
+
+	t.Run("PaginateOAuthAccounts_WithFilters", func(t *testing.T) {
+		param := model.QueryParam{
+			Wheres: []model.QueryWhere{
+				{Column: "sub", OP: "like", Value: "%_list_" + testUUID + "_%"},
+				{Column: "is_active", Value: true},
+			},
+		}
+		result, err := testProvider.PaginateOAuthAccounts(ctx, param, 1, 10)
+		assert.NoError(t, err)
+		assert.NotNil(t, result)
+
+		data, ok := result["data"].([]maps.MapStr)
+		assert.True(t, ok)
+		assert.GreaterOrEqual(t, len(data), 4) // At least 4 active accounts
+
+		// Verify is_active filter works
+		for _, account := range data {
+			if strings.Contains(account["sub"].(string), "_list_"+testUUID+"_") {
+				// Handle different boolean representations from database
+				isActive := account["is_active"]
+				switch v := isActive.(type) {
+				case bool:
+					assert.True(t, v)
+				case int, int32, int64:
+					assert.NotEqual(t, 0, v) // Any non-zero value is true
+				default:
+					t.Errorf("unexpected is_active type: %T, value: %v", isActive, isActive)
+				}
+			}
+		}
+	})
+
+	// Test CountOAuthAccounts
+	t.Run("CountOAuthAccounts_All", func(t *testing.T) {
+		param := model.QueryParam{
+			Wheres: []model.QueryWhere{
+				{Column: "sub", OP: "like", Value: "%_list_" + testUUID + "_%"},
+			},
+		}
+		count, err := testProvider.CountOAuthAccounts(ctx, param)
+		assert.NoError(t, err)
+		assert.GreaterOrEqual(t, count, int64(5)) // At least 5 accounts
+	})
+
+	t.Run("CountOAuthAccounts_WithFilters", func(t *testing.T) {
+		param := model.QueryParam{
+			Wheres: []model.QueryWhere{
+				{Column: "sub", OP: "like", Value: "%_list_" + testUUID + "_%"},
+				{Column: "provider", Value: "github"},
+			},
+		}
+		count, err := testProvider.CountOAuthAccounts(ctx, param)
+		assert.NoError(t, err)
+		assert.GreaterOrEqual(t, count, int64(2)) // At least 2 GitHub accounts
+	})
+
+	t.Run("CountOAuthAccounts_SpecificStatus", func(t *testing.T) {
+		param := model.QueryParam{
+			Wheres: []model.QueryWhere{
+				{Column: "sub", OP: "like", Value: "%_list_" + testUUID + "_%"},
+				{Column: "is_active", Value: false},
+			},
+		}
+		count, err := testProvider.CountOAuthAccounts(ctx, param)
+		assert.NoError(t, err)
+		assert.GreaterOrEqual(t, count, int64(1)) // At least 1 inactive account (Apple)
+	})
+
+	t.Run("CountOAuthAccounts_NoResults", func(t *testing.T) {
+		param := model.QueryParam{
+			Wheres: []model.QueryWhere{
+				{Column: "provider", Value: "nonexistent_provider"},
+			},
+		}
+		count, err := testProvider.CountOAuthAccounts(ctx, param)
+		assert.NoError(t, err)
+		assert.Equal(t, int64(0), count)
+	})
+}
+
+func TestOAuthAccountErrorHandling(t *testing.T) {
+	prepare(t)
+	defer clean()
+
+	ctx := context.Background()
+	testUUID := strings.ReplaceAll(uuid.New().String(), "-", "")[:8]
+	nonExistentProvider := "nonexistent_provider"
+	nonExistentSub := "nonexistent_sub_" + testUUID
+
+	// Create a test user for valid user_id
+	testUser := createTestUserData("oautherror" + testUUID)
+	_, testUserID := setupTestUser(t, ctx, testUser)
+
+	t.Run("GetOAuthAccount_NotFound", func(t *testing.T) {
+		_, err := testProvider.GetOAuthAccount(ctx, nonExistentProvider, nonExistentSub)
+		assert.Error(t, err)
+		assert.Contains(t, err.Error(), "oauth account not found")
+	})
+
+	t.Run("GetUserOAuthAccounts_NoAccounts", func(t *testing.T) {
+		accounts, err := testProvider.GetUserOAuthAccounts(ctx, testUserID)
+		assert.NoError(t, err)
+		assert.Equal(t, 0, len(accounts)) // Empty slice, not nil
+	})
+
+	t.Run("UpdateOAuthAccount_NotFound", func(t *testing.T) {
+		updateData := maps.MapStrAny{"name": "Test"}
+		err := testProvider.UpdateOAuthAccount(ctx, nonExistentProvider, nonExistentSub, updateData)
+		assert.Error(t, err)
+		assert.Contains(t, err.Error(), "oauth account not found")
+	})
+
+	t.Run("DeleteOAuthAccount_NotFound", func(t *testing.T) {
+		err := testProvider.DeleteOAuthAccount(ctx, nonExistentProvider, nonExistentSub)
+		assert.Error(t, err)
+		assert.Contains(t, err.Error(), "oauth account not found")
+	})
+
+	t.Run("DeleteUserOAuthAccounts_NonExistentUser", func(t *testing.T) {
+		nonExistentUserID := "nonexistent_user_" + testUUID
+		err := testProvider.DeleteUserOAuthAccounts(ctx, nonExistentUserID)
+		assert.NoError(t, err) // Should not error even if user doesn't exist (cleanup operation)
+	})
+
+	t.Run("GetOAuthAccounts_EmptyResult", func(t *testing.T) {
+		param := model.QueryParam{
+			Wheres: []model.QueryWhere{
+				{Column: "provider", Value: nonExistentProvider},
+			},
+		}
+		accounts, err := testProvider.GetOAuthAccounts(ctx, param)
+		assert.NoError(t, err)
+		assert.Equal(t, 0, len(accounts)) // Empty slice, not nil
+	})
+
+	t.Run("PaginateOAuthAccounts_EmptyResult", func(t *testing.T) {
+		param := model.QueryParam{
+			Wheres: []model.QueryWhere{
+				{Column: "provider", Value: nonExistentProvider},
+			},
+		}
+		result, err := testProvider.PaginateOAuthAccounts(ctx, param, 1, 10)
+		assert.NoError(t, err)
+		assert.NotNil(t, result)
+
+		data, ok := result["data"].([]maps.MapStr)
+		assert.True(t, ok)
+		assert.Equal(t, 0, len(data))
+
+		// Handle different total types
+		totalInterface, exists := result["total"]
+		assert.True(t, exists)
+
+		var total int64
+		switch v := totalInterface.(type) {
+		case int:
+			total = int64(v)
+		case int32:
+			total = int64(v)
+		case int64:
+			total = v
+		case uint:
+			total = int64(v)
+		case uint32:
+			total = int64(v)
+		case uint64:
+			total = int64(v)
+		default:
+			t.Errorf("unexpected total type: %T, value: %v", totalInterface, totalInterface)
+		}
+		assert.Equal(t, int64(0), total)
+	})
+
+	t.Run("CreateOAuthAccount_InvalidUserID", func(t *testing.T) {
+		oauthData := maps.MapStrAny{
+			"provider": "google",
+			"sub":      "test_sub_" + testUUID,
+			"email":    "test_" + testUUID + "@gmail.com",
+		}
+
+		// Note: Currently this does not fail due to foreign key constraints not being enforced
+		// In a production environment, this should be validated at the application level
+		_, err := testProvider.CreateOAuthAccount(ctx, "nonexistent_user_id", oauthData)
+		if err != nil {
+			// If foreign key constraints are enforced, this should fail
+			assert.Error(t, err)
+		} else {
+			// If no constraints, creation succeeds but user_id is invalid
+			// This is acceptable behavior for this test environment
+			assert.NoError(t, err)
+		}
+	})
+
+	t.Run("UpdateOAuthAccount_EmptyData", func(t *testing.T) {
+		// Test with empty update data (should not error, just do nothing)
+		emptyData := maps.MapStrAny{}
+		err := testProvider.UpdateOAuthAccount(ctx, "google", "test_sub", emptyData)
+		assert.NoError(t, err) // Should not error, just skip update
+	})
+
+	t.Run("CountOAuthAccounts_ComplexFilters", func(t *testing.T) {
+		param := model.QueryParam{
+			Wheres: []model.QueryWhere{
+				{Column: "provider", OP: "in", Value: []interface{}{"google", "github", "apple"}},
+				{Column: "is_active", Value: true},
+				{Column: "email_verified", Value: true},
+			},
+		}
+		count, err := testProvider.CountOAuthAccounts(ctx, param)
+		assert.NoError(t, err)
+		assert.GreaterOrEqual(t, count, int64(0)) // Should handle complex filters without error
+	})
+}
diff --git a/openapi/oauth/providers/user/user_basic_test.go b/openapi/oauth/providers/user/user_basic_test.go
index e578517a..8ec669d3 100644
--- a/openapi/oauth/providers/user/user_basic_test.go
+++ b/openapi/oauth/providers/user/user_basic_test.go
@@ -2,8 +2,10 @@ package user_test
 
 import (
 	"context"
+	"strings"
 	"testing"
 
+	"github.com/google/uuid"
 	"github.com/stretchr/testify/assert"
 	"github.com/yaoapp/kun/maps"
 )
@@ -14,12 +16,15 @@ func TestUserBasicOperations(t *testing.T) {
 
 	ctx := context.Background()
 
+	// Use UUID to ensure unique identifiers
+	testUUID := strings.ReplaceAll(uuid.New().String(), "-", "")[:8] // 8 char UUID
+
 	// Create test user data dynamically
 	testUser := &TestUserData{
-		PreferredUsername: "testuser001",
-		Email:             "testuser001@example.com",
+		PreferredUsername: "testuser" + testUUID,
+		Email:             "testuser" + testUUID + "@example.com",
 		Password:          "TestPass123!",
-		Name:              "Test User 001",
+		Name:              "Test User " + testUUID,
 		GivenName:         "Test",
 		FamilyName:        "User",
 		Status:            "active",
@@ -234,7 +239,9 @@ func TestUserErrorHandling(t *testing.T) {
 	defer clean()
 
 	ctx := context.Background()
-	nonExistentUserID := "non-existent-user-id"
+	// Use UUID to avoid conflicts
+	testUUID := strings.ReplaceAll(uuid.New().String(), "-", "")[:8]
+	nonExistentUserID := "non-existent-user-id-" + testUUID
 
 	t.Run("GetUser_NotFound", func(t *testing.T) {
 		_, err := testProvider.GetUser(ctx, nonExistentUserID)
diff --git a/openapi/oauth/providers/user/user_test.go b/openapi/oauth/providers/user/user_test.go
index 953bd542..7a404458 100644
--- a/openapi/oauth/providers/user/user_test.go
+++ b/openapi/oauth/providers/user/user_test.go
@@ -96,11 +96,32 @@ func cleanupTestData() {
 		return
 	}
 
-	m := model.Select("__yao.user")
+	// Use DestroyWhere (hard delete) to avoid soft delete complications
+	// Clean OAuth accounts first (due to foreign key constraints)
+	oauthModel := model.Select("__yao.user_oauth_account")
+	oauthPatterns := []string{
+		"%oauth_test%", "%_list_%", "%oauthlist%", "%oautherror%",
+		"%google_%", "%github_%", "%apple_%", "%_delete_%",
+		"%discord_%", "%linkedin_%", "%twitter_%",
+	}
+	for _, pattern := range oauthPatterns {
+		oauthModel.DestroyWhere(model.QueryParam{
+			Wheres: []model.QueryWhere{
+				{Column: "sub", OP: "like", Value: pattern},
+			},
+		})
+	}
 
-	// Delete test users by pattern
-	for _, pattern := range []string{"test-user-%", "test_%"} {
-		m.DeleteWhere(model.QueryParam{
+	// Clean users
+	userModel := model.Select("__yao.user")
+
+	// Delete test users by pattern (using hard delete)
+	userPatterns := []string{
+		"test-%", "test_%", "%testuser%", "%oauthtest%", "%oauthlist%",
+		"%oautherror%", "%deletetest%",
+	}
+	for _, pattern := range userPatterns {
+		userModel.DestroyWhere(model.QueryParam{
 			Wheres: []model.QueryWhere{
 				{Column: "user_id", OP: "like", Value: pattern},
 			},
@@ -108,11 +129,14 @@ func cleanupTestData() {
 	}
 
 	// Also clean by username pattern
-	m.DeleteWhere(model.QueryParam{
-		Wheres: []model.QueryWhere{
-			{Column: "preferred_username", OP: "like", Value: "testuser%"},
-		},
-	})
+	usernamePatterns := []string{"testuser%", "%oauth_%", "%deletetest%"}
+	for _, pattern := range usernamePatterns {
+		userModel.DestroyWhere(model.QueryParam{
+			Wheres: []model.QueryWhere{
+				{Column: "preferred_username", OP: "like", Value: pattern},
+			},
+		})
+	}
 }
 
 // setupTestUser creates a user in database for testing
diff --git a/openapi/oauth/types/interfaces.go b/openapi/oauth/types/interfaces.go
index d2a7d99f..591f9b9b 100644
--- a/openapi/oauth/types/interfaces.go
+++ b/openapi/oauth/types/interfaces.go
@@ -197,6 +197,7 @@ type UserProvider interface {
 	GetUserOAuthAccounts(ctx context.Context, userID string) ([]maps.MapStrAny, error)
 	UpdateOAuthAccount(ctx context.Context, provider string, subject string, oauthData maps.MapStrAny) error
 	DeleteOAuthAccount(ctx context.Context, provider string, subject string) error
+	DeleteUserOAuthAccounts(ctx context.Context, userID string) error
 
 	GetOAuthAccounts(ctx context.Context, param model.QueryParam) ([]maps.MapStr, error)
 	PaginateOAuthAccounts(ctx context.Context, param model.QueryParam, page int, pagesize int) (maps.MapStr, error)