diff --git a/internal/push/offlinepush/fcm/push.go b/internal/push/offlinepush/fcm/push.go
index 8145d4c17..1bbba4bd0 100644
--- a/internal/push/offlinepush/fcm/push.go
+++ b/internal/push/offlinepush/fcm/push.go
@@ -16,6 +16,7 @@ package fcm
 
 import (
 	"context"
+	"fmt"
 	"path/filepath"
 
 	firebase "firebase.google.com/go"
@@ -39,23 +40,36 @@ type Fcm struct {
 	cache     cache.MsgModel
 }
 
-func NewClient(cache cache.MsgModel) *Fcm {
-	projectRoot := config.GetProjectRoot()
-	credentialsFilePath := filepath.Join(projectRoot, "config", config.Config.Push.Fcm.ServiceAccount)
-	opt := option.WithCredentialsFile(credentialsFilePath)
-	fcmApp, err := firebase.NewApp(context.Background(), nil, opt)
-	if err != nil {
-		return nil
-	}
+// NewClient initializes a new FCM client using the Firebase Admin SDK.
+// It requires the FCM service account credentials file located within the project's configuration directory.
+// The function returns an Fcm pointer on success, or nil and an error if initialization fails.
+func NewClient(cache cache.MsgModel) (*Fcm, error) {
+    // Attempt to get the project root directory.
+    projectRoot, err := config.GetProjectRoot()
+    if err != nil {
+        return nil, fmt.Errorf("failed to get project root: %w", err)
+    }
 
-	ctx := context.Background()
-	fcmMsgClient, err := fcmApp.Messaging(ctx)
-	if err != nil {
-		return nil
-	}
-	return &Fcm{fcmMsgCli: fcmMsgClient, cache: cache}
+    credentialsFilePath := filepath.Join(projectRoot, "config", config.Config.Push.Fcm.ServiceAccount)
+    opt := option.WithCredentialsFile(credentialsFilePath)
+
+    // Initialize the Firebase app with the specified service account credentials.
+    fcmApp, err := firebase.NewApp(context.Background(), nil, opt)
+    if err != nil {
+        return nil, fmt.Errorf("failed to initialize Firebase app: %w", err)
+    }
+
+    // Obtain the messaging client from the Firebase app.
+    ctx := context.Background()
+    fcmMsgClient, err := fcmApp.Messaging(ctx)
+    if err != nil {
+        return nil, fmt.Errorf("failed to get Firebase messaging client: %w", err)
+    }
+
+    return &Fcm{fcmMsgCli: fcmMsgClient, cache: cache}, nil
 }
 
+
 func (f *Fcm) Push(ctx context.Context, userIDs []string, title, content string, opts *offlinepush.Opts) error {
 	// accounts->registrationToken
 	allTokens := make(map[string][]string, 0)
diff --git a/internal/push/push_to_client.go b/internal/push/push_to_client.go
index 5fce34e83..9869da5e5 100644
--- a/internal/push/push_to_client.go
+++ b/internal/push/push_to_client.go
@@ -82,7 +82,7 @@ func NewOfflinePusher(cache cache.MsgModel) offlinepush.OfflinePusher {
 	case "getui":
 		offlinePusher = getui.NewClient(cache)
 	case "fcm":
-		offlinePusher = fcm.NewClient(cache)
+		offlinePusher, _ = fcm.NewClient(cache)
 	case "jpush":
 		offlinePusher = jpush.NewClient()
 	default:
diff --git a/pkg/common/cmd/api.go b/pkg/common/cmd/api.go
index 48c8863c1..64251a422 100644
--- a/pkg/common/cmd/api.go
+++ b/pkg/common/cmd/api.go
@@ -32,17 +32,29 @@ func NewApiCmd() *ApiCmd {
 	return ret
 }
 
+// AddApi configures the API command to run with specified ports for the API and Prometheus monitoring.
+// It ensures error handling for port retrieval and only proceeds if both port numbers are successfully obtained.
 func (a *ApiCmd) AddApi(f func(port int, promPort int) error) {
 	a.Command.RunE = func(cmd *cobra.Command, args []string) error {
-		return f(a.getPortFlag(cmd), a.getPrometheusPortFlag(cmd))
+		port, err := a.getPortFlag(cmd)
+		if err != nil {
+			return err
+		}
+
+		promPort, err := a.getPrometheusPortFlag(cmd)
+		if err != nil {
+			return err
+		}
+
+		return f(port, promPort)
 	}
 }
 
-func (a *ApiCmd) GetPortFromConfig(portType string) (int, error) {
+func (a *ApiCmd) GetPortFromConfig(portType string) (int,) {
 	if portType == constant.FlagPort {
-		return config2.Config.Api.OpenImApiPort[0], nil
+		return config2.Config.Api.OpenImApiPort[0]
 	} else if portType == constant.FlagPrometheusPort {
-		return config2.Config.Prometheus.ApiPrometheusPort[0], nil
+		return config2.Config.Prometheus.ApiPrometheusPort[0]
 	}
-	return 0, nil
+	return 0
 }
diff --git a/pkg/common/cmd/msg_gateway_test.go b/pkg/common/cmd/msg_gateway_test.go
index c0ea2b057..106ad74ec 100644
--- a/pkg/common/cmd/msg_gateway_test.go
+++ b/pkg/common/cmd/msg_gateway_test.go
@@ -44,7 +44,7 @@ func TestMsgGatewayCmd_GetPortFromConfig(t *testing.T) {
 	}
 	for _, tt := range tests {
 		t.Run(tt.portType, func(t *testing.T) {
-			got := msgGatewayCmd.GetPortFromConfig(tt.portType)
+			got, _ := msgGatewayCmd.GetPortFromConfig(tt.portType)
 			assert.Equal(t, tt.want, got)
 		})
 	}
diff --git a/pkg/common/config/parse.go b/pkg/common/config/parse.go
index 5314ec7a9..2233f6d0d 100644
--- a/pkg/common/config/parse.go
+++ b/pkg/common/config/parse.go
@@ -54,6 +54,23 @@ func GetDefaultConfigPath() (string, error) {
 	return configPath, nil
 }
 
+// GetProjectRoot returns the absolute path of the project root directory by navigating up from the directory
+// containing the executable. It provides a detailed error if the path cannot be determined.
+func GetProjectRoot() (string, error) {
+	executablePath, err := os.Executable()
+	if err != nil {
+		return "", errs.Wrap(err, "failed to retrieve executable path")
+	}
+
+	// Attempt to compute the project root by navigating up from the executable's directory
+	projectRoot, err := genutil.OutDir(filepath.Join(filepath.Dir(executablePath), "../../../../.."))
+	if err != nil {
+		return "", errs.Wrap(err, "failed to determine project root directory")
+	}
+
+	return projectRoot, nil
+}
+
 func GetOptionsByNotification(cfg NotificationConf) msgprocessor.Options {
 	opts := msgprocessor.NewOptions()
 
@@ -73,25 +90,36 @@ func GetOptionsByNotification(cfg NotificationConf) msgprocessor.Options {
 	return opts
 }
 
+// initConfig loads configuration from a specified path into the provided config structure.
+// If the specified config file does not exist, it attempts to load from the project's default "config" directory.
+// It logs informative messages regarding the configuration path being used.
 func initConfig(config any, configName, configFolderPath string) error {
-	configFolderPath = filepath.Join(configFolderPath, configName)
-	_, err := os.Stat(configFolderPath)
+	configFilePath := filepath.Join(configFolderPath, configName)
+	_, err := os.Stat(configFilePath)
 	if err != nil {
 		if !os.IsNotExist(err) {
-			return errs.Wrap(err, "stat config path error")
+			return errs.Wrap(err, fmt.Sprintf("failed to check existence of config file at path: %s", configFilePath))
 		}
-		configFolderPath = filepath.Join(GetProjectRoot(), "config", configName)
-		fmt.Println("flag's path,enviment's path,default path all is not exist,using project path:", configFolderPath)
+		projectRoot, err := GetProjectRoot()
+		if err != nil {
+			return err
+		}
+		configFilePath = filepath.Join(projectRoot, "config", configName)
+		fmt.Printf("Configuration file not found at specified path. Falling back to project path: %s\n", configFilePath)
 	}
-	data, err := os.ReadFile(configFolderPath)
+
+	data, err := os.ReadFile(configFilePath)
 	if err != nil {
-		return errs.Wrap(err, "read file error")
+		// Wrap and return the error if reading the configuration file fails.
+		return errs.Wrap(err, fmt.Sprintf("failed to read configuration file at path: %s", configFilePath))
 	}
+
 	if err = yaml.Unmarshal(data, config); err != nil {
-		return errs.Wrap(err, "unmarshal yaml error")
+		// Wrap and return the error if unmarshalling the YAML configuration fails.
+		return errs.Wrap(err, "failed to unmarshal YAML configuration")
 	}
-	fmt.Println("The path of the configuration file to start the process:", configFolderPath)
 
+	fmt.Printf("Configuration file loaded successfully from path: %s\n", configFilePath)
 	return nil
 }
 
@@ -107,7 +135,6 @@ func InitConfig(configFolderPath string) error {
 			var err error
 			configFolderPath, err = GetDefaultConfigPath()
 			if err != nil {
-				// Wrap and return the error if getting the default config path fails
 				return err
 			}
 		}
diff --git a/pkg/common/convert/user.go b/pkg/common/convert/user.go
index 62f80e458..4b08554df 100644
--- a/pkg/common/convert/user.go
+++ b/pkg/common/convert/user.go
@@ -17,7 +17,7 @@ package convert
 import (
 	"time"
 
-	"github.com/OpenIMSDK/protocol/sdkws"
+"github.com/OpenIMSDK/protocol/sdkws"
 
 	relationtb "github.com/openimsdk/open-im-server/v3/pkg/common/db/table/relation"
 )
diff --git a/pkg/common/db/cache/black.go b/pkg/common/db/cache/black.go
index d1abe945c..48bc3c285 100644
--- a/pkg/common/db/cache/black.go
+++ b/pkg/common/db/cache/black.go
@@ -46,11 +46,7 @@ type BlackCacheRedis struct {
 	blackDB    relationtb.BlackModelInterface
 }
 
-func NewBlackCacheRedis(
-	rdb redis.UniversalClient,
-	blackDB relationtb.BlackModelInterface,
-	options rockscache.Options,
-) BlackCache {
+func NewBlackCacheRedis(rdb redis.UniversalClient, blackDB relationtb.BlackModelInterface, options rockscache.Options) BlackCache {
 	rcClient := rockscache.NewClient(rdb, options)
 
 	return &BlackCacheRedis{
diff --git a/pkg/common/db/cache/msg.go b/pkg/common/db/cache/msg.go
index 9a4844e26..5cef509ed 100644
--- a/pkg/common/db/cache/msg.go
+++ b/pkg/common/db/cache/msg.go
@@ -24,8 +24,6 @@ import (
 
 	"github.com/openimsdk/open-im-server/v3/pkg/msgprocessor"
 
-	"github.com/OpenIMSDK/tools/errs"
-
 	"github.com/gogo/protobuf/jsonpb"
 
 	"github.com/OpenIMSDK/protocol/constant"
@@ -443,7 +441,7 @@ func (c *msgCache) PipeSetMessageToCache(ctx context.Context, conversationID str
 
 	results, err := pipe.Exec(ctx)
 	if err != nil {
-		return 0, errs.Warp(err)
+		return 0, errs.Wrap(err)
 	}
 
 	for _, res := range results {
diff --git a/pkg/rpcclient/auth.go b/pkg/rpcclient/auth.go
index 0ee021de1..810b7ae93 100644
--- a/pkg/rpcclient/auth.go
+++ b/pkg/rpcclient/auth.go
@@ -23,12 +23,13 @@ import (
 	"github.com/OpenIMSDK/tools/discoveryregistry"
 
 	"github.com/openimsdk/open-im-server/v3/pkg/common/config"
+	util "github.com/openimsdk/open-im-server/v3/pkg/util/genutil"
 )
 
 func NewAuth(discov discoveryregistry.SvcDiscoveryRegistry) *Auth {
 	conn, err := discov.GetConn(context.Background(), config.Config.RpcRegisterName.OpenImAuthName)
 	if err != nil {
-		panic(err)
+		util.ExitWithError(err)
 	}
 	client := auth.NewAuthClient(conn)
 	return &Auth{discov: discov, conn: conn, Client: client}
diff --git a/pkg/rpcclient/conversation.go b/pkg/rpcclient/conversation.go
index 6b5b3ee87..9afa45004 100644
--- a/pkg/rpcclient/conversation.go
+++ b/pkg/rpcclient/conversation.go
@@ -116,11 +116,7 @@ func (c *ConversationRpcClient) GetConversationsByConversationID(ctx context.Con
 	return resp.Conversations, nil
 }
 
-func (c *ConversationRpcClient) GetConversations(
-	ctx context.Context,
-	ownerUserID string,
-	conversationIDs []string,
-) ([]*pbconversation.Conversation, error) {
+func (c *ConversationRpcClient) GetConversations(ctx context.Context, ownerUserID string, conversationIDs []string) ([]*pbconversation.Conversation, error) {
 	if len(conversationIDs) == 0 {
 		return nil, nil
 	}