diff --git a/Example/BloctoSDK/Utilities/ErrorHandler.swift b/Example/BloctoSDK/Utilities/ErrorHandler.swift
index 9344caa..434da2b 100644
--- a/Example/BloctoSDK/Utilities/ErrorHandler.swift
+++ b/Example/BloctoSDK/Utilities/ErrorHandler.swift
@@ -45,7 +45,7 @@ enum ErrorHandler {
             case .userNotMatch:
                 label.text = "user not matched."
             case .ethSignInvalidHexString:
-                label.text = "input text should be hex string with 0x prefix."
+                label.text = "input text invalid, should be hex string with 0x prefix."
             case .userCancel:
                 label.text = "user canceled."
             case .redirectURLNotFound:
diff --git a/Sources/Core/BloctoSDK.swift b/Sources/Core/BloctoSDK.swift
index b5e4ac5..b7c25fc 100644
--- a/Sources/Core/BloctoSDK.swift
+++ b/Sources/Core/BloctoSDK.swift
@@ -225,16 +225,19 @@ public class BloctoSDK {
                 )
             } catch {
                 method.handleError(error: error)
-                do {
-                    let window = try self.getWindow?()
-                    Task(priority: .high) {
-                        await self.routeToWebSDK(window: window, method: method)
+                // would not routeToWebSDK when error occured request account
+                if self.evm.sessionId != nil {
+                    do {
+                        let window = try self.getWindow?()
+                        Task(priority: .high) {
+                            await self.routeToWebSDK(window: window, method: method)
+                        }
+                    } catch {
+                        log(
+                            enable: self.logging,
+                            message: "Window not found."
+                        )
                     }
-                } catch {
-                    log(
-                        enable: self.logging,
-                        message: "Window not found."
-                    )
                 }
             }
         }