diff --git a/src/commands/configure.wizard.test.ts b/src/commands/configure.wizard.test.ts
index a078cf34136..45479361c21 100644
--- a/src/commands/configure.wizard.test.ts
+++ b/src/commands/configure.wizard.test.ts
@@ -109,6 +109,15 @@ vi.mock("./onboard-search.js", () => ({
   setupSearch: mocks.setupSearch,
 }));
 
+vi.mock("../config/mutate.js", async () => {
+  const actual = await vi.importActual<typeof import("../config/mutate.js")>("../config/mutate.js");
+  return {
+    ...actual,
+    ConfigMutationConflictError: actual.ConfigMutationConflictError,
+  };
+});
+
+import { ConfigMutationConflictError } from "../config/mutate.js";
 import { WizardCancelledError } from "../wizard/prompts.js";
 import { runConfigureWizard } from "./configure.wizard.js";
 
@@ -451,4 +460,66 @@ describe("runConfigureWizard", () => {
     );
     expect(mocks.setupSearch).toHaveBeenCalledOnce();
   });
+
+  it("retries when plugin mutates config during wizard flow (issue #64188)", async () => {
+    setupBaseWizardState();
+    queueWizardPrompts({
+      select: ["local"],
+      confirm: [],
+    });
+
+    // Simulate plugin mutation: first replaceConfigFile call throws conflict,
+    // second call after hash refresh succeeds
+    let callCount = 0;
+    const originalHash = "hash-before-plugin-mutation";
+    const newHashAfterMutation = "hash-after-plugin-mutation";
+    const finalHashAfterWrite = "hash-after-wizard-write";
+
+    mocks.replaceConfigFile.mockImplementation(async (params: { nextConfig: unknown; baseHash?: string }) => {
+      callCount++;
+      if (callCount === 1) {
+        // First call: simulate plugin mutating config during promptAuthConfig
+        expect(params.baseHash).toBe(originalHash);
+        throw new ConfigMutationConflictError("config changed since last load", {
+          currentHash: newHashAfterMutation,
+        });
+      }
+      // Second call: succeeds with refreshed hash
+      expect(params.baseHash).toBe(newHashAfterMutation);
+      await mocks.writeConfigFile(params);
+    });
+
+    // Mock readConfigFileSnapshot to return different hashes/configs on each call
+    mocks.readConfigFileSnapshot
+      .mockResolvedValueOnce({
+        ...EMPTY_CONFIG_SNAPSHOT,
+        hash: originalHash,
+        config: {},
+        sourceConfig: {},
+      })
+      .mockResolvedValueOnce({
+        ...EMPTY_CONFIG_SNAPSHOT,
+        hash: newHashAfterMutation,
+        config: { ai: { copilotToken: "plugin-wrote-this" } },
+        sourceConfig: { ai: { copilotToken: "plugin-wrote-this" } },
+        valid: true,
+      })
+      .mockResolvedValueOnce({
+        ...EMPTY_CONFIG_SNAPSHOT,
+        hash: finalHashAfterWrite,
+        config: {},
+      });
+
+    await runConfigureWizard({ command: "configure", sections: ["workspace"] }, createRuntime());
+
+    // Verify retry happened: first call threw, second call succeeded
+    expect(mocks.replaceConfigFile).toHaveBeenCalledTimes(2);
+    expect(mocks.writeConfigFile).toHaveBeenCalledTimes(1);
+    // Verify readConfigFileSnapshot was called: initial read, after conflict, after successful write
+    expect(mocks.readConfigFileSnapshot).toHaveBeenCalledTimes(3);
+
+    // Verify plugin changes were merged into the retry call's nextConfig
+    const retryCall = mocks.replaceConfigFile.mock.calls[1][0] as { nextConfig: Record<string, unknown> };
+    expect((retryCall.nextConfig as Record<string, unknown>).ai).toBeDefined();
+  });
 });
diff --git a/src/commands/configure.wizard.ts b/src/commands/configure.wizard.ts
index 21fbb37bad3..876b8a44824 100644
--- a/src/commands/configure.wizard.ts
+++ b/src/commands/configure.wizard.ts
@@ -4,6 +4,7 @@ import { describeCodexNativeWebSearch } from "../agents/codex-native-web-search.
 import { formatCliCommand } from "../cli/command-format.js";
 import { readConfigFileSnapshot, replaceConfigFile, resolveGatewayPort } from "../config/config.js";
 import { logConfigUpdated } from "../config/logging.js";
+import { ConfigMutationConflictError } from "../config/mutate.js";
 import type { OpenClawConfig } from "../config/types.openclaw.js";
 import { ensureControlUiAssetsBuilt } from "../infra/control-ui-assets.js";
 import type { RuntimeEnv } from "../runtime.js";
@@ -448,12 +449,38 @@ export async function runConfigureWizard(
         command: opts.command,
         mode,
       });
-      await replaceConfigFile({
-        nextConfig,
-        ...(currentBaseHash !== undefined ? { baseHash: currentBaseHash } : {}),
-      });
-      currentBaseHash = undefined;
-      logConfigUpdated(runtime);
+
+      // Retry loop: if config was mutated by a plugin, re-read and merge before retry
+      const maxRetries = 3;
+      for (let attempt = 0; attempt < maxRetries; attempt++) {
+        try {
+          await replaceConfigFile({
+            nextConfig,
+            ...(currentBaseHash !== undefined ? { baseHash: currentBaseHash } : {}),
+          });
+
+          // After successful write, re-read the snapshot to get the new hash
+          const freshSnapshot = await readConfigFileSnapshot();
+          currentBaseHash = freshSnapshot.hash ?? undefined;
+
+          logConfigUpdated(runtime);
+          return;
+        } catch (err) {
+          if (err instanceof ConfigMutationConflictError && attempt < maxRetries - 1) {
+            // Config was mutated externally (e.g. plugin wrote token during auth setup).
+            // Re-read the on-disk config and merge plugin changes into nextConfig so
+            // the retry won't silently overwrite them.
+            const freshSnapshot = await readConfigFileSnapshot();
+            currentBaseHash = freshSnapshot.hash ?? undefined;
+            const diskConfig = freshSnapshot.valid
+              ? (freshSnapshot.sourceConfig ?? freshSnapshot.config)
+              : {};
+            nextConfig = { ...diskConfig, ...nextConfig };
+            continue;
+          }
+          throw err;
+        }
+      }
     };
 
     const configureWorkspace = async () => {