diff --git a/apps/backend/src/services/platforms/kuaishou-industry/consume-callback-service.ts b/apps/backend/src/services/platforms/kuaishou-industry/consume-callback-service.ts
index d2c136ae..7e96bc8b 100644
--- a/apps/backend/src/services/platforms/kuaishou-industry/consume-callback-service.ts
+++ b/apps/backend/src/services/platforms/kuaishou-industry/consume-callback-service.ts
@@ -58,6 +58,7 @@ export async function consumeCallback(
     apiMethod: 'integration.callback.virtual.eticket.consume',
     path: '/integration/callback/virtual/eticket/consume',
     bizParams,
+    disableDefaultLog: true,
     ...(input.sellerId ? { sellerId: input.sellerId } : {}),
     onRequest: (request) => {
       logInfo('[kuaishou-industry/consume-callback]', `发起核销回调 oid=${input.oid}`, {
diff --git a/apps/backend/src/services/platforms/kuaishou-industry/destroy-callback-service.ts b/apps/backend/src/services/platforms/kuaishou-industry/destroy-callback-service.ts
index c234b657..a4a49fca 100644
--- a/apps/backend/src/services/platforms/kuaishou-industry/destroy-callback-service.ts
+++ b/apps/backend/src/services/platforms/kuaishou-industry/destroy-callback-service.ts
@@ -41,6 +41,7 @@ export async function destroyCallback(
     apiMethod: 'integration.callback.virtual.eticket.destroy',
     path: '/integration/callback/virtual/eticket/destroy',
     bizParams,
+    disableDefaultLog: true,
     ...(input.sellerId ? { sellerId: input.sellerId } : {}),
     onRequest: (request) => {
       logInfo('[kuaishou-industry/destroy-callback]', `发起销毁回调 oid=${input.oid}`, {
diff --git a/apps/backend/src/services/platforms/kuaishou-industry/openapi-client.ts b/apps/backend/src/services/platforms/kuaishou-industry/openapi-client.ts
index 792224c9..b3fa17c7 100644
--- a/apps/backend/src/services/platforms/kuaishou-industry/openapi-client.ts
+++ b/apps/backend/src/services/platforms/kuaishou-industry/openapi-client.ts
@@ -1,6 +1,7 @@
 import { getKuaishouIndustryConfig } from './config.js'
 import { signKuaishouIndustryPayload, type SignMethod } from './crypto.js'
 import { ensureKuaishouIndustryAccessToken } from './token-service.js'
+import { logIntegration } from '../../../utils/logger.js'
 
 export type JsonObject = Record<string, any>
 
@@ -12,6 +13,7 @@ type KuaishouIndustryOpenApiCallInput = {
   sellerId?: string
   signMethod?: SignMethod
   onRequest?: (request: JsonObject) => void
+  disableDefaultLog?: boolean
 }
 
 export type KuaishouIndustryOpenApiCallResult = {
@@ -33,6 +35,11 @@ export async function requestKuaishouIndustryOpenApi(
   let config = getKuaishouIndustryConfig()
 
   if (!config.enabled) {
+    logKuaishouOpenApi(
+      input,
+      `快手 OpenAPI 未启用，跳过 ${input.apiMethod}`,
+      undefined,
+    )
     return { success: true, skippedReason: 'disabled' }
   }
 
@@ -47,6 +54,12 @@ export async function requestKuaishouIndustryOpenApi(
       accessToken: tokenResult.accessToken,
     }
   } catch (error) {
+    logKuaishouOpenApi(
+      input,
+      `快手 OpenAPI token 准备失败 ${input.apiMethod}`,
+      resolveKuaishouOpenApiErrorDetail(error),
+      'warn',
+    )
     return {
       success: false,
       skippedReason: 'token_error',
@@ -56,6 +69,12 @@ export async function requestKuaishouIndustryOpenApi(
   }
 
   if (!config.accessToken) {
+    logKuaishouOpenApi(
+      input,
+      `快手 OpenAPI accessToken 缺失 ${input.apiMethod}`,
+      undefined,
+      'warn',
+    )
     return {
       success: false,
       skippedReason: 'missing_access_token',
@@ -91,6 +110,7 @@ export async function requestKuaishouIndustryOpenApi(
   })
 
   input.onRequest?.(requestLog)
+  logKuaishouOpenApi(input, `发起快手 OpenAPI ${input.apiMethod}`, requestLog)
 
   try {
     const startedAt = Date.now()
@@ -110,19 +130,44 @@ export async function requestKuaishouIndustryOpenApi(
     }
 
     const durationMs = Date.now() - startedAt
+    const success = res.ok && Number(json.result) === 1
+    logKuaishouOpenApi(
+      input,
+      success
+        ? `快手 OpenAPI 调用成功 ${input.apiMethod}`
+        : `快手 OpenAPI 调用失败 ${input.apiMethod}`,
+      {
+        durationMs,
+        httpStatus: res.status,
+        request: requestLog,
+        response: json,
+      },
+      success ? 'info' : 'warn',
+    )
+
     return {
-      success: res.ok && Number(json.result) === 1,
+      success,
       response: json,
       request: requestLog,
       durationMs,
       httpStatus: res.status,
     }
   } catch (error) {
+    const errorDetail = resolveKuaishouOpenApiErrorDetail(error)
+    logKuaishouOpenApi(
+      input,
+      `快手 OpenAPI 调用异常 ${input.apiMethod}`,
+      {
+        ...errorDetail,
+        request: requestLog,
+      },
+      'warn',
+    )
     return {
       success: false,
       error: error instanceof Error ? error.message : String(error),
       request: requestLog,
-      errorDetail: resolveKuaishouOpenApiErrorDetail(error),
+      errorDetail,
     }
   }
 }
@@ -193,3 +238,16 @@ function normalizeOpenApiPath(value: unknown): string {
   }
   return path.startsWith('/') ? path : `/${path}`
 }
+
+function logKuaishouOpenApi(
+  input: Pick<KuaishouIndustryOpenApiCallInput, 'apiMethod' | 'disableDefaultLog'>,
+  message: string,
+  detail?: JsonObject,
+  level: 'info' | 'warn' | 'error' = 'info',
+) {
+  if (input.disableDefaultLog) {
+    return
+  }
+
+  logIntegration('[kuaishou-industry/openapi]', message, detail, { level })
+}
diff --git a/apps/backend/src/services/platforms/kuaishou-industry/send-callback-service.ts b/apps/backend/src/services/platforms/kuaishou-industry/send-callback-service.ts
index b7ca24ad..633e44c8 100644
--- a/apps/backend/src/services/platforms/kuaishou-industry/send-callback-service.ts
+++ b/apps/backend/src/services/platforms/kuaishou-industry/send-callback-service.ts
@@ -49,6 +49,7 @@ export async function sendCallback(input: SendCallbackInput): Promise<{ success:
     apiMethod: 'integration.callback.virtual.eticket.send',
     path: '/integration/callback/virtual/eticket/send',
     bizParams,
+    disableDefaultLog: true,
     ...(input.sellerId ? { sellerId: input.sellerId } : {}),
     onRequest: (request) => {
       const requestLog = {