diff --git a/src/main/java/cn/bugstack/xfg/frame/controller/UserController.java b/src/main/java/cn/bugstack/xfg/frame/controller/UserController.java
index 0ec17141f1e6b300364d03f6a0120ee3072db969..4904cbcc6ae533dbaa789535dc0a077689f0d086 100644
--- a/src/main/java/cn/bugstack/xfg/frame/controller/UserController.java
+++ b/src/main/java/cn/bugstack/xfg/frame/controller/UserController.java
@@ -43,6 +43,9 @@ public class UserController {
 
     @RequestMapping("/queryAI")
     public String queryAI() throws IOException {
+        // todo 构建ai （提示词）
+        // todo 根据上一步拿到的aichat id 创建一个session
+        // 构建请求参数
         KeySensorCompletionReq.KeySensorCompletionReqBuilder reqBuilder =
                 KeySensorCompletionReq.builder()
                 .question("请给我一个5个字")
@@ -50,7 +53,6 @@ public class UserController {
         Call<CompletionRes>  call = knowledgeCenterService.getCompletions("Bearer ragflow-djN2QwZjc0YTNlNzExZjBiYjBlNDIwMT", reqBuilder.build(), "56a8f80aa85911f08a8a42010a8e0005");
         CompletionRes completionRes = call.execute().body();
         log.info("completionRes: {}", completionRes);
-
         return "test";
     }
 
diff --git a/src/main/java/cn/bugstack/xfg/frame/domain/req/KSReq.java b/src/main/java/cn/bugstack/xfg/frame/domain/req/KSReq.java
new file mode 100644
index 0000000000000000000000000000000000000000..521f7b5341f66c884f193cbadea519088b484995
--- /dev/null
+++ b/src/main/java/cn/bugstack/xfg/frame/domain/req/KSReq.java
@@ -0,0 +1,26 @@
+package cn.bugstack.xfg.frame.domain.req;
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import java.util.List;
+import java.util.Map;
+
+/**
+ * @author Linnea
+ * @Description xx类
+ * @Date 2025/10/18
+ */
+@Data
+@NoArgsConstructor
+@AllArgsConstructor
+@Builder
+public class KSReq {
+    private String id;
+    private Map<String, String> contextInfo;
+    private List<String> sensorNameList;
+    private Map<String, String> epqInfo;
+    private String moduleName;
+}
diff --git a/src/main/java/cn/bugstack/xfg/frame/domain/req/KeySensorCompletionReq.java b/src/main/java/cn/bugstack/xfg/frame/domain/req/KeySensorCompletionReq.java
index f3bba102acfadf234d614534340e9e85a41d5a75..592e255595ab61ff243f231ed0b432aff0d8ebb6 100644
--- a/src/main/java/cn/bugstack/xfg/frame/domain/req/KeySensorCompletionReq.java
+++ b/src/main/java/cn/bugstack/xfg/frame/domain/req/KeySensorCompletionReq.java
@@ -1,7 +1,6 @@
 package cn.bugstack.xfg.frame.domain.req;
 
 import lombok.AllArgsConstructor;
-import lombok.Builder;
 import lombok.Data;
 import lombok.NoArgsConstructor;
 import lombok.experimental.SuperBuilder;
@@ -20,3 +19,4 @@ public class KeySensorCompletionReq extends CompletionBaseReq{
     private String session_id;
     private String user_id;
 }
+
diff --git a/src/main/java/cn/bugstack/xfg/frame/service/IPromptService.java b/src/main/java/cn/bugstack/xfg/frame/service/IPromptService.java
new file mode 100644
index 0000000000000000000000000000000000000000..2e2310ec2293bf1f98a995dfc539e9d408d25c14
--- /dev/null
+++ b/src/main/java/cn/bugstack/xfg/frame/service/IPromptService.java
@@ -0,0 +1,69 @@
+package cn.bugstack.xfg.frame.service;
+
+import cn.bugstack.xfg.frame.domain.req.KSReq;
+
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import java.util.stream.Collectors;
+
+/**
+ * @author Linnea
+ * @Description xx类
+ * @Date 2025/10/18
+ */
+public class IPromptService {
+    private String buildBatchPrompt(List<KSReq> ksReqs){
+        StringBuilder batchPrompt = new StringBuilder();
+
+        for (KSReq ksReq : ksReqs) {
+            String singlePrompt = buildSinglePrompt(ksReq);
+            batchPrompt.append(singlePrompt);
+            batchPrompt.append(singlePrompt);
+        }
+
+        return batchPrompt.toString();
+    }
+
+    private String buildSinglePrompt(KSReq ksReq){
+        String multiLineTemplate =
+        "【待评分的批次ID】：%s\n" +
+        "【待评分的SVID列表】：%s\n" +
+        "【该批次SVID对应的设备信息】：设备厂商：%s；设备类型：%s\n" +
+        "【该批次SVID响应的上下文为】：产品ID: %s,工艺ID: %s,其他的上下文信息: %s";
+
+        // 定义需要排除的固定字段集合
+        Set<String> excludeKeys = new HashSet<>();
+        excludeKeys.add("productID");
+        excludeKeys.add("recipeID");
+
+        String batchId = ksReq.getId();
+        String sensorNameList = String.join(",", ksReq.getSensorNameList());
+
+        Map<String, String> contextInfoMap = ksReq.getContextInfo();
+
+        String productId = ksReq.getContextInfo().get("productID");
+        String recipeId = ksReq.getContextInfo().get("recipeID");
+
+        StringBuilder otherContextIdStr = new StringBuilder();
+        for(Map.Entry<String, String> contextInfoEntry : contextInfoMap.entrySet()){
+            String key = contextInfoEntry.getKey();
+            String value = contextInfoEntry.getValue();
+            if (!excludeKeys.contains(key)) {
+                otherContextIdStr.append(key).append(":").append(value).append(", ");
+            }
+        }
+
+        return String.format(
+                multiLineTemplate
+                , batchId
+                , sensorNameList
+                , ksReq.getContextInfo().get("device_manufacturer")
+                , ksReq.getContextInfo().get("device_type")
+                , productId
+                , recipeId
+                , otherContextIdStr
+        );
+    }
+}