diff --git a/src/components/olmap/BurstLocation/AnalysisParameters.tsx b/src/components/olmap/BurstLocation/AnalysisParameters.tsx
index bc2befd..ac5f105 100644
--- a/src/components/olmap/BurstLocation/AnalysisParameters.tsx
+++ b/src/components/olmap/BurstLocation/AnalysisParameters.tsx
@@ -28,6 +28,7 @@ import { NETWORK_NAME, config } from "@config/config";
 import { useControllableObjectState } from "@components/olmap/core/useControllableState";
 import { FLOW_DISPLAY_UNIT, toM3s } from "@utils/units";
 import { BurstLocationResult } from "./types";
+import { getBurstLocationErrorNotice } from "./burstLocationError";
 
 interface Props {
   onResult: (result: BurstLocationResult) => void;
@@ -262,11 +263,12 @@ const AnalysisParameters: React.FC<Props> = ({
         description: `定位到管段: ${(response.data as BurstLocationResult).located_pipe}`,
       });
     } catch (error: any) {
+      const notice = getBurstLocationErrorNotice(error);
       open?.({
         key: "burst-location-analysis-error",
         type: "error",
-        message: "提交分析失败",
-        description: error?.response?.data?.detail ?? error?.message ?? "请求失败",
+        message: notice.message,
+        description: notice.description,
       });
     } finally {
       setRunning(false);
@@ -303,22 +305,30 @@ const AnalysisParameters: React.FC<Props> = ({
             </Select>
           </FormControl>
           <Alert
-            severity="info"
+            severity={isSimulationMode ? "warning" : "info"}
             variant="outlined"
             sx={{
               mt: 1,
               alignItems: "flex-start",
-              borderColor: "info.light",
-              backgroundColor: "#eff6ff",
+              borderColor: isSimulationMode ? "warning.light" : "info.light",
+              backgroundColor: isSimulationMode ? "#fff8e1" : "#eff6ff",
               "& .MuiAlert-message": { width: "100%" },
             }}
           >
-            <Typography variant="caption" className="block font-semibold text-blue-900">
-              数据选择规则
+            <Typography
+              variant="caption"
+              className="block font-semibold"
+              sx={{ color: isSimulationMode ? "warning.dark" : "info.dark" }}
+            >
+              {isSimulationMode ? "模拟方案分析前置条件" : "数据选择规则"}
             </Typography>
-            <Typography variant="caption" className="block leading-5 text-blue-800">
+            <Typography
+              variant="caption"
+              className="block leading-5"
+              sx={{ color: isSimulationMode ? "warning.dark" : "info.dark" }}
+            >
               {isSimulationMode
-                ? "当前为模拟方案：爆管数据取所选方案模拟结果，正常数据取实时模拟结果，两者使用同一爆管时间窗。"
+                ? "爆管数据取所选方案，正常数据取同一时间窗的实时模拟结果。所选时间窗必须已有实时模拟正常基线，否则无法分析；系统不会自动补数据。"
                 : "当前为监测数据：爆管数据取所选监测时间窗，正常数据默认取前一天同一时段的监测数据。"}
             </Typography>
           </Alert>
diff --git a/src/components/olmap/BurstLocation/burstLocationError.test.ts b/src/components/olmap/BurstLocation/burstLocationError.test.ts
new file mode 100644
index 0000000..ae7b620
--- /dev/null
+++ b/src/components/olmap/BurstLocation/burstLocationError.test.ts
@@ -0,0 +1,45 @@
+import { getBurstLocationErrorNotice } from "./burstLocationError";
+
+describe("getBurstLocationErrorNotice", () => {
+  it("explains a missing realtime normal-pressure baseline", () => {
+    const notice = getBurstLocationErrorNotice({
+      response: {
+        data: {
+          detail: "正常压力数据 在时间窗内无有效模拟数据: 10186",
+        },
+      },
+    });
+
+    expect(notice.message).toBe("缺少正常模拟基线");
+    expect(notice.description).toContain("实时模拟正常压力数据");
+    expect(notice.description).toContain("10186");
+    expect(notice.description).toContain("系统不会自动补数据");
+  });
+
+  it("distinguishes incomplete burst-scheme data", () => {
+    const notice = getBurstLocationErrorNotice({
+      response: {
+        data: {
+          detail: "爆管压力数据 在时间窗内无有效模拟数据: 10186",
+        },
+      },
+    });
+
+    expect(notice).toEqual({
+      message: "所选方案数据不完整",
+      description:
+        "所选方案时间窗内没有可用的爆管压力数据，缺失点位：10186。请选择数据完整的模拟方案。",
+    });
+  });
+
+  it("preserves unrelated backend details", () => {
+    expect(
+      getBurstLocationErrorNotice({
+        response: { data: { detail: "分析参数不合法" } },
+      }),
+    ).toEqual({
+      message: "提交分析失败",
+      description: "分析参数不合法",
+    });
+  });
+});
diff --git a/src/components/olmap/BurstLocation/burstLocationError.ts b/src/components/olmap/BurstLocation/burstLocationError.ts
new file mode 100644
index 0000000..cb8be8e
--- /dev/null
+++ b/src/components/olmap/BurstLocation/burstLocationError.ts
@@ -0,0 +1,50 @@
+export interface BurstLocationErrorNotice {
+  message: string;
+  description: string;
+}
+
+const DATA_GAP_PATTERN =
+  /^(爆管压力数据|正常压力数据|爆管流量数据|正常流量数据) 在时间窗内无有效模拟数据: (.+)$/;
+
+const extractErrorDetail = (error: unknown): string => {
+  const candidate = error as {
+    message?: string;
+    response?: { data?: { detail?: unknown } };
+  };
+  const detail = candidate?.response?.data?.detail;
+
+  if (typeof detail === "string" && detail.trim()) {
+    return detail.trim();
+  }
+  if (typeof candidate?.message === "string" && candidate.message.trim()) {
+    return candidate.message.trim();
+  }
+  return "请求失败";
+};
+
+export const getBurstLocationErrorNotice = (
+  error: unknown,
+): BurstLocationErrorNotice => {
+  const detail = extractErrorDetail(error);
+  const match = detail.match(DATA_GAP_PATTERN);
+
+  if (!match) {
+    return {
+      message: "提交分析失败",
+      description: detail,
+    };
+  }
+
+  const [, dataLabel, missingIds] = match;
+  if (dataLabel.startsWith("正常")) {
+    return {
+      message: "缺少正常模拟基线",
+      description: `所选方案时间窗内没有可用的实时模拟${dataLabel}，缺失点位：${missingIds}。请选择已有正常基线覆盖的方案或时间窗，系统不会自动补数据。`,
+    };
+  }
+
+  return {
+    message: "所选方案数据不完整",
+    description: `所选方案时间窗内没有可用的${dataLabel}，缺失点位：${missingIds}。请选择数据完整的模拟方案。`,
+  };
+};