diff --git a/lib/common/rust/api/unp4k_api.dart b/lib/common/rust/api/unp4k_api.dart
index 35f6365..12ab0b7 100644
--- a/lib/common/rust/api/unp4k_api.dart
+++ b/lib/common/rust/api/unp4k_api.dart
@@ -63,13 +63,8 @@ Future<String> dcbRecordToXmlByIndex({required BigInt index}) =>
     RustLib.instance.api.crateApiUnp4KApiDcbRecordToXmlByIndex(index: index);
 
 /// 全文搜索 DCB 记录
-Future<List<DcbSearchResult>> dcbSearchAll({
-  required String query,
-  required BigInt maxResults,
-}) => RustLib.instance.api.crateApiUnp4KApiDcbSearchAll(
-  query: query,
-  maxResults: maxResults,
-);
+Future<List<DcbSearchResult>> dcbSearchAll({required String query}) =>
+    RustLib.instance.api.crateApiUnp4KApiDcbSearchAll(query: query);
 
 /// 导出 DCB 到磁盘
 /// merge: true = 合并为单个 XML，false = 分离为多个 XML 文件
diff --git a/lib/common/rust/frb_generated.dart b/lib/common/rust/frb_generated.dart
index 4951ae0..77745bb 100644
--- a/lib/common/rust/frb_generated.dart
+++ b/lib/common/rust/frb_generated.dart
@@ -116,7 +116,6 @@ abstract class RustLibApi extends BaseApi {
 
   Future<List<DcbSearchResult>> crateApiUnp4KApiDcbSearchAll({
     required String query,
-    required BigInt maxResults,
   });
 
   Future<List<String>> crateApiHttpApiDnsLookupIps({required String host});
@@ -693,35 +692,26 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
   @override
   Future<List<DcbSearchResult>> crateApiUnp4KApiDcbSearchAll({
     required String query,
-    required BigInt maxResults,
   }) {
     return handler.executeNormal(
       NormalTask(
         callFfi: (port_) {
           var arg0 = cst_encode_String(query);
-          var arg1 = cst_encode_usize(maxResults);
-          return wire.wire__crate__api__unp4k_api__dcb_search_all(
-            port_,
-            arg0,
-            arg1,
-          );
+          return wire.wire__crate__api__unp4k_api__dcb_search_all(port_, arg0);
         },
         codec: DcoCodec(
           decodeSuccessData: dco_decode_list_dcb_search_result,
           decodeErrorData: dco_decode_AnyhowException,
         ),
         constMeta: kCrateApiUnp4KApiDcbSearchAllConstMeta,
-        argValues: [query, maxResults],
+        argValues: [query],
         apiImpl: this,
       ),
     );
   }
 
   TaskConstMeta get kCrateApiUnp4KApiDcbSearchAllConstMeta =>
-      const TaskConstMeta(
-        debugName: "dcb_search_all",
-        argNames: ["query", "maxResults"],
-      );
+      const TaskConstMeta(debugName: "dcb_search_all", argNames: ["query"]);
 
   @override
   Future<List<String>> crateApiHttpApiDnsLookupIps({required String host}) {
diff --git a/lib/common/rust/frb_generated.io.dart b/lib/common/rust/frb_generated.io.dart
index 74ba715..b38ab1a 100644
--- a/lib/common/rust/frb_generated.io.dart
+++ b/lib/common/rust/frb_generated.io.dart
@@ -1450,13 +1450,8 @@ class RustLibWire implements BaseWire {
   void wire__crate__api__unp4k_api__dcb_search_all(
     int port_,
     ffi.Pointer<wire_cst_list_prim_u_8_strict> query,
-    int max_results,
   ) {
-    return _wire__crate__api__unp4k_api__dcb_search_all(
-      port_,
-      query,
-      max_results,
-    );
+    return _wire__crate__api__unp4k_api__dcb_search_all(port_, query);
   }
 
   late final _wire__crate__api__unp4k_api__dcb_search_allPtr =
@@ -1465,7 +1460,6 @@ class RustLibWire implements BaseWire {
           ffi.Void Function(
             ffi.Int64,
             ffi.Pointer<wire_cst_list_prim_u_8_strict>,
-            ffi.UintPtr,
           )
         >
       >(
@@ -1474,7 +1468,7 @@ class RustLibWire implements BaseWire {
   late final _wire__crate__api__unp4k_api__dcb_search_all =
       _wire__crate__api__unp4k_api__dcb_search_allPtr
           .asFunction<
-            void Function(int, ffi.Pointer<wire_cst_list_prim_u_8_strict>, int)
+            void Function(int, ffi.Pointer<wire_cst_list_prim_u_8_strict>)
           >();
 
   void wire__crate__api__http_api__dns_lookup_ips(
diff --git a/lib/provider/dcb_viewer.dart b/lib/provider/dcb_viewer.dart
index 4b3fb1e..b61503e 100644
--- a/lib/provider/dcb_viewer.dart
+++ b/lib/provider/dcb_viewer.dart
@@ -261,7 +261,7 @@ class DcbViewerModel extends _$DcbViewerModel {
     state = state.copyWith(isSearching: true, fullTextSearchQuery: query, viewMode: DcbViewMode.searchResults);
 
     try {
-      final apiResults = await unp4k_api.dcbSearchAll(query: query, maxResults: BigInt.from(1000000));
+      final apiResults = await unp4k_api.dcbSearchAll(query: query);
 
       // 转换为本地数据类型
       final results = apiResults.map((r) {
diff --git a/lib/provider/dcb_viewer.g.dart b/lib/provider/dcb_viewer.g.dart
index 02b8eea..a5d3e03 100644
--- a/lib/provider/dcb_viewer.g.dart
+++ b/lib/provider/dcb_viewer.g.dart
@@ -41,7 +41,7 @@ final class DcbViewerModelProvider
   }
 }
 
-String _$dcbViewerModelHash() => r'94c3542282f64917efadbe14a0ee4967220bec77';
+String _$dcbViewerModelHash() => r'f0af2a7b4451f746288e2c9565a418af80f58835';
 
 abstract class _$DcbViewerModel extends $Notifier<DcbViewerState> {
   DcbViewerState build();
diff --git a/rust/Cargo.lock b/rust/Cargo.lock
index 1d9232b..56d3df8 100644
--- a/rust/Cargo.lock
+++ b/rust/Cargo.lock
@@ -4916,6 +4916,7 @@ dependencies = [
  "once_cell",
  "ort",
  "parking_lot",
+ "rayon",
  "reqwest",
  "scopeguard",
  "serde",
diff --git a/rust/Cargo.toml b/rust/Cargo.toml
index d6d3e2f..2e03f9c 100644
--- a/rust/Cargo.toml
+++ b/rust/Cargo.toml
@@ -34,6 +34,7 @@ serde = { version = "1.0.228", features = ["derive"] }
 unp4k_rs = { git = "https://github.com/StarCitizenToolBox/unp4k_rs", rev = "29430002d6f3a8d87feabac26c03ae0311c81263" }
 #unp4k_rs = { path = "../../unp4k_rs" }
 uuid = { version = "1.19.0", features = ["v4"] }
+rayon = "1.10"
 parking_lot = "0.12.5"
 crossbeam-channel = "0.5.15"
 librqbit = { git = "https://github.com/StarCitizenToolBox/rqbit", rev = "f8c0b0927904e1d8b0e28e708bd69fd8069d413a" }
diff --git a/rust/src/api/unp4k_api.rs b/rust/src/api/unp4k_api.rs
index 6935ba3..3863c00 100644
--- a/rust/src/api/unp4k_api.rs
+++ b/rust/src/api/unp4k_api.rs
@@ -1,5 +1,6 @@
 use anyhow::{anyhow, Result};
 use flutter_rust_bridge::frb;
+use rayon::prelude::*;
 use std::collections::HashMap;
 use std::path::PathBuf;
 use std::sync::{Arc, Mutex};
@@ -329,7 +330,7 @@ pub struct DcbSearchMatch {
 }
 
 /// 全文搜索 DCB 记录
-pub async fn dcb_search_all(query: String, max_results: usize) -> Result<Vec<DcbSearchResult>> {
+pub async fn dcb_search_all(query: String) -> Result<Vec<DcbSearchResult>> {
     tokio::task::spawn_blocking(move || {
         let reader = GLOBAL_DCB_READER.lock().unwrap();
         let df = reader
@@ -337,48 +338,58 @@ pub async fn dcb_search_all(query: String, max_results: usize) -> Result<Vec<Dcb
             .ok_or_else(|| anyhow!("DCB reader not initialized"))?;
 
         let query_lower = query.to_lowercase();
-        let mut results = Vec::new();
 
-        for (path, &index) in df.path_to_record() {
-            if results.len() >= max_results {
-                break;
-            }
+        // 收集所有记录路径和索引
+        let records: Vec<(String, usize)> = df
+            .path_to_record()
+            .iter()
+            .map(|(path, &index)| (path.clone(), index))
+            .collect();
 
-            // 先检查路径是否匹配
-            let path_matches = path.to_lowercase().contains(&query_lower);
+        // 使用 rayon 并发搜索
+        let mut results: Vec<DcbSearchResult> = records
+            .par_iter()
+            .filter_map(|(path, index)| {
+                // 先检查路径是否匹配
+                let path_matches = path.to_lowercase().contains(&query_lower);
 
-            // 尝试获取 XML 并搜索内容
-            if let Ok(xml) = df.record_to_xml_by_index(index, true) {
-                let mut matches = Vec::new();
+                // 尝试获取 XML 并搜索内容
+                if let Ok(xml) = df.record_to_xml_by_index(*index, true) {
+                    let mut matches = Vec::new();
 
-                for (line_num, line) in xml.lines().enumerate() {
-                    if line.to_lowercase().contains(&query_lower) {
-                        let line_content = if line.len() > 200 {
-                            format!("{}...", &line[..200])
-                        } else {
-                            line.to_string()
-                        };
-                        matches.push(DcbSearchMatch {
-                            line_number: line_num + 1,
-                            line_content,
-                        });
+                    for (line_num, line) in xml.lines().enumerate() {
+                        if line.to_lowercase().contains(&query_lower) {
+                            let line_content = if line.len() > 200 {
+                                format!("{}...", &line[..200])
+                            } else {
+                                line.to_string()
+                            };
+                            matches.push(DcbSearchMatch {
+                                line_number: line_num + 1,
+                                line_content,
+                            });
 
-                        // 每条记录最多保留 5 个匹配
-                        if matches.len() >= 5 {
-                            break;
+                            // 每条记录最多保留 5 个匹配
+                            if matches.len() >= 5 {
+                                break;
+                            }
                         }
                     }
-                }
 
-                if path_matches || !matches.is_empty() {
-                    results.push(DcbSearchResult {
-                        path: path.clone(),
-                        index,
-                        matches,
-                    });
+                    if path_matches || !matches.is_empty() {
+                        return Some(DcbSearchResult {
+                            path: path.clone(),
+                            index: *index,
+                            matches,
+                        });
+                    }
                 }
-            }
-        }
+                None
+            })
+            .collect();
+
+        // 按路径排序以保持结果稳定性
+        results.sort_by(|a, b| a.path.cmp(&b.path));
 
         Ok(results)
     })
diff --git a/rust/src/frb_generated.rs b/rust/src/frb_generated.rs
index 3f15a95..bafc977 100644
--- a/rust/src/frb_generated.rs
+++ b/rust/src/frb_generated.rs
@@ -332,7 +332,6 @@ fn wire__crate__api__unp4k_api__dcb_record_to_xml_by_index_impl(
 fn wire__crate__api__unp4k_api__dcb_search_all_impl(
     port_: flutter_rust_bridge::for_generated::MessagePort,
     query: impl CstDecode<String>,
-    max_results: impl CstDecode<usize>,
 ) {
     FLUTTER_RUST_BRIDGE_HANDLER.wrap_async::<flutter_rust_bridge::for_generated::DcoCodec, _, _, _>(
         flutter_rust_bridge::for_generated::TaskInfo {
@@ -342,13 +341,10 @@ fn wire__crate__api__unp4k_api__dcb_search_all_impl(
         },
         move || {
             let api_query = query.cst_decode();
-            let api_max_results = max_results.cst_decode();
             move |context| async move {
                 transform_result_dco::<_, _, flutter_rust_bridge::for_generated::anyhow::Error>(
                     (move || async move {
-                        let output_ok =
-                            crate::api::unp4k_api::dcb_search_all(api_query, api_max_results)
-                                .await?;
+                        let output_ok = crate::api::unp4k_api::dcb_search_all(api_query).await?;
                         Ok(output_ok)
                     })()
                     .await,
@@ -4649,9 +4645,8 @@ mod io {
     pub extern "C" fn frbgen_starcitizen_doctor_wire__crate__api__unp4k_api__dcb_search_all(
         port_: i64,
         query: *mut wire_cst_list_prim_u_8_strict,
-        max_results: usize,
     ) {
-        wire__crate__api__unp4k_api__dcb_search_all_impl(port_, query, max_results)
+        wire__crate__api__unp4k_api__dcb_search_all_impl(port_, query)
     }
 
     #[unsafe(no_mangle)]