⬆️ https://github.com/siyuan-note/siyuan/issues/9079

app/guide/20210808180117-6v0mkxr/20200923234011-ieuun1p/20230805231614-vqn28eh/20230805231816-h1z9mpc.sy

@@ -6,7 +6,7 @@
 		"icon": "1f387",
 		"id": "20230805231816-h1z9mpc",
 		"title": "Function Features",
-		"updated": "20230805232135"
+		"updated": "20230903112409"
 	},
 	"Children": [
 		{

app/guide/20210808180117-6v0mkxr/20200923234011-ieuun1p/20230805231614-vqn28eh/20230805231816-h1z9mpc/20230805232134-3d6mx2k.sy

@@ -5,7 +5,7 @@
 	"Properties": {
 		"id": "20230805232134-3d6mx2k",
 		"title": "Search asset content",
-		"updated": "20230821123134"
+		"updated": "20230903112423"
 	},
 	"Children": [
 		{
@@ -185,6 +185,68 @@
 					]
 				}
 			]
+		},
+		{
+			"ID": "20230903112419-oart7ii",
+			"Type": "NodeParagraph",
+			"Properties": {
+				"id": "20230903112419-oart7ii",
+				"updated": "20230903112419"
+			},
+			"Children": [
+				{
+					"Type": "NodeText",
+					"Data": "​"
+				},
+				{
+					"Type": "NodeTextMark",
+					"TextMarkType": "tag",
+					"TextMarkTextContent": "Note"
+				},
+				{
+					"Type": "NodeText",
+					"Data": "​:"
+				}
+			]
+		},
+		{
+			"ID": "20230903112419-45ps71g",
+			"Type": "NodeList",
+			"ListData": {},
+			"Properties": {
+				"id": "20230903112419-45ps71g",
+				"updated": "20230903112423"
+			},
+			"Children": [
+				{
+					"ID": "20230903112419-t7iom3o",
+					"Type": "NodeListItem",
+					"ListData": {
+						"BulletChar": 42,
+						"Marker": "Kg=="
+					},
+					"Properties": {
+						"id": "20230903112419-t7iom3o",
+						"updated": "20230903112423"
+					},
+					"Children": [
+						{
+							"ID": "20230903112419-8gd73ed",
+							"Type": "NodeParagraph",
+							"Properties": {
+								"id": "20230903112419-8gd73ed",
+								"updated": "20230903112423"
+							},
+							"Children": [
+								{
+									"Type": "NodeText",
+									"Data": "Android/iOS does not support PDF asset content search"
+								}
+							]
+						}
+					]
+				}
+			]
 		}
 	]
 }

app/guide/20210808180117-czj9bvb/20200812220555-lj3enxa/20230805222417-2lj3dvk/20230805225107-qm1m2f5/20230805230218-aea8icj.sy

@@ -5,7 +5,7 @@
 	"Properties": {
 		"id": "20230805230218-aea8icj",
 		"title": "搜索资源文件内容",
-		"updated": "20230821123142"
+		"updated": "20230903112313"
 	},
 	"Children": [
 		{
@@ -187,6 +187,68 @@
 					]
 				}
 			]
+		},
+		{
+			"ID": "20230903112236-sl6rni1",
+			"Type": "NodeParagraph",
+			"Properties": {
+				"id": "20230903112236-sl6rni1",
+				"updated": "20230903112241"
+			},
+			"Children": [
+				{
+					"Type": "NodeText",
+					"Data": "​"
+				},
+				{
+					"Type": "NodeTextMark",
+					"TextMarkType": "tag",
+					"TextMarkTextContent": "注意"
+				},
+				{
+					"Type": "NodeText",
+					"Data": "​："
+				}
+			]
+		},
+		{
+			"ID": "20230903112243-pwm33kc",
+			"Type": "NodeList",
+			"ListData": {},
+			"Properties": {
+				"id": "20230903112243-pwm33kc",
+				"updated": "20230903112313"
+			},
+			"Children": [
+				{
+					"ID": "20230903112244-2ye7sed",
+					"Type": "NodeListItem",
+					"ListData": {
+						"BulletChar": 42,
+						"Marker": "Kg=="
+					},
+					"Properties": {
+						"id": "20230903112244-2ye7sed",
+						"updated": "20230903112313"
+					},
+					"Children": [
+						{
+							"ID": "20230903112244-ux44rel",
+							"Type": "NodeParagraph",
+							"Properties": {
+								"id": "20230903112244-ux44rel",
+								"updated": "20230903112313"
+							},
+							"Children": [
+								{
+									"Type": "NodeText",
+									"Data": "Android/iOS 端不支持 PDF 资源文件内容搜索"
+								}
+							]
+						}
+					]
+				}
+			]
 		}
 	]
 }

app/guide/20211226090932-5lcq56f/20211226115423-d5z1joq/20230805232636-zh0adz2/20230805232719-04mqbcx.sy

@@ -6,7 +6,7 @@
 		"icon": "1f387",
 		"id": "20230805232719-04mqbcx",
 		"title": "功能特性",
-		"updated": "20230805232932"
+		"updated": "20230805232858"
 	},
 	"Children": [
 		{

app/guide/20211226090932-5lcq56f/20211226115423-d5z1joq/20230805232636-zh0adz2/20230805232719-04mqbcx/20230805232920-5fdco36.sy

@@ -5,7 +5,7 @@
 	"Properties": {
 		"id": "20230805232920-5fdco36",
 		"title": "搜索資源文件內容",
-		"updated": "20230821123201"
+		"updated": "20230903112449"
 	},
 	"Children": [
 		{
@@ -190,6 +190,68 @@
 					]
 				}
 			]
+		},
+		{
+			"ID": "20230903112449-zvenj8x",
+			"Type": "NodeParagraph",
+			"Properties": {
+				"id": "20230903112449-zvenj8x",
+				"updated": "20230903112449"
+			},
+			"Children": [
+				{
+					"Type": "NodeText",
+					"Data": "​"
+				},
+				{
+					"Type": "NodeTextMark",
+					"TextMarkType": "tag",
+					"TextMarkTextContent": "注意"
+				},
+				{
+					"Type": "NodeText",
+					"Data": "​："
+				}
+			]
+		},
+		{
+			"ID": "20230903112449-mq7jbfe",
+			"Type": "NodeList",
+			"ListData": {},
+			"Properties": {
+				"id": "20230903112449-mq7jbfe",
+				"updated": "20230903112449"
+			},
+			"Children": [
+				{
+					"ID": "20230903112449-ihee8jo",
+					"Type": "NodeListItem",
+					"ListData": {
+						"BulletChar": 42,
+						"Marker": "Kg=="
+					},
+					"Properties": {
+						"id": "20230903112449-ihee8jo",
+						"updated": "20230903112449"
+					},
+					"Children": [
+						{
+							"ID": "20230903112449-v6wir40",
+							"Type": "NodeParagraph",
+							"Properties": {
+								"id": "20230903112449-v6wir40",
+								"updated": "20230903112449"
+							},
+							"Children": [
+								{
+									"Type": "NodeText",
+									"Data": "Android/iOS 端不支持 PDF 資源文件內容搜索"
+								}
+							]
+						}
+					]
+				}
+			]
 		}
 	]
 }

kernel/model/asset_content.go

@@ -553,7 +553,8 @@ func copyTempAsset(absPath string) (ret string) {
 	filelock.RWLock.Lock()
 	defer filelock.RWLock.Unlock()
 
-	ret = filepath.Join(dir, gulu.Rand.String(7)+".docx")
+	ext := filepath.Ext(absPath)
+	ret = filepath.Join(dir, gulu.Rand.String(7)+ext)
 	if err := gulu.File.Copy(absPath, ret); nil != err {
 		logging.LogErrorf("copy [src=%s, dest=%s] failed: %s", absPath, ret, err)
 		return
@@ -751,6 +752,11 @@ func (parser *PdfAssetParser) getTextPageWorker(id int, instance pdfium.Pdfium,
 
 // Parse will parse a PDF document using PDFium webassembly module using a worker pool
 func (parser *PdfAssetParser) Parse(absPath string) (ret *AssetParseResult) {
+	if util.ContainerIOS == util.Container || util.ContainerAndroid == util.Container {
+		// PDF asset content searching is not supported on mobile platforms
+		return
+	}
+
 	now := time.Now()
 	if !strings.HasSuffix(strings.ToLower(absPath), ".pdf") {
 		return
@@ -778,9 +784,6 @@ func (parser *PdfAssetParser) Parse(absPath string) (ret *AssetParseResult) {
 	cores := runtime.NumCPU()
 	if 4 < cores {
 		cores = 4 // Limit memory usage
-		if util.ContainerIOS == util.Container || util.ContainerAndroid == util.Container {
-			cores = 1 // Reduce the memory usage of PDF asset file content parsing on the mobile https://github.com/siyuan-note/siyuan/issues/9079
-		}
 	}
 
 	pool, err := webassembly.Init(webassembly.Config{