diff --git a/Cargo.lock b/Cargo.lock
index 75fbab62..1fd1bf78 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4038,6 +4038,7 @@ dependencies = [
  "triomphe",
  "ttf-parser",
  "typst",
+ "typst-assets",
  "typst-ts-compiler",
  "typst-ts-core",
  "unscanny",
diff --git a/crates/tinymist-query/Cargo.toml b/crates/tinymist-query/Cargo.toml
index 92ca584d..815dc22c 100644
--- a/crates/tinymist-query/Cargo.toml
+++ b/crates/tinymist-query/Cargo.toml
@@ -57,6 +57,7 @@ once_cell.workspace = true
 insta.workspace = true
 serde.workspace = true
 serde_json.workspace = true
+typst-assets = { workspace = true, features = ["fonts"] }
 typst-ts-core = { workspace = true, default-features = false, features = [
     "flat-vector",
     "vector-bbox",
diff --git a/crates/tinymist-query/src/fixtures/completion/modify_string.typ b/crates/tinymist-query/src/fixtures/completion/modify_string.typ
new file mode 100644
index 00000000..26dc6e82
--- /dev/null
+++ b/crates/tinymist-query/src/fixtures/completion/modify_string.typ
@@ -0,0 +1,3 @@
+// contains: "New Computer Modern"
+
+#set text(font: ""/* range -2..0 */)
\ No newline at end of file
diff --git a/crates/tinymist-query/src/fixtures/completion/modify_string_2.typ b/crates/tinymist-query/src/fixtures/completion/modify_string_2.typ
new file mode 100644
index 00000000..d8dea383
--- /dev/null
+++ b/crates/tinymist-query/src/fixtures/completion/modify_string_2.typ
@@ -0,0 +1,3 @@
+// contains: "New Computer Modern"
+
+#set text(font: (""/* range -2..0 */))
\ No newline at end of file
diff --git a/crates/tinymist-query/src/fixtures/completion/snaps/test@modify_string.typ.snap b/crates/tinymist-query/src/fixtures/completion/snaps/test@modify_string.typ.snap
new file mode 100644
index 00000000..b6bcd762
--- /dev/null
+++ b/crates/tinymist-query/src/fixtures/completion/snaps/test@modify_string.typ.snap
@@ -0,0 +1,54 @@
+---
+source: crates/tinymist-query/src/completion.rs
+description: "Completion on \"\" (52..54)"
+expression: "JsonRepr::new_pure(results)"
+input_file: crates/tinymist-query/src/fixtures/completion/modify_string.typ
+---
+[
+ {
+  "isIncomplete": false,
+  "items": [
+   {
+    "kind": 21,
+    "label": "\"New Computer Modern\"",
+    "sortText": "003",
+    "textEdit": {
+     "newText": "\"New Computer Modern",
+     "range": {
+      "end": {
+       "character": 16,
+       "line": 2
+      },
+      "start": {
+       "character": 16,
+       "line": 2
+      }
+     }
+    }
+   }
+  ]
+ },
+ {
+  "isIncomplete": false,
+  "items": [
+   {
+    "kind": 21,
+    "label": "\"New Computer Modern\"",
+    "sortText": "003",
+    "textEdit": {
+     "newText": "New Computer Modern",
+     "range": {
+      "end": {
+       "character": 17,
+       "line": 2
+      },
+      "start": {
+       "character": 16,
+       "line": 2
+      }
+     }
+    }
+   }
+  ]
+ }
+]
diff --git a/crates/tinymist-query/src/fixtures/completion/snaps/test@modify_string_2.typ.snap b/crates/tinymist-query/src/fixtures/completion/snaps/test@modify_string_2.typ.snap
new file mode 100644
index 00000000..977f62a8
--- /dev/null
+++ b/crates/tinymist-query/src/fixtures/completion/snaps/test@modify_string_2.typ.snap
@@ -0,0 +1,54 @@
+---
+source: crates/tinymist-query/src/completion.rs
+description: "Completion on \"\" (53..55)"
+expression: "JsonRepr::new_pure(results)"
+input_file: crates/tinymist-query/src/fixtures/completion/modify_string_2.typ
+---
+[
+ {
+  "isIncomplete": false,
+  "items": [
+   {
+    "kind": 21,
+    "label": "\"New Computer Modern\"",
+    "sortText": "003",
+    "textEdit": {
+     "newText": "\"New Computer Modern",
+     "range": {
+      "end": {
+       "character": 17,
+       "line": 2
+      },
+      "start": {
+       "character": 17,
+       "line": 2
+      }
+     }
+    }
+   }
+  ]
+ },
+ {
+  "isIncomplete": false,
+  "items": [
+   {
+    "kind": 21,
+    "label": "\"New Computer Modern\"",
+    "sortText": "003",
+    "textEdit": {
+     "newText": "New Computer Modern",
+     "range": {
+      "end": {
+       "character": 18,
+       "line": 2
+      },
+      "start": {
+       "character": 18,
+       "line": 2
+      }
+     }
+    }
+   }
+  ]
+ }
+]
diff --git a/crates/tinymist-query/src/tests.rs b/crates/tinymist-query/src/tests.rs
index 98c3ed59..ac9bd11f 100644
--- a/crates/tinymist-query/src/tests.rs
+++ b/crates/tinymist-query/src/tests.rs
@@ -1,5 +1,6 @@
 use core::fmt;
 use std::{
+    borrow::Cow,
     collections::{HashMap, HashSet},
     ops::Range,
     path::{Path, PathBuf},
@@ -105,6 +106,8 @@ pub fn run_with_sources<T>(
     };
     let mut world = TypstSystemUniverse::new(CompileOpts {
         entry: EntryOpts::new_rooted(root.as_path().into(), None),
+        with_embedded_fonts: typst_assets::fonts().map(Cow::Borrowed).collect(),
+        no_system_fonts: true,
         ..Default::default()
     })
     .unwrap();
diff --git a/crates/tinymist-query/src/upstream/complete.rs b/crates/tinymist-query/src/upstream/complete.rs
index 27a822fc..27d56295 100644
--- a/crates/tinymist-query/src/upstream/complete.rs
+++ b/crates/tinymist-query/src/upstream/complete.rs
@@ -1190,9 +1190,21 @@ impl<'a, 'w> CompletionContext<'a, 'w> {
             }
         } else if at {
             apply = Some(eco_format!("at(\"{label}\")"));
-        } else if label.starts_with('"') && self.after.starts_with('"') {
-            if let Some(trimmed) = label.strip_suffix('"') {
-                apply = Some(trimmed.into());
+        } else {
+            let apply_label = &mut label.as_str();
+            if apply_label.ends_with('"') && self.after.starts_with('"') {
+                if let Some(trimmed) = apply_label.strip_suffix('"') {
+                    *apply_label = trimmed;
+                }
+            }
+            if apply_label.starts_with('"') && self.before.ends_with('"') {
+                if let Some(trimmed) = apply_label.strip_prefix('"') {
+                    *apply_label = trimmed;
+                }
+            }
+
+            if apply_label.len() != label.len() {
+                apply = Some((*apply_label).into());
             }
         }