diff --git a/linter-4.2/src/TypeScriptLinter.ts b/linter-4.2/src/TypeScriptLinter.ts
index d10412f791a16befd901d8174f248bad6da19077..b298cfd31c6bb30a6c7d99e0150fae1399eb3dc9 100644
--- a/linter-4.2/src/TypeScriptLinter.ts
+++ b/linter-4.2/src/TypeScriptLinter.ts
@@ -605,6 +605,7 @@ export class TypeScriptLinter {
       tsParamMods &&
       (this.tsUtils.hasModifier(tsParamMods, ts.SyntaxKind.PublicKeyword) ||
         this.tsUtils.hasModifier(tsParamMods, ts.SyntaxKind.ProtectedKeyword) ||
+        this.tsUtils.hasModifier(tsParamMods, ts.SyntaxKind.ReadonlyKeyword) ||
         this.tsUtils.hasModifier(tsParamMods, ts.SyntaxKind.PrivateKeyword))
     )
       this.incrementCounters(node, FaultID.ParameterProperties);
diff --git a/linter-4.2/test_rules/rule25.ts b/linter-4.2/test_rules/rule25.ts
index a485b8eb2e68e663428d96a9115e620de0c63f3d..897e74605829164af9dda02e34ce037cd6344f07 100644
--- a/linter-4.2/test_rules/rule25.ts
+++ b/linter-4.2/test_rules/rule25.ts
@@ -28,4 +28,10 @@ class Person2{
     getFullName(): string {
         return this.firstName + " " + this.lastName
     }
-}
\ No newline at end of file
+}
+
+class A {
+    constructor(readonly a: A) {
+      this.a = a;
+    }
+}
diff --git a/linter-4.2/test_rules/rule25.ts.autofix.json b/linter-4.2/test_rules/rule25.ts.autofix.json
index 4f15af43d3cd4d47c0002ae821eac58ee1385e8b..a8bfef4cc724ddbe3de376642327337059deabec 100644
--- a/linter-4.2/test_rules/rule25.ts.autofix.json
+++ b/linter-4.2/test_rules/rule25.ts.autofix.json
@@ -23,6 +23,14 @@
             "autofixable": false,
             "suggest": "",
             "rule": "Declaring fields in \"constructor\" is not supported (arkts-no-ctor-prop-decls)"
+        },
+        {
+            "line": 34,
+            "column": 17,
+            "problem": "ParameterProperties",
+            "autofixable": false,
+            "suggest": "",
+            "rule": "Declaring fields in \"constructor\" is not supported (arkts-no-ctor-prop-decls)"
         }
     ]
 }
\ No newline at end of file
diff --git a/linter-4.2/test_rules/rule25.ts.strict.json b/linter-4.2/test_rules/rule25.ts.strict.json
index ec5820fcb3a10c4279732c61211e0e0f21f011d1..e76c79a3ecefa72a2faeb29a0e763a1336e17827 100644
--- a/linter-4.2/test_rules/rule25.ts.strict.json
+++ b/linter-4.2/test_rules/rule25.ts.strict.json
@@ -20,6 +20,13 @@
             "problem": "ParameterProperties",
             "suggest": "",
             "rule": "Declaring fields in \"constructor\" is not supported (arkts-no-ctor-prop-decls)"
+        },
+        {
+            "line": 34,
+            "column": 17,
+            "problem": "ParameterProperties",
+            "suggest": "",
+            "rule": "Declaring fields in \"constructor\" is not supported (arkts-no-ctor-prop-decls)"
         }
     ]
 }
\ No newline at end of file
diff --git a/linter/src/TypeScriptLinter.ts b/linter/src/TypeScriptLinter.ts
index 9881df992619da5b97852efbec3123ab4e17b243..7219f7170a2ce975f141ec8216d39c1416d83bfe 100644
--- a/linter/src/TypeScriptLinter.ts
+++ b/linter/src/TypeScriptLinter.ts
@@ -498,6 +498,7 @@ export class TypeScriptLinter {
       tsParamMods &&
       (this.tsUtils.hasModifier(tsParamMods, ts.SyntaxKind.PublicKeyword) ||
         this.tsUtils.hasModifier(tsParamMods, ts.SyntaxKind.ProtectedKeyword) ||
+        this.tsUtils.hasModifier(tsParamMods, ts.SyntaxKind.ReadonlyKeyword) ||
         this.tsUtils.hasModifier(tsParamMods, ts.SyntaxKind.PrivateKeyword))
     ) {
       this.incrementCounters(node, FaultID.ParameterProperties);
diff --git a/linter/test_rules/rule25.ts b/linter/test_rules/rule25.ts
index a485b8eb2e68e663428d96a9115e620de0c63f3d..19985f8d6a507c57115b70629094d99c266236bb 100644
--- a/linter/test_rules/rule25.ts
+++ b/linter/test_rules/rule25.ts
@@ -28,4 +28,11 @@ class Person2{
     getFullName(): string {
         return this.firstName + " " + this.lastName
     }
-}
\ No newline at end of file
+}
+
+class A {
+    constructor(readonly a: A) {
+      this.a = a;
+    }
+}
+  
\ No newline at end of file
diff --git a/linter/test_rules/rule25.ts.autofix.json b/linter/test_rules/rule25.ts.autofix.json
index 4f15af43d3cd4d47c0002ae821eac58ee1385e8b..a8bfef4cc724ddbe3de376642327337059deabec 100644
--- a/linter/test_rules/rule25.ts.autofix.json
+++ b/linter/test_rules/rule25.ts.autofix.json
@@ -23,6 +23,14 @@
             "autofixable": false,
             "suggest": "",
             "rule": "Declaring fields in \"constructor\" is not supported (arkts-no-ctor-prop-decls)"
+        },
+        {
+            "line": 34,
+            "column": 17,
+            "problem": "ParameterProperties",
+            "autofixable": false,
+            "suggest": "",
+            "rule": "Declaring fields in \"constructor\" is not supported (arkts-no-ctor-prop-decls)"
         }
     ]
 }
\ No newline at end of file
diff --git a/linter/test_rules/rule25.ts.strict.json b/linter/test_rules/rule25.ts.strict.json
index ec5820fcb3a10c4279732c61211e0e0f21f011d1..e76c79a3ecefa72a2faeb29a0e763a1336e17827 100644
--- a/linter/test_rules/rule25.ts.strict.json
+++ b/linter/test_rules/rule25.ts.strict.json
@@ -20,6 +20,13 @@
             "problem": "ParameterProperties",
             "suggest": "",
             "rule": "Declaring fields in \"constructor\" is not supported (arkts-no-ctor-prop-decls)"
+        },
+        {
+            "line": 34,
+            "column": 17,
+            "problem": "ParameterProperties",
+            "suggest": "",
+            "rule": "Declaring fields in \"constructor\" is not supported (arkts-no-ctor-prop-decls)"
         }
     ]
 }
\ No newline at end of file