diff --git a/HMCL/src/main/java/org/jackhuang/hmcl/game/LauncherHelper.java b/HMCL/src/main/java/org/jackhuang/hmcl/game/LauncherHelper.java
index 000a0e024..cf4fea775 100644
--- a/HMCL/src/main/java/org/jackhuang/hmcl/game/LauncherHelper.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/game/LauncherHelper.java
@@ -474,7 +474,7 @@ public final class LauncherHelper {
                 suggested = true;
                 switch (violatedSuggestedConstraint) {
                     case MODDED_JAVA_7:
-                        Controllers.dialog(i18n("launch.advice.java.modded_java_7"), i18n("message.error"), MessageType.ERROR, continueAction);
+                        Controllers.dialog(i18n("launch.advice.java.modded_java_7"), i18n("message.warning"), MessageType.WARNING, continueAction);
                         return null;
                     case MODDED_JAVA_8:
                         Controllers.dialog(i18n("launch.advice.newer_java"), i18n("message.warning"), MessageType.WARNING, continueAction);
diff --git a/HMCLCore/src/main/java/org/jackhuang/hmcl/game/JavaVersionConstraint.java b/HMCLCore/src/main/java/org/jackhuang/hmcl/game/JavaVersionConstraint.java
index e6226591e..33b7daa1b 100644
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/game/JavaVersionConstraint.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/game/JavaVersionConstraint.java
@@ -39,7 +39,7 @@ public enum JavaVersionConstraint {
     VANILLA_JAVA_8(JavaVersionConstraint.RULE_MANDATORY, versionRange("1.13", JavaVersionConstraint.MAX), versionRange("1.8", JavaVersionConstraint.MAX)),
     // Minecraft>=1.7.10+Forge accepts Java 8
     MODDED_JAVA_8(JavaVersionConstraint.RULE_SUGGESTED, versionRange("1.7.10", JavaVersionConstraint.MAX), versionRange("1.8", JavaVersionConstraint.MAX)),
-    // Minecraft<=1.7.2+Forge requires Java<=7
+    // Minecraft<=1.7.2+Forge requires Java<=7, But LegacyModFixer may fix that problem. So only suggest user using Java 7.
     MODDED_JAVA_7(JavaVersionConstraint.RULE_SUGGESTED, versionRange(JavaVersionConstraint.MIN, "1.7.2"), versionRange(JavaVersionConstraint.MIN, "1.7.999")) {
         @Override
         protected boolean appliesToVersionImpl(VersionNumber gameVersionNumber, @Nullable Version version,
@@ -49,7 +49,7 @@ public enum JavaVersionConstraint {
             return analyzer.has(LibraryAnalyzer.LibraryType.FORGE);
         }
     },
-    // LaunchWrapper<=1.12 will crash because of assuming the system class loader is an instance of URLClassLoader (Java 8)
+    // LaunchWrapper<=1.12 will crash because LaunchWrapper assumes the system class loader is an instance of URLClassLoader (Java 8)
     LAUNCH_WRAPPER(JavaVersionConstraint.RULE_MANDATORY, versionRange("0", "1.12.999"), versionRange("0", "1.8.999")) {
         @Override
         protected boolean appliesToVersionImpl(VersionNumber gameVersionNumber, @Nullable Version version,